6 Utility Patents
#58 in Takahama
#139,312 in Japan
#693,895 in the World
Forward Citations = 14
Company Filing History:

Nhk Spring Co., Ltd.
where one patent can have more than one assignee
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#58 in Takahama
#139,312 in Japan
#693,895 in the World
Company Filing History:

Get your Inventor Badge Today