74 Utility Patents
#770 in Tokyo
#3,244 in Japan
#17,751 in the World
Forward Citations = 2,084
Company Filing History:



4. 3 out of 1,357
Mitsubishi Rayon Company, Limited
5. 1 out of 10
Mitsubishi Rayon Cleansui Company, Limited
where one patent can have more than one assignee
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