11 Utility Patents
#887 in Chiba
#77,008 in Japan
#363,407 in the World
Forward Citations = 53
Company Filing History:
Dowa Mining Co., Ltd.
Dowa Engineering Co., Ltd.
where one patent can have more than one assignee
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#887 in Chiba
#77,008 in Japan
#363,407 in the World
Company Filing History:
Get your Inventor Badge Today