14 Utility and 1 Design Patents
#11,198 in Tokyo
#58,129 in Japan
#270,606 in the World
rank by utility patentsForward Citations = 12
Company Filing History:
Nippon Steel & Sumitomo Metal Corporation
Nippon Steel Corporation
Fine Sinter Co., Ltd
4. 2 out of 118

5. 1 out of 65

where one patent can have more than one assignee
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