9 Utility Patents
#1,091 in Chiba
#95,609 in Japan
#458,611 in the World
Forward Citations = 123
Company Filing History:
Hitachi Powdered Metals Co., Ltd.

Other
4. 1 out of 106
Mitsubishi Steel Mfg. Co., Ltd.
5. 1 out of 10,092

where one patent can have more than one assignee
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