28 Utility Patents
#175 in Kariya
#21,836 in Japan
#101,796 in the World
Forward Citations = 141
Company Filing History:


Nhk Spring Co., Ltd.
where one patent can have more than one assignee
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#175 in Kariya
#21,836 in Japan
#101,796 in the World
Company Filing History:


Get your Inventor Badge Today