5 Utility Patents
#27,390 in Tokyo
#156,616 in Japan
#773,283 in the World
Forward Citations = 61
Company Filing History:
Hitachi, Ltd.
Hitachi Engineering Co., Ltd.
where one patent can have more than one assignee
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#27,390 in Tokyo
#156,616 in Japan
#773,283 in the World
Company Filing History:
Get your Inventor Badge Today