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For the Inventor, By the Inventor

Shizuoka, Japan

Usui Kokusai Sangyo Kaisha Limitd


USPTO Granted Patents = 1

Forward Citations = 2

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2 inventors (with patents filed for the assignee):

goldMedal Hiroki Sugawara (1 out of 4 patents)

silverMedal Masato Yamada (1 out of 3 patents)


1 patent:

1. 8991581 - Highly reactive fluid fan coupling device (2015-03-31),
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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#151 in Shizuoka

#15,596 in Japan

...
Shizuoka, Japan

Usui Kokusai Sangyo Kaisha Limitd

Forward Citations = 2

2 inventors:

goldMedal Hiroki Sugawara (1 out of 4 patents)

silverMedal Masato Yamada (1 out of 3 patents)

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