15 Utility Patents
#223 in Hiroshima, 729-3431
#53,317 in Japan
#248,103 in the World
Forward Citations = 50
Company Filing History:

Mitsubishi Rayon Company, Limited
Other
4. 1 out of 562

5. 1 out of 2
Osaka Organic Chemical Ind., Ltd.
where one patent can have more than one assignee
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