56 Utility and 4 Design Patents
#85 in Saitama 343-0827
#6,072 in Japan
#30,663 in the World
rank by utility patentsForward Citations = 339
Company Filing History:
Mitsui Mining & Smelting Company, Ltd.


4. 2 out of 1,128

5. 2 out of 368

where one patent can have more than one assignee
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