32 Utility Patents
#1,958 in Kanagawa
#17,748 in Japan
#83,231 in the World
Forward Citations = 29
Company Filing History:

Tokyo Ohka Kogyo Co., Ltd.
Fuji Xerox Co., Ltd.
4. 2 out of 21,592

5. 1 out of 1,708

where one patent can have more than one assignee
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