29 Utility Patents
#7 in Kita-adachi-gun
#20,810 in Japan
#97,070 in the World
Forward Citations = 86
Company Filing History:

Dainippon Ink and Chemicals, Incorporated
Dic Corporation (tokyo)
4. 1 out of 564

5. 1 out of 42
Kawamura Institute of Chemical Research
where one patent can have more than one assignee
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