34 Utility Patents
#122 in Hitachi
#15,554 in Japan
#72,486 in the World
Forward Citations = 1,106
Company Filing History:
Hitachi Kizai Kogyo Co. Ltd.
where one patent can have more than one assignee
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#122 in Hitachi
#15,554 in Japan
#72,486 in the World
Company Filing History:
Get your Inventor Badge Today