4 Utility Patents
#33,947 in Tokyo
#193,473 in Japan
Forward Citations = 9
Company Filing History:
Nippon Steel Corporation
Nihon Parkerizing Co., Ltd.
Nippon Steel & Sumitomo Metal Corporation
4. 1 out of 44

5. 1 out of 5
Nippon Steel Coated Sheet Corporation
where one patent can have more than one assignee
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