6 Utility Patents
#77 in Fussa
#139,312 in Japan
#693,896 in the World
Forward Citations = 15
Company Filing History:

Nippon Steel & Sumitomo Metal Corporation
Fine Sinter Co., Ltd
4. 2 out of 308
Kayaba Industry Company, Ltd.
5. 1 out of 3,518
Nippon Steel Corporation
where one patent can have more than one assignee
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