11 Utility Patents
#131 in Ebina
#76,844 in Japan
#362,320 in the World
Forward Citations = 83
Company Filing History:

Hitachi Seiko, Ltd.
Tokan Kogyo Co., Ltd.
4. 1 out of 1,486

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#131 in Ebina
#76,844 in Japan
#362,320 in the World
Company Filing History:


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