9 Utility Patents
#1,653 in Saitama 343-0827
#95,210 in Japan
#455,427 in the World
Forward Citations = 215
Company Filing History:

Showa Manufacturing Co., Ltd.
where one patent can have more than one assignee
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#1,653 in Saitama 343-0827
#95,210 in Japan
#455,427 in the World
Company Filing History:

Get your Inventor Badge Today