75 Utility Patents
#3 in Hitachiota
#3,140 in Japan
#17,268 in the World
Forward Citations = 941
Company Filing History:

Hitachi Chemical Company, Ltd.
Other
4. 1 out of 991

5. 1 out of 149
Hitachi Powdered Metals Co., Ltd.
where one patent can have more than one assignee
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