Canon

http://www.canon.com/about/group/list02.html
Canon Electronics Inc.
Canon Finetech Inc.
Nisca Corporation
Canon Components, Inc.
Ohara Inc.
Canon Precision Inc.
Canon Optron, Inc.
Canon i-tech, Inc.
Canon Semiconductor Equipment Inc.
Canon Imaging System Technologies Inc.
SED Inc.

http://www.canon.com/about/group/list03.html
不詳列

http://www.canon.com/about/group/list04.html
不詳列

http://www.canon.com/about/group/list05.html
不詳列

http://www.canon.com/about/group/list06.html
不詳列