16 Utility and 2 Design Patents
#68 in Fuchu
#48,364 in Japan
#223,680 in the World
rank by utility patentsForward Citations = 248
Company Filing History:
Other


4. 2 out of 1,317

5. 2 out of 1,640
Hitachi Chemical Company, Ltd.
where one patent can have more than one assignee
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