145 Utility and 22 Design Patents
#128 in Tokyo
#577 in Japan
#4,344 in the World
rank by utility patentsForward Citations = 1,505
Company Filing History:


Yoshino Kogyosho Co., Ltd.
4. 13 out of 7,917

5. 13 out of 8,878

where one patent can have more than one assignee
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