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For the Inventor, By the Inventor

Tokyo, Japan

Tokuken Ltd.


USPTO Granted Patents = 1

Forward Citations = 2

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2 inventors (with patents filed for the assignee):

goldMedal Yoji Ise (1 out of 19 patents)

silverMedal Tomeo Konishi (1 out of 1 patent)


1 patent:

1. 4623154 - Center chuck assembly (1986-11-18),
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USPTO Data Jan 1 1976 - Sep 22 2026

1 Patents

#6,079 in Tokyo

#15,713 in Japan

Tokyo, JP
Tokyo, Japan

Tokuken Ltd.

Forward Citations = 2

2 inventors:

goldMedal Yoji Ise (1 out of 19 patents)

silverMedal Tomeo Konishi (1 out of 1 patent)

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