7 Utility and 2 Design Patents
#22,263 in Tokyo
#121,668 in Japan
#597,499 in the World
rank by utility patentsForward Citations = 32
Company Filing History:

Other

4. 2 out of 665
Yoshino Kogyosho Co., Ltd.
5. 1 out of 614

where one patent can have more than one assignee
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