8 Utility Patents
#1,890 in Saitama 343-0827
#107,350 in Japan
#520,941 in the World
Forward Citations = 25
Company Filing History:
Mitsui Minings & Melting Co., Ltd.


where one patent can have more than one assignee
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#1,890 in Saitama 343-0827
#107,350 in Japan
#520,941 in the World
Company Filing History:


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