23 Utility Patents
#225 in Ibaraki
#29,156 in Japan
#133,897 in the World
Forward Citations = 76
Company Filing History:
Nippon Steel Corporation
Maruha Corporation
Other
4. 2 out of 10

5. 2 out of 165
Nippon Mining & Metals Co., Ltd.
where one patent can have more than one assignee
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