77 Utility Patents
#23 in Hachioji
#2,954 in Japan
#16,424 in the World
Forward Citations = 1,223
Company Filing History:


Copyer Kabushiki Kaisha
4. 1 out of 328

5. 1 out of 546
Mitsubishi Petrochemical Company Limited
where one patent can have more than one assignee
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