5 Utility Patents
#2,953 in Saitama 343-0827
#160,553 in Japan
#809,577 in the World
Forward Citations = 4
Company Filing History:
Mitsui Mining & Smelting Company, Ltd.

where one patent can have more than one assignee
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#2,953 in Saitama 343-0827
#160,553 in Japan
#809,577 in the World
Company Filing History:

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