UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

(Rule 13d-101)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO

§ 240.13d-2(a)

(Amendment No. 7)1

Immersion Corporation

(Name of Issuer)

Common Stock, par value $0.001 per share

(Title of Class of Securities)

452521107

(CUSIP Number)

STEVEN WOLOSKY, ESQ.

OLSHAN GRUNDMAN FROME ROSENZWEIG & WOLOSKY LLP

Park Avenue Tower

65 East 55th Street

New York, New York 10022

(212) 451-2300

(Name, Address and Telephone Number of Person

Authorized to Receive Notices and Communications)

October 28, 2010

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box ¨.

Note:  Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits.  See § 240.13d-7 for other parties to whom copies are to be sent.

_______________

1              The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP NO. 452521107

1	NAME OF REPORTING PERSON RAMIUS VALUE AND OPPORTUNITY MASTER FUND LTD
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS WC
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION CAYMAN ISLANDS
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER 1,735,087
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER 1,735,087
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,735,087
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 6.2%
14	TYPE OF REPORTING PERSON CO

2

CUSIP NO. 452521107

1	NAME OF REPORTING PERSON RCG PB, LTD
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS WC
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION CAYMAN ISLANDS
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER 1,379,475
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER 1,379,475
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,379,475
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 4.9%
14	TYPE OF REPORTING PERSON OO

3

CUSIP NO. 452521107

1	NAME OF REPORTING PERSON RAMIUS NAVIGATION MASTER FUND LTD
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS WC
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION CAYMAN ISLANDS
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER 521,871
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER 521,871
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 521,871
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 1.9%
14	TYPE OF REPORTING PERSON CO

4

CUSIP NO. 452521107

1	NAME OF REPORTING PERSON RAMIUS ENTERPRISE MASTER FUND LTD
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS OO
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION CAYMAN ISLANDS
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER 521,871
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER 521,871
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 521,871
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 1.9%
14	TYPE OF REPORTING PERSON CO

5

CUSIP NO. 452521107

1	NAME OF REPORTING PERSON RAMIUS ADVISORS, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS OO
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER 1,901,346
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER 1,901,346
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,901,346
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 6.8%
14	TYPE OF REPORTING PERSON OO

6

CUSIP NO. 452521107

1	NAME OF REPORTING PERSON RAMIUS VALUE AND OPPORTUNITY ADVISORS LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS OO
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER 1,735,087
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER 1,735,087
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,735,087
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 6.2%
14	TYPE OF REPORTING PERSON OO

7

CUSIP NO. 452521107

1	NAME OF REPORTING PERSON RAMIUS LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS OO
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER 3,636,433
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER 3,636,433
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,636,433
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 12.9%
14	TYPE OF REPORTING PERSON OO

8

CUSIP NO. 452521107

1	NAME OF REPORTING PERSON COWEN GROUP, INC.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS OO
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER 3,636,433
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER 3,636,433
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,636,433
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 12.9%
14	TYPE OF REPORTING PERSON CO

9

CUSIP NO. 452521107

1	NAME OF REPORTING PERSON RCG HOLDINGS LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS OO
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER 3,636,433
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER 3,636,433
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,636,433
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 12.9%
14	TYPE OF REPORTING PERSON OO

10

CUSIP NO. 452521107

1	NAME OF REPORTING PERSON C4S & CO., L.L.C.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS OO
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER 3,636,433
	8	SHARED VOTING POWER - 0 -
	9	SOLE DISPOSITIVE POWER 3,636,433
	10	SHARED DISPOSITIVE POWER - 0 -
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,636,433
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 12.9%
14	TYPE OF REPORTING PERSON OO

11

CUSIP NO. 452521107

1	NAME OF REPORTING PERSON PETER A. COHEN
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS OO
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION USA
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 3,636,433
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 3,636,433
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,636,433
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 12.9%
14	TYPE OF REPORTING PERSON IN

12

CUSIP NO. 452521107

1	NAME OF REPORTING PERSON MORGAN B. STARK
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS OO
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION USA
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 3,636,433
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 3,636,433
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,636,433
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 12.9%
14	TYPE OF REPORTING PERSON IN

13

CUSIP NO. 452521107

1	NAME OF REPORTING PERSON JEFFREY M. SOLOMON
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS OO
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION USA
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 3,636,433
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 3,636,433
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,636,433
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 12.9%
14	TYPE OF REPORTING PERSON IN

14

CUSIP NO. 452521107

1	NAME OF REPORTING PERSON THOMAS W. STRAUSS
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) o   (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS OO
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION USA
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 3,636,433
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 3,636,433
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,636,433
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 12.9%
14	TYPE OF REPORTING PERSON IN

15

CUSIP NO. 452521107

The following constitutes Amendment No. 7 (“Amendment No. 7”) to the Schedule 13D filed by the undersigned.  This Amendment No. 7 amends the Schedule 13D as specifically set forth.

