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Hsinchu, Taiwan

United Epitaxy Company, Inc.

Calculating rank

USPTO Granted Patents = 45

% Expired Patents = 2.2

Forward Citations = 1,445

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28 inventors (with patents filed for the assignee):

Tzer-Perng Chen (25 out of 59 patents)

Chih-Sung Chang (23 out of 60 patents)

Kuang-Neng Yang (12 out of 15 patents)

4. Tzong-Liang Tsai (10 out of 61 patents)

5. Jin-Ywan Lin (6 out of 20 patents)

6. Charng-Shyang Jong (4 out of 7 patents)

7. Chung-Ying Chang (3 out of 10 patents)

8. Chuan-Cheng Tu (3 out of 22 patents)

9. Chung-Cheng Tu (3 out of 7 patents)

10. Rong-Yih Hwang (3 out of 4 patents)

11. Holin Chang (3 out of 4 patents)

12. Jen-Chau Wu (2 out of 27 patents)

13. Pao-I Huang (2 out of 6 patents)

14. Pai-Hsiang Wang (2 out of 8 patents)

15. Cheng-Chung Young (2 out of 2 patents)

Core Competencies:

Light Emitting Diode

Semiconductor Device

Epitaxial Growth

High Efficiency

Quantum Well Device

Package Structure

LED Stack

Interface Texturing

Protective Element

Surface Mounting

Low-Temperature Solder

Current Blocking

45 patents: Sort by Forward Citations

1. 7129527 - Light emitting diode and method of making the same (2006-10-31),

2. 6998642 - Series connection of two light emitting diodes through semiconductor manufacture process (2006-02-14),

3. 6995403 - Light emitting device (2006-02-07),

4. 6984852 - Package structure for light emitting diode and method thereof (2006-01-10),

5. 6958496 - Light-emitting semiconductor device having enhanced brightness (2005-10-25),

6. 6921924 - Semiconductor light-emitting device (2005-07-26),

7. 6900068 - Light emitting diode and method of making the same (2005-05-31),

8. 6894323 - Group III nitride semiconductor device and its method of manufacture (2005-05-17),

9. 6869820 - High efficiency light emitting diode and method of making the same (2005-03-22),

10. 6861677 - Package of lightemitting diode with protective element (2005-03-01),

11. 6853011 - Light emitting diode and method of making the same (2005-02-08),

12. 6838704 - Light emitting diode and method of making the same (2005-01-04),

13. 6812067 - Method for integrating compound semiconductor with substrate or high thermal conductivity (2004-11-02),

14. 6797987 - High efficiency light emitting diode and method of making the same (2004-09-28),

15. 6786390 - LED stack manufacturing method and its structure thereof (2004-09-07),

Company Overview

United Epitaxy Company, Inc. is a leading player in the semiconductor industry, specializing in the development and manufacturing of advanced light-emitting diodes (LEDs) and epitaxial growth technologies. The company focuses on high-efficiency LED solutions, including nitride semiconductors and quantum well devices, catering to diverse applications in lighting and display technologies. Based in Hsinchu, Taiwan, UEC is committed to innovation in LED stack manufacturing and surface mounting methods, driving advancements in energy-efficient lighting solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

45 Patents

#101 in Hsinchu

#437 in Taiwan

#15,458 in the World

Hsinchu, Taiwan

United Epitaxy Company, Inc.

Forward Citations = 1,445

28 inventors:

Tzer-Perng Chen (25 out of 59 patents)

Chih-Sung Chang (23 out of 60 patents)

Kuang-Neng Yang (12 out of 15 patents)

4. Tzong-Liang Tsai (10 out of 61 patents)

5. Jin-Ywan Lin (6 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: United Epitaxy Company, Inc.. Retrieved from https://idiyas.com/company/united-epitaxy-company

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]

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