69 Utility Patents
#4 in Hiroshima, 729-3431
#3,824 in Japan
#20,439 in the World
Forward Citations = 789
Company Filing History:
Mitsubishi Rayon Company, Limited

Research Association for Synthetic Fiber Technology
4. 1 out of 1
Research Association for Synthetic Fiber Tech.
where one patent can have more than one assignee
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