6 Utility Patents
#281 in Chigasaki
#139,646 in Japan
#696,408 in the World
Forward Citations = 1
Company Filing History:

Nippon Steel & Sumitomo Metal Corporation
where one patent can have more than one assignee
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#281 in Chigasaki
#139,646 in Japan
#696,408 in the World
Company Filing History:

Get your Inventor Badge Today