Tokyo, Japan

Sosei Co., Ltd.


USPTO Granted Patents = 2

% Expired Patents = 50.0

Forward Citations = 0

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7 inventors (with patents filed for the assignee):

goldMedal Takashi Ono (1 out of 60 patents)

silverMedal Kazuo Shinya (1 out of 3 patents)

bronzeMedal Tetsuzo Tauchi (1 out of 2 patents)

4.  Toshiro Morohoshi (1 out of 1 patent)

5.  Haruo Seto (1 out of 20 patents)

6.  Kazuo Shin-Ya (1 out of 6 patents)

7.  Konstanty Wierzba (1 out of 8 patents)


2 patents:

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USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#4,361 in Tokyo

#11,124 in Japan

Tokyo, JP
Tokyo, Japan
Forward Citations = 0

7 inventors:

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