Item 2. Identity and Background.

Item 2 is hereby amended to add the following:

Since the filing of the Amendment No. 6, RCG Starboard Advisors, LLC has changed its name to Ramius Value and Opportunity Advisors LLC (“Value and Opportunity Advisors”).

Item 3. Source and Amount of Funds or Other Consideration.

Item 3 is hereby amended and restated to read as follows:

The Shares purchased by Value and Opportunity Master Fund, Navigation Master Fund, and RCG PB were purchased with working capital (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business) in open market purchases, except as otherwise noted, as set forth in Schedule A, which is incorporated by reference herein.  The aggregate purchase cost of the 3,636,433 Shares beneficially owned in the aggregate by Value and Opportunity Master Fund, Navigation Master Fund and RCG PB is approximately $14,608,480, excluding brokerage commissions.

Item 5. Interest in Securities of the Issuer.

Item 5 is hereby amended and restated to read as follows:

The aggregate percentage of Shares reported owned by each person named herein is based upon 28,133,510 Shares outstanding, as of July 30, 2010, which is the total number of Shares outstanding as reported in the Issuer’s Quarterly Report on Form 10-Q, filed with the Securities and Exchange Commission on August 6, 2010.

A. Value and Opportunity Master Fund

(a) As of close of the close of business on October 29, 2010, Value and Opportunity Master Fund beneficially owned 1,735,087 Shares.

Percentage: Approximately 6.2%.

(b) 1. Sole power to vote or direct vote: 1,735,087

2. Shared power to vote or direct vote: 0

3. Sole power to dispose or direct the disposition: 1,735,087

4. Shared power to dispose or direct the disposition: 0

(c) The transactions in the Shares by Value and Opportunity Master Fund during the past 60 days are set forth in Schedule A and are incorporated herein by reference.

B. Navigation Master Fund

(a) As of the close of business on October 29, 2010, Navigation Master Fund beneficially owned 521,871 Shares.

Percentage: Approximately 1.9%.

16

CUSIP NO. 452521107

(b) 1. Sole power to vote or direct vote: 521,871

2. Shared power to vote or direct vote: 0

3. Sole power to dispose or direct the disposition: 521,871

4. Shared power to dispose or direct the disposition: 0

(c) The transactions in the Shares by Navigation Master Fund during the past 60 days are set forth in Schedule A and are incorporated herein by reference.

C. RCG PB

(a) As of the close of business on October 29, 2010, RCG PB beneficially owned 1,379,475 Shares.

Percentage: Approximately 4.9%.

(b) 1. Sole power to vote or direct vote: 1,379,475

2. Shared power to vote or direct vote: 0

3. Sole power to dispose or direct the disposition: 1,379,475

4. Shared power to dispose or direct the disposition: 0

(c) The transactions in the Shares by RCG PB during the past 60 days are set forth in Schedule A and are incorporated herein by reference.

D. Enterprise Master Fund

(a) Enterprise Master Fund, as the sole shareholder of Navigation Master Fund, may be deemed the beneficial owner of the 521,871 Shares owned by Navigation Master Fund.

Percentage: Approximately 1.9%.

(b) 1. Sole power to vote or direct vote: 521,871

2. Shared power to vote or direct vote: 0

3. Sole power to dispose or direct the disposition: 521,871

4. Shared power to dispose or direct the disposition: 0

(c) The transactions in the Shares by Enterprise Master Fund during the past 60 days are set forth in Schedule A and are incorporated herein by reference.  The transactions in the Shares on behalf of Navigation Master Fund during the past 60 days are set forth on Schedule A and are incorporated herein by reference.

