44 Utility Patents
#12 in Tama
#10,082 in Japan
#48,880 in the World
Forward Citations = 1,692
Company Filing History:

Hitachi Koki Co., Ltd.

where one patent can have more than one assignee
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#12 in Tama
#10,082 in Japan
#48,880 in the World
Company Filing History:


Get your Inventor Badge Today