Trademarks = 2

Forward Citations = 1

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8 inventors (with patents filed for the assignee):

Wei Chih Lin (4 out of 16 patents)

Hung-Wen Huang (3 out of 3 patents)

Yung-Chao Chen (3 out of 3 patents)

4. Yi-Hsiang Wang (3 out of 3 patents)

5. Yung-Jr Hung (1 out of 8 patents)

6. Shu-Wei Chiu (1 out of 1 patent)

7. Yin-Jie Ma (1 out of 1 patent)

8. Huang-wei Pan (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 12696576 - Semiconductor device (2026-07-28),

2. 12604558 - Light detecting device having a gradient layer with multiple sublayers (2026-04-14),

3. 11699771 - Non-diffusion type photodiode (2023-07-11),

4. 10050413 - Semiconductor laser apparatus (2018-08-14),

5. 9904176 - Interference lithography device (2018-02-27),

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USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#150 in Tainan

#2,367 in Taiwan

Tainan, Taiwan

Landmark Optoelectronics Corporation

Forward Citations = 1

8 inventors:

Wei Chih Lin (4 out of 16 patents)

Hung-Wen Huang (3 out of 3 patents)

Yung-Chao Chen (3 out of 3 patents)

4. Yi-Hsiang Wang (3 out of 3 patents)

5. Yung-Jr Hung (1 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Landmark Optoelectronics Corporation. Retrieved from https://idiyas.com/company/landmark-optoelectronics

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]