10 Utility and 1 Design Patents
#16,066 in Tokyo
#85,432 in Japan
#406,146 in the World
rank by utility patentsForward Citations = 74
Company Filing History:
Asahi Kogaku Kogyo Kabushiki Kaisha
Mitsubishi Power, Ltd.

4. 1 out of 2,524

5. 1 out of 123
Pentax Ricoh Imaging Company, Ltd.
where one patent can have more than one assignee
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