5 Utility Patents
#1,142 in Hitachi
#159,849 in Japan
#798,777 in the World
Forward Citations = 55
Company Filing History:
Hitachi, Ltd.
Hitachi Engineering Co., Ltd.
where one patent can have more than one assignee
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#1,142 in Hitachi
#159,849 in Japan
#798,777 in the World
Company Filing History:
Get your Inventor Badge Today