37 Utility and 2 Design Patents
#1,045 in Yokohama
#13,838 in Japan
#65,693 in the World
rank by utility patentsForward Citations = 484
Company Filing History:
Fuji Xerox Co., Ltd.

Sei Optifrontier Co., Ltd.
4. 3 out of 10,240

5. 2 out of 440

where one patent can have more than one assignee
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