8 Utility Patents
#979 in Hyogo
#105,167 in Japan
#499,816 in the World
Forward Citations = 52
Company Filing History:
Sumitomo Metal Industries, Inc.

where one patent can have more than one assignee
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#979 in Hyogo
#105,167 in Japan
#499,816 in the World
Company Filing History:

Get your Inventor Badge Today