30 Utility Patents
#159 in Hitachi
#19,030 in Japan
#87,059 in the World
Forward Citations = 229
Company Filing History:
Hitachi, Ltd.
Hitachi Koki Co., Ltd.
where one patent can have more than one assignee
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#159 in Hitachi
#19,030 in Japan
#87,059 in the World
Company Filing History:
Get your Inventor Badge Today