13 Utility Patents
#321 in Sagamihara
#63,411 in Japan
#296,787 in the World
Forward Citations = 41
Company Filing History:
Sagami Chemical Research Center
Toyo Soda Manufacturing Co., Ltd.
Sumitomo Pharmaceuticals Company Limited
4. 2 out of 629
Dainippon Ink and Chemicals, Incorporated
5. 1 out of 42
Kawamura Institute of Chemical Research
where one patent can have more than one assignee
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