66 Utility and 1 Design Patents
#990 in Tokyo
#4,232 in Japan
#22,279 in the World
rank by utility patentsForward Citations = 593
Company Filing History:

Dainippon Ink and Chemicals, Incorporated

4. 4 out of 96
Nohmi Bosai Ltd.
5. 3 out of 3,584

where one patent can have more than one assignee
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