21 Utility Patents
#14 in Kita-adachi-gun
#34,089 in Japan
#157,531 in the World
Forward Citations = 83
Company Filing History:
Dainippon Ink and Chemicals, Incorporated

Kawamura Institute of Chemical Research
4. 1 out of 832,492 patents
Other
5. 1 out of 16
Dic Corporation (tokyo)
where one patent can have more than one assignee
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