For the Inventor, By the Inventor

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Gimcheon, South Korea

Keyyang Precision Co., Ltd.

USPTO Granted Patents = 1

EPO Patents = 1

Forward Citations = 3

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2 inventors (with patents filed for the assignee):

Dong Ho Chu (1 out of 37 patents)

Kyu Sik Cho (1 out of 1 patent)

Jiwoong Chung (0 patent)

4. Vitaly A Shuripa (0 patent)

1 patent: Sort by Forward Citations

1. 9856787 - Valve device of turbocharger (2018-01-02),

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USPTO Data Jan 1 1976 - Oct 6 2026

1 Patents

#8 in Gimcheon

#5,784 in South Korea

Gimcheon, South Korea

Keyyang Precision Co., Ltd.

Forward Citations = 3

2 inventors:

Dong Ho Chu (1 out of 37 patents)

Kyu Sik Cho (1 out of 1 patent)

Jiwoong Chung (0 patent)

4. Vitaly A Shuripa (0 patent)

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