9 Utility Patents
#475 in Hiroshima, 729-3431
#93,640 in Japan
#440,924 in the World
Forward Citations = 40
Company Filing History:
Mitsubishi Rayon Company, Limited
Nippon Light Metal Company, Ltd.

4. 2 out of 13,241

5. 2 out of 2,287
Mitsubishi Chemical Corporation
where one patent can have more than one assignee
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