6 Utility Patents
#87 in Tokai
#139,324 in Japan
#693,935 in the World
Forward Citations = 40
Company Filing History:
Toho Gas Co., Ltd.
Nippon Shokubai Co., Ltd.

where one patent can have more than one assignee
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#87 in Tokai
#139,324 in Japan
#693,935 in the World
Company Filing History:

Get your Inventor Badge Today