19 Utility Patents
#143 in Itami
#38,379 in Japan
#176,120 in the World
Forward Citations = 128
Company Filing History:

Sumitomo Electric Hardmetal Corp.
where one patent can have more than one assignee
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#143 in Itami
#38,379 in Japan
#176,120 in the World
Company Filing History:

Get your Inventor Badge Today