11 Utility Patents
#4,507 in Yokohama
#77,051 in Japan
#363,721 in the World
Forward Citations = 94
Company Filing History:
Nhk Spring Co., Ltd.


4. 1 out of 4,674

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#4,507 in Yokohama
#77,051 in Japan
#363,721 in the World
Company Filing History:



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