6 Utility Patents
#287 in Amagasaki
#137,308 in Japan
#673,011 in the World
Forward Citations = 100
Company Filing History:
Sumitomo Metal Industries, Inc.

where one patent can have more than one assignee
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#287 in Amagasaki
#137,308 in Japan
#673,011 in the World
Company Filing History:

Get your Inventor Badge Today