22 Utility Patents
#106 in Hiroshima, 729-3431
#31,893 in Japan
#147,832 in the World
Forward Citations = 59
Company Filing History:
Mitsubishi Rayon Company, Limited
Mitsubishi Chemical Corporation

4. 2 out of 411

5. 2 out of 17
Mitsubishi Rayon Engineering Co., Ltd.
where one patent can have more than one assignee
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