38 Utility and 3 Design Patents
#984 in Yokohama
#13,074 in Japan
#62,177 in the World
rank by utility patentsForward Citations = 334
Company Filing History:
Fuji Xerox Co., Ltd.
Sei Optifrontier Co., Ltd.
Sumitomo Electric Optifrontier Co., Ltd.
4. 6 out of 1,378

5. 2 out of 10,179

where one patent can have more than one assignee
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