89 Utility and 3 Design Patents
#180 in Yokohama
#2,071 in Japan
#12,198 in the World
rank by utility patentsForward Citations = 993
Company Filing History:


Yamaichi Electric Co., Ltd.
4. 2 out of 3
Yamaichi Electric Manufacturing Co., Ltd.
5. 1 out of 2
Yamachi Electric Co., Ltd.
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