5 Utility Patents
#544 in Itami
#158,250 in Japan
#785,771 in the World
Forward Citations = 2
Company Filing History:
Sumitomo Electric Hardmetal Corp.
where one patent can have more than one assignee
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#544 in Itami
#158,250 in Japan
#785,771 in the World
Company Filing History:
Get your Inventor Badge Today