16 Utility Patents
#3,125 in Yokohama
#49,065 in Japan
#227,887 in the World
Forward Citations = 102
Company Filing History:
Mitsui Kinzoku Act Corporation
Mitsui Mining & Smelting Company, Ltd.

4. 1 out of 242
Ohi Seisakusho Co., Ltd.
where one patent can have more than one assignee
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