E. Ramius Advisors

(a) Ramius Advisors, as the investment advisor of each of Navigation Master Fund and RCG PB, may be deemed the beneficial owner of the (i) 521,871 Shares owned by Navigation Master Fund and (ii) 1,379,475 Shares owned by RCG PB.

Percentage: Approximately 6.8%.

(b) 1. Sole power to vote or direct vote: 1,901,346

2. Shared power to vote or direct vote: 0

3. Sole power to dispose or direct the disposition: 1,901,346

4. Shared power to dispose or direct the disposition: 0

17

CUSIP NO. 452521107

(c) Ramius Advisors has not entered into any transactions in the Shares during the past 60 days.  The transactions in the Shares by Navigation Master Fund and RCG PB during the past 60 days are set forth in Schedule A and are incorporated herein by reference.

F. Value and Opportunity Advisors

(a) Value and Opportunity Advisors, as the investment manager of Value and Opportunity Master Fund may be deemed the beneficial owner of the 1,735,087 Shares owned by Value and Opportunity Master Fund.

Percentage: Approximately 6.2%.

(b) 1. Sole power to vote or direct vote: 1,735,087

2. Shared power to vote or direct vote: 0

3. Sole power to dispose or direct the disposition: 1,735,087

4. Shared power to dispose or direct the disposition: 0

(c) Value and Opportunity Advisors has not entered into any transactions in the Shares during the past 60 days.  The transactions in the Shares during the past 60 days on behalf of Value and Opportunity Master Fund are set forth on Schedule A and incorporated herein by reference.

G. Ramius

(a) Ramius, as the sole member of each of Value and Opportunity Advisors and Ramius Advisors, may be deemed the beneficial owner of the (i) 1,735,087 Shares owned by Value and Opportunity Master Fund, (ii) 521,871 Shares owned by Navigation Master Fund and (iii) 1,379,475 Shares owned by RCG PB.

Percentage: Approximately 12.9%.

(b) 1. Sole power to vote or direct vote: 3,636,433

2. Shared power to vote or direct vote: 0

3. Sole power to dispose or direct the disposition: 3,636,433

4. Shared power to dispose or direct the disposition: 0

(c) Ramius has not entered into any transactions in the Shares during the past 60 days.  The transactions in the Shares during the past 60 days on behalf of Value and Opportunity Master Fund, Navigation Master Fund and RCG PB are set forth on Schedule A and incorporated herein by reference.

H. Cowen

(a) Cowen, as the sole member of Ramius, may be deemed the beneficial owner of the (i) 1,735,087 Shares owned by Value and Opportunity Master Fund, (ii) 521,871 Shares owned by Navigation Master Fund and (iii) 1,379,475 Shares owned by RCG PB.

Percentage: Approximately 12.9%.

18

CUSIP NO. 452521107

(b) 1. Sole power to vote or direct vote: 3,636,433

2. Shared power to vote or direct vote: 0

3. Sole power to dispose or direct the disposition: 3,636,433

4. Shared power to dispose or direct the disposition: 0

(c) Cowen has not entered into any transactions in the Shares during the past 60 days.  The transactions in the Shares during the past 60 days on behalf of Value and Opportunity Master Fund, Navigation Master Fund and RCG PB are set forth on Schedule A and incorporated herein by reference.

I. RCG Holdings

(a) RCG Holdings, as a significant shareholder of Cowen, may be deemed the beneficial owner of the (i) 1,735,087 Shares owned by Value and Opportunity Master Fund, (ii) 521,871 Shares owned by Navigation Master Fund and (iii) 1,379,475 Shares owned by RCG PB.

Percentage: Approximately 12.9%.

(b) 1. Sole power to vote or direct vote: 3,636,433

2. Shared power to vote or direct vote: 0

3. Sole power to dispose or direct the disposition: 3,636,433

4. Shared power to dispose or direct the disposition: 0

(c) RCG Holdings has not entered into any transactions in the Shares during the past 60 days.  The transactions in the Shares during the past 60 days on behalf of Value and Opportunity Master Fund, Navigation Master Fund and RCG PB are set forth on Schedule A and incorporated herein by reference.

J. C4S

(a) C4S, as the managing member of RCG Holdings, may be deemed the beneficial owner of the (i) 1,735,087 Shares owned by Value and Opportunity Master Fund, (ii) 521,871 Shares owned by Navigation Master Fund and (iii) 1,379,475 Shares owned by RCG PB.

Percentage: Approximately 12.9%.

