26 Utility and 1 Design Patents
#5,154 in Tokyo
#24,813 in Japan
#115,172 in the World
rank by utility patentsForward Citations = 410
Company Filing History:


Mitsubishi Rayon Company, Limited
4. 2 out of 475
Denki Kagaku Kogyo Kabushiki Kaisha
5. 2 out of 2
Fujikoki America, Inc.
where one patent can have more than one assignee
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