41 Utility and 1 Design Patents
#2,554 in Tokyo
#11,428 in Japan
#54,746 in the World
rank by utility patentsForward Citations = 213
Company Filing History:


Dainippon Ink and Chemicals, Incorporated
4. 3 out of 52,653

5. 3 out of 10
Oki Electric Cable Co., Ltd.
where one patent can have more than one assignee
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