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For the Inventor, By the Inventor

Tokyo, Japan

Kureha Kagaku Kagyo K.k.


USPTO Granted Patents = 2

Forward Citations = 26

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10 inventors (with patents filed for the assignee):

goldMedal Zenya Shiiki (2 out of 72 patents)

silverMedal Shinji Yamamoto (1 out of 195 patents)

bronzeMedal Takashi Kaneko (1 out of 65 patents)

4.  Yukichika Kawakami (1 out of 39 patents)

5.  Masahito Tada (1 out of 27 patents)

6.  Toshiya Mizuno (1 out of 51 patents)

7.  Yoshikatsu Satake (1 out of 52 patents)

8.  Ken Kashiwadate (1 out of 22 patents)

9.  Hiroyuki Endo (1 out of 15 patents)

10.  Takayuki Katto (1 out of 64 patents)


2 patents:

1. 5830991 - Preparation process and purification process of dimeric cyclic ester of (1998-11-03),
2. 4960806 - Stretched poly(arylene thioether) block copolymer films and production (1990-10-02),
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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#4,058 in Tokyo

#10,966 in Japan

...
Tokyo, Japan

Kureha Kagaku Kagyo K.k.

Forward Citations = 26

10 inventors:

goldMedal Zenya Shiiki (2 out of 72 patents)

silverMedal Shinji Yamamoto (1 out of 195 patents)

bronzeMedal Takashi Kaneko (1 out of 65 patents)

4.  Yukichika Kawakami (1 out of 39 patents)

5.  Masahito Tada (1 out of 27 patents)

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