14 Utility Patents
#70 in Katsuta
#58,199 in Japan
#271,038 in the World
Forward Citations = 209
Company Filing History:


Hitachi Engineering Co., Ltd.
where one patent can have more than one assignee
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#70 in Katsuta
#58,199 in Japan
#271,038 in the World
Company Filing History:


Get your Inventor Badge Today