For the Inventor, By the Inventor

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Daejeon, South Korea

Lightron Figer-optic Devices Inc.

USPTO Granted Patents = 1

Forward Citations = 0

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7 inventors (with patents filed for the assignee):

Hyun-Won Cha (1 out of 1 patent)

Keun-Jae Park (1 out of 1 patent)

Jeong-Hwan Cho (1 out of 2 patents)

4. Oh-Sang Kwon (1 out of 1 patent)

5. Hyun-Jong Youm (1 out of 1 patent)

6. Seong-Seok Seo (1 out of 1 patent)

7. Young-Un Heo (1 out of 2 patents)

1 patent: Sort by Forward Citations

1. 10591683 - Passive optical network-based video overlay pluggable type optical network device (2020-03-17),

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#309 in Daejeon

#5,501 in South Korea

Daejeon, South Korea

Lightron Figer-optic Devices Inc.

Forward Citations = 0

7 inventors:

Hyun-Won Cha (1 out of 1 patent)

Keun-Jae Park (1 out of 1 patent)

Jeong-Hwan Cho (1 out of 2 patents)

4. Oh-Sang Kwon (1 out of 1 patent)

5. Hyun-Jong Youm (1 out of 1 patent)

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