17 Utility Patents
#355 in Hitachi
#45,276 in Japan
#210,204 in the World
Forward Citations = 20
Company Filing History:
Hitachi Chemical Company, Ltd.


4. 2 out of 27
Hitachi Chemical Dupont Microsystems, L.l.c.
5. 1 out of 1,521

where one patent can have more than one assignee
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