97 Utility Patents
#1 in Funabashi
#1,669 in Japan
#10,197 in the World
Forward Citations = 373
Company Filing History:



Hitachi Chemical Company, Ltd.

Hitachi Powdered Metals Co., Ltd.
4. 4 out of 499
Thk Co., Ltd.
5. 3 out of 2,236

where one patent can have more than one assignee
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