6 Utility Patents
#2,498 in Saitama 343-0827
#139,734 in Japan
#697,966 in the World
Forward Citations = 31
Company Filing History:


Tohoku Special Steel Works Limited
where one patent can have more than one assignee
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#2,498 in Saitama 343-0827
#139,734 in Japan
#697,966 in the World
Company Filing History:


Get your Inventor Badge Today