24 Utility Patents
#93 in Hiratsuka
#28,079 in Japan
#130,155 in the World
Forward Citations = 33
Company Filing History:

Tokyo Ohka Kogyo Co., Ltd.

4. 3 out of 1,357
Mitsubishi Rayon Company, Limited
5. 1 out of 11,665
Fuji Xerox Co., Ltd.
where one patent can have more than one assignee
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