13 Utility Patents
#3,321 in Osaka
#63,450 in Japan
#297,024 in the World
Forward Citations = 26
Company Filing History:
Nippon Steel & Sumitomo Metal Corporation
Sumitomo Pipe & Tube Co., Ltd.
Kabushiki Kaisha Yaskawa Denki
4. 3 out of 3
Nippon Steel & Sumikin Pipe Co., Ltd.
5. 2 out of 3
Nippon Steel & Sumikin Texeng, Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today