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For the Inventor, By the Inventor

Tokyo, Japan

Kansei Company


USPTO Granted Patents = 3



Forward Citations = 7

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9 inventors (with patents filed for the assignee):

goldMedal Kenji Hasegawa (3 out of 43 patents)

silverMedal Motonobu Ito (3 out of 3 patents)

bronzeMedal Hiroshi Komatsu (2 out of 5 patents)

4.  Kazuhiro Yamanouchi (2 out of 2 patents)

5.  Iwao Ito (2 out of 2 patents)

6.  Tamotsu Kikuchi (1 out of 1 patent)

7.  Takato Aoyama (1 out of 1 patent)

8.  Takaaki Odate (1 out of 1 patent)

9.  Osamu Igawa (1 out of 1 patent)

10.  Osamu Igawa (0 patent)

11.  Hiroshi Komatsu (0 patent)


3 patents:

1. 10415201 - Opening/closing device (2019-09-17),
2. 8695628 - Opening/closing device (2014-04-15),
3. 8590560 - Opening/closing device (2013-11-26),
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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#3,263 in Tokyo

#8,771 in Japan

...
Tokyo, Japan

Kansei Company

Forward Citations = 7

9 inventors:

goldMedal Kenji Hasegawa (3 out of 43 patents)

silverMedal Motonobu Ito (3 out of 3 patents)

bronzeMedal Hiroshi Komatsu (2 out of 5 patents)

4.  Kazuhiro Yamanouchi (2 out of 2 patents)

5.  Iwao Ito (2 out of 2 patents)

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