57 Utility Patents
#6 in Kudamatsu
#5,844 in Japan
#29,641 in the World
Forward Citations = 973
Company Filing History:


Hitachi Koki Co., Ltd.
where one patent can have more than one assignee
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#6 in Kudamatsu
#5,844 in Japan
#29,641 in the World
Company Filing History:


Get your Inventor Badge Today