126 Utility Patents
#1 in Tama
#815 in Japan
#5,581 in the World
Forward Citations = 1,916
Company Filing History:



Copyer Co., Ltd.

Copyer Kabushiki Kaisha
4. 3 out of 17
Canon Inc.
5. 2 out of 830,757 patents
Other
where one patent can have more than one assignee
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