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For the Inventor, By the Inventor

Tokyo, Japan

Du Pont Toray


USPTO Granted Patents = 3

Forward Citations = 21

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10 inventors (with patents filed for the assignee):

goldMedal Hideki Nakanishi (1 out of 7 patents)

silverMedal Kouichi Sawasaki (1 out of 5 patents)

bronzeMedal Masao Umezawa (1 out of 13 patents)

4.  Toshikazu Matsuda (1 out of 5 patents)

5.  Stephen Donald Moore (1 out of 4 patents)

6.  Tsutomu Watanabe (1 out of 2 patents)

7.  Mikio Ohno (1 out of 1 patent)

8.  Kouzou Imaeda (1 out of 1 patent)

9.  Takeji Furumai (1 out of 1 patent)

10.  Michihiro Kubo (1 out of 1 patent)


3 patents:

1. 5859171 - Polyimide copolymer, polyimide copolymer resin molded products and their (1999-01-12),
2. 5853640 - Process for making high tenacity aramid fibers (1998-12-29),
3. 5800920 - Durable polyurethane fiber and method for the manufacture thereof (1998-09-01),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#3,267 in Tokyo

#8,766 in Japan

...
Tokyo, Japan

Du Pont Toray

Forward Citations = 21

10 inventors:

goldMedal Hideki Nakanishi (1 out of 7 patents)

silverMedal Kouichi Sawasaki (1 out of 5 patents)

bronzeMedal Masao Umezawa (1 out of 13 patents)

4.  Toshikazu Matsuda (1 out of 5 patents)

5.  Stephen Donald Moore (1 out of 4 patents)

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