3 Utility Patents
#4,402 in Saitama 343-0827
#236,990 in Japan
Forward Citations = 230
Company Filing History:

Nakagawa Sangyo Co., Ltd.
where one patent can have more than one assignee
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#4,402 in Saitama 343-0827
#236,990 in Japan
Company Filing History:

Get your Inventor Badge Today