5 Utility Patents
#8,327 in Yokohama
#160,552 in Japan
#809,228 in the World
Forward Citations = 91
Company Filing History:


Sumiden High Precision Co., Ltd.
where one patent can have more than one assignee
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#8,327 in Yokohama
#160,552 in Japan
#809,228 in the World
Company Filing History:


Get your Inventor Badge Today