27 Utility and 11 Design Patents
#4,913 in Tokyo
#23,403 in Japan
#109,187 in the World
rank by utility patentsForward Citations = 552
Company Filing History:
Mitsubishi Rayon Company, Limited

Mitsubishi Chemical Cleansui Corporation
4. 4 out of 35,689

5. 3 out of 832,812 patents
Other
where one patent can have more than one assignee
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