Net Income Attributable to Canon Inc. Stockholders per Share

12 Months Ended

Dec. 31, 2011

Net Income Attributable to Canon Inc. Stockholders per Share

16. Net Income Attributable to Canon Inc. Stockholders per Share

A reconciliation of the numerators and denominators of basic and diluted net income attributable to Canon Inc. stockholders per share computations is as follows:

	Years ended December 31
	2011		2010		2009
	(Millions of yen)
Net income attributable to Canon Inc.	¥	248,630	¥	246,603	¥	131,647
	(Number of shares)
Average common shares outstanding		1,215,832,419		1,234,817,434		1,234,481,836
Effect of dilutive securities:
Stock options		60,552		50,603		—
Diluted common shares outstanding		1,215,892,971		1,234,868,037		1,234,481,836
	(Yen)
Net income attributable to Canon Inc. stockholders per share:
Basic	¥	204.49	¥	199.71	¥	106.64
Diluted		204.48		199.70		106.64

The computation of diluted net income attributable to Canon Inc. stockholders per share for the years ended December 31, 2011 and 2010 excludes certain outstanding stock options because the effect would be anti-dilutive. The computation of diluted net income attributable to Canon Inc. stockholders per share for the year ended December 31, 2009 excludes outstanding stock options because the effect would be anti-dilutive.