9 Utility Patents
#688 in Hitachi
#94,829 in Japan
#452,133 in the World
Forward Citations = 135
Company Filing History:

Hitachi Chemical Company, Ltd.
where one patent can have more than one assignee
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#688 in Hitachi
#94,829 in Japan
#452,133 in the World
Company Filing History:

Get your Inventor Badge Today