52 Utility Patents
#30 in Itami
#7,208 in Japan
#35,987 in the World
Forward Citations = 8
Company Filing History:
Sumitomo Electric Hardmetal Corp.

where one patent can have more than one assignee
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#30 in Itami
#7,208 in Japan
#35,987 in the World
Company Filing History:

Get your Inventor Badge Today