30 Utility Patents
#3,962 in Tokyo
#19,030 in Japan
#87,059 in the World
Forward Citations = 128
Company Filing History:
Nippon Steel & Sumitomo Metal Corporation
Nippon Steel Corporation
Other
4. 1 out of 128
5. 1 out of 42
Nippon Steel & Sumikin Materials Co., Ltd.
where one patent can have more than one assignee
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