29 Utility Patents
#320 in Saitama 343-0827
#20,089 in Japan
#91,987 in the World
Forward Citations = 65
Company Filing History:
Yamada Manufacturing Co., Ltd.
where one patent can have more than one assignee
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#320 in Saitama 343-0827
#20,089 in Japan
#91,987 in the World
Company Filing History:
Get your Inventor Badge Today