19 Utility Patents
#80 in Kashiwa
#39,316 in Japan
#182,094 in the World
Forward Citations = 114
Company Filing History:


Hitachi Engineering Co., Ltd.
where one patent can have more than one assignee
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#80 in Kashiwa
#39,316 in Japan
#182,094 in the World
Company Filing History:


Get your Inventor Badge Today