Tokyo, Japan

Tsukishima Kankyo Engineering Ltd.


USPTO Granted Patents = 2

% Expired Patents = 100.0


Trademarks = 1

Forward Citations = 3

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5 inventors (with patents filed for the assignee):

goldMedal Minoru Morita (1 out of 30 patents)

silverMedal Yasuhiro Tateishi (1 out of 3 patents)

bronzeMedal Jun Hidari (1 out of 1 patent)

4.  Yoshinobu Sato (1 out of 13 patents)

5.  Mai Matsuda (1 out of 1 patent)

6.  Takio Adachi (2 patents)

7.  Yoichi Shimoi (4 patents)

8.  Junichi Goda (0 patent)


2 patents:

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USPTO Data Jan 1 1976 - Sep 22 2026

2 Patents

#4,354 in Tokyo

#11,115 in Japan

Tokyo, JP
Tokyo, Japan
Forward Citations = 3

5 inventors:

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