11 Utility Patents
#14,598 in Tokyo
#77,051 in Japan
#363,721 in the World
Forward Citations = 6
Company Filing History:
Nippon Steel Corporation
Nippon Steel & Sumitomo Metal Corporation
Nippon Steel & Sumikin Coated Sheet Corporation
4. 2 out of 128
Nihon Parkerizing Co., Ltd.
5. 1 out of 44

where one patent can have more than one assignee
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