143 Utility and 4 Design Patents
#135 in Tokyo
#595 in Japan
#4,429 in the World
rank by utility patentsForward Citations = 324
Company Filing History:

Fuji Xerox Co., Ltd.

4. 14 out of 1,112
Hitachi Maxell, Limited
5. 11 out of 2,046

where one patent can have more than one assignee
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