97 Utility Patents
#1 in Funabashi
#1,627 in Japan
#9,814 in the World
Forward Citations = 360
Company Filing History:


Hitachi Chemical Company, Ltd.

Hitachi Powdered Metals Co., Ltd.
4. 4 out of 496
Thk Co., Ltd.
5. 3 out of 2,217

where one patent can have more than one assignee
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