11 Utility Patents
#3,507 in Kawasaki
#77,097 in Japan
#364,306 in the World
Forward Citations = 69
Company Filing History:


Hitachi Engineering Co., Ltd.
where one patent can have more than one assignee
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#3,507 in Kawasaki
#77,097 in Japan
#364,306 in the World
Company Filing History:


Get your Inventor Badge Today