Lightron Figer-Optic Devices Inc.

Calculating rank

USPTO Granted Patents = 1

Forward Citations = 0

Loading Chart...

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),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

1 Patents

#332 in Daejeon

#5,802 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lightron Figer-Optic Devices Inc.. Retrieved from https://idiyas.com/company/lightron-figer-optic-devices

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]