6 Utility Patents
#690 in Fujisawa
#138,817 in Japan
#688,746 in the World
Forward Citations = 217
Company Filing History:

Kawaken Fine Chemicals Co., Ltd.
where one patent can have more than one assignee
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#690 in Fujisawa
#138,817 in Japan
#688,746 in the World
Company Filing History:

Get your Inventor Badge Today