7 Utility Patents
#458 in Yamanashi 400-0862
#121,731 in Japan
#598,480 in the World
Forward Citations = 49
Company Filing History:
Mitsui Minings & Melting Co., Ltd.

where one patent can have more than one assignee
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#458 in Yamanashi 400-0862
#121,731 in Japan
#598,480 in the World
Company Filing History:

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