7 Utility Patents
#21,666 in Tokyo
#119,892 in Japan
#583,182 in the World
Forward Citations = 4
Company Filing History:
Nippon Steel Corporation
Dai Nippon Printing Co., Ltd.
Nippon Steel & Sumitomo Metal Corporation
4. 1 out of 17
Fine Sinter Co., Ltd
where one patent can have more than one assignee
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