26 Utility Patents
#100 in Itami
#24,825 in Japan
#115,291 in the World
Forward Citations = 18
Company Filing History:

Sumitomo Electric Hardmetal Corp.
where one patent can have more than one assignee
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#100 in Itami
#24,825 in Japan
#115,291 in the World
Company Filing History:

Get your Inventor Badge Today