11 Utility Patents
#14,591 in Tokyo
#77,008 in Japan
#363,407 in the World
Forward Citations = 12
Company Filing History:
Nippon Steel & Sumitomo Metal Corporation
Nippon Steel & Sumikin Materials Co., Ltd.
Nippon Steel Corporation
4. 2 out of 119
Nippon Steel Chemical & Material Co., Ltd.
5. 1 out of 19
Nippon Steel Materials Co., Ltd.
where one patent can have more than one assignee
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