132 Utility and 11 Design Patents
#73 in Yokohama
#737 in Japan
#5,278 in the World
rank by utility patentsForward Citations = 1,546
Company Filing History:






4. 10 out of 58,116

5. 10 out of 4,976
Oki Electric Industry Co., Ltd.
where one patent can have more than one assignee
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