(b) 1. Sole power to vote or direct vote: 3,636,433

2. Shared power to vote or direct vote: 0

3. Sole power to dispose or direct the disposition: 3,636,433

4. Shared power to dispose or direct the disposition: 0

(c) C4S has not entered into any transactions in the Shares during the past 60 days.  The transactions in the Shares during the past 60 days on behalf of Value and Opportunity Master Fund, Navigation Master Fund and RCG PB are set forth on Schedule A and incorporated herein by reference.

K. Messrs. Cohen, Stark, Strauss and Solomon

(a) Each of Messrs. Cohen, Stark, Strauss and Solomon, as the managing members of C4S, may be deemed the beneficial owner of the (i) 1,735,087 Shares owned by Value and Opportunity Master Fund, (ii) 521,871 Shares owned by Navigation Master Fund and (iii) 1,379,475 Shares owned by RCG PB.

Percentage: Approximately 12.9%.

19

CUSIP NO. 452521107

(b) 1. Sole power to vote or direct vote: 0

2. Shared power to vote or direct vote: 3,636,433

3. Sole power to dispose or direct the disposition: 0

4. Shared power to dispose or direct the disposition: 3,636,433

(c) None of Messrs. Cohen, Stark, Strauss or Solomon has entered into any transactions in the Shares during the past 60 days.  The transactions in the Shares during the past 60 days on behalf of Value and Opportunity Master Fund, Navigation Master Fund and RCG PB are set forth on Schedule A and incorporated herein by reference.

(d) No person other than the Reporting Persons is known to have the right to receive, or the power to direct the receipt of dividends from, or proceeds from the sale of, the Shares.

(e) Not applicable.

20

CUSIP NO. 452521107

SIGNATURES

After reasonable inquiry and to the best of his knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

Dated:  November 1, 2010

RAMIUS VALUE AND OPPORTUNITY MASTER FUND LTD By: Ramius Value and Opportunity Advisors LLC,        its investment manager   RAMIUS NAVIGATION MASTER FUND LTD By: Ramius Advisors, LLC,        its investment advisor   RAMIUS ENTERPRISE MASTER FUND LTD By: Ramius Advisors, LLC,        its investment advisor   RAMIUS VALUE AND OPPORTUNITY ADVISORS LLC By: Ramius LLC,        its sole member   RAMIUS ADVISORS, LLC By: Ramius LLC,        its sole member   RAMIUS LLC By: Cowen Group, Inc.,         its sole member   RCG PB, LTD By: Ramius Advisors, LLC,        its investment advisor   COWEN GROUP, INC.   RCG HOLDINGS LLC By: C4S & Co., L.L.C.,        its managing member   C4S & CO., L.L.C.  

By:	/s/ Owen S. Littman
	Name:	Owen S. Littman
	Title:	Authorized Signatory

/s/ Owen S. Littman

OWEN S. LITTMAN

As attorney-in-fact for Jeffrey M. Solomon,

Peter A. Cohen, Morgan B. Stark and

Thomas W. Strauss

21

CUSIP NO. 452521107

SCHEDULE A

Transactions in the Shares During the Past 60 Days

Shares of Common Stock (Sold)	Price Per Share($)	Date of Sale
RAMIUS VALUE AND OPPORTUNITY MASTER FUND LTD
(48)	6.4000	10/19/10
(7,109)	6.1667	10/19/10
(71,571)	6.2500	10/20/10
(5,511)	6.2043	10/20/10
(394)	6.3097	10/22/10
(59,642)	6.0100	10/28/10
(59,642)	6.0100	10/28/10
(4,594)	6.1998	10/29/10
RAMIUS NAVIGATION MASTER FUND LTD
(14)	6.4000	10/19/10
(2,138)	6.1667	10/19/10
(21,527)	6.2500	10/20/10
(1,658)	6.2043	10/20/10
(119)	6.3097	10/22/10
(17,939)	6.0100	10/28/10
(17,939)	6.0100	10/28/10
(1,382)	6.1998	10/29/10
RCG PB, LTD
(38)	6.4000	10/19/10
(5,653)	6.1667	10/19/10
(56,902)	6.2500	10/20/10
(4,381)	6.2043	10/20/10
(313)	6.3097	10/22/10
(47,419)	6.0100	10/28/10
(47,419)	6.0100	10/28/10
(3,652)	6.1998	10/29/10