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For the Inventor, By the Inventor

Tochigi, Japan

Viscodrive Japan Pk


USPTO Granted Patents = 1

Forward Citations = 1

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2 inventors (with patents filed for the assignee):

goldMedal Makoto Hagiwara (1 out of 3 patents)

silverMedal Manfred Hofer (1 out of 2 patents)


1 patent:

1. 5662196 - Viscous coupling having a toothed hub used as carrier for the inner (1997-09-02),
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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#40 in Tochigi

#15,557 in Japan

...
Tochigi, Japan

Viscodrive Japan Pk

Forward Citations = 1

2 inventors:

goldMedal Makoto Hagiwara (1 out of 3 patents)

silverMedal Manfred Hofer (1 out of 2 patents)

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