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For the Inventor, By the Inventor

Tokyo, Japan

Tnk Corporation Ltd.


USPTO Granted Patents = 2


Forward Citations = 1

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2 inventors (with patents filed for the assignee):

goldMedal Nobuyuki Tanaka (2 out of 40 patents)

silverMedal Kazuo Mishina (1 out of 2 patents)

bronzeMedal Kenichi Tanaka (68 patents)


2 patents:

1. 9747764 - Guidance system (2017-08-29),
2. 9541105 - Separation removal and circulation system of air bubbles in fluid (2017-01-10),
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USPTO Data Jan 1 1976 - Jan 20 2026

2 Patents

#4,066 in Tokyo

#10,981 in Japan

Tokyo, JP
Tokyo, Japan

Tnk Corporation Ltd.

Forward Citations = 1

2 inventors:

goldMedal Nobuyuki Tanaka (2 out of 40 patents)

silverMedal Kazuo Mishina (1 out of 2 patents)

bronzeMedal Kenichi Tanaka (68 patents)

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