16 Utility Patents
#9,249 in Tokyo
#48,339 in Japan
#223,489 in the World
Forward Citations = 95
Company Filing History:
Kanagawa Academy of Science and Technology

Kanagawa Institute of Industrial Science and Technology
4. 2 out of 586

5. 2 out of 1,357
Mitsubishi Rayon Company, Limited
where one patent can have more than one assignee
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