126 Utility Patents
#1 in Tama
#839 in Japan
#5,804 in the World
Forward Citations = 1,926
Company Filing History:

Copyer Co., Ltd.
Copyer Kabushiki Kaisha
4. 3 out of 53
Canon Inc.
5. 2 out of 831,952 patents
Other
where one patent can have more than one assignee
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