50 Utility Patents
#409 in Osaka
#7,617 in Japan
#38,008 in the World
Forward Citations = 472
Company Filing History:
Other
Daiken Chemical Co., Ltd.

4. 2 out of 2
Yoshikazu Nakayama
5. 2 out of 11,665
Fuji Xerox Co., Ltd.
where one patent can have more than one assignee
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