23 Utility and 16 Design Patents
#6,034 in Tokyo
#29,888 in Japan
#138,545 in the World
rank by utility patentsForward Citations = 354
Company Filing History:



4. 4 out of 665
Yoshino Kogyosho Co., Ltd.
5. 3 out of 25,510

where one patent can have more than one assignee
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