16 Utility Patents
#73 in Takasaki
#47,747 in Japan
#218,526 in the World
Forward Citations = 169
Company Filing History:

Yoshino Kogyosho Co., Ltd.

4. 2 out of 1,007
Mitsui Petrochemical Industries, Ltd.
5. 1 out of 830,757 patents
Other
where one patent can have more than one assignee
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