80 Utility Patents
#155 in Osaka
#2,710 in Japan
#15,221 in the World
Forward Citations = 1,026
Company Filing History:

Ishihara Sangyo Kaisha, Ltd.

4. 3 out of 198
Yoshitomi Pharmaceutical Industries, Ltd.
5. 1 out of 73
Mitsubishi Pharma Corporation
where one patent can have more than one assignee
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