34 Utility Patents
#1 in Minou
#15,444 in Japan
#71,395 in the World
Forward Citations = 80
Company Filing History:
Nippon Steel & Sumitomo Metal Corporation
Sumitomo Pipe & Tube Co., Ltd.
Sumitomo Metal Industries, Inc.
4. 3 out of 3,384
Nippon Steel Corporation
5. 3 out of 1,083
Kabushiki Kaisha Yaskawa Denki
where one patent can have more than one assignee
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