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For the Inventor, By the Inventor

Hsinchu, Taiwan

Epistar Corporation


USPTO Granted Patents = 1,234

% Expired Patents = 4.9


Trademarks = 7

Forward Citations = 4,725

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833 inventors (with patents filed for the assignee):

goldMedal Min-Hsun Hsieh (232 out of 233 patents)

silverMedal Chao-Hsing Chen (118 out of 119 patents)

bronzeMedal Chien-Fu Shen (111 out of 111 patents)

4.  Tsun-Kai Ko (104 out of 104 patents)

5.  Chia-Liang Hsu (99 out of 102 patents)

6.  Chih-Chiang Lu (90 out of 99 patents)

7.  Chiu-Lin Yao (77 out of 77 patents)

8.  Chen Ou (66 out of 67 patents)

9.  Yi-Ming Chen (64 out of 73 patents)

10.  Chien-Fu Huang (57 out of 76 patents)

11.  Tzu-Chieh Hsu (55 out of 57 patents)

12.  Jia-Kuen Wang (54 out of 54 patents)

13.  De-Shan Kuo (51 out of 51 patents)

14.  Hui-Chun Yeh (51 out of 53 patents)

15.  Shih-I Chen (50 out of 52 patents)


Core Competencies:
Light-Emitting Diode
Optoelectronic Device
Pixel Package
Semiconductor
Display Device
Manufacturing Method
Testing Method
Acoustic Wave Device
Cavity Design
Thermal Management
Electron Blocking Layer
Display Module

1,234 patents:

1. 12696589 - Light-emitting device and display device using the same (2026-07-28),
2. 12689175 - Semiconductor device (2026-07-21),
3. 12581785 - Optoelectronic device (2026-03-17),
4. D1114750 - Light-emitting diode device (2026-02-24),
5. D1113775 - Light-emitting diode device (2026-02-17),
6. 12557706 - Pixel package and manufacturing method thereof (2026-02-17),
7. 12557463 - Light emitting device (2026-02-17),
8. 12550514 - Light-emitting device with cavity between top electrode pad and protective layer (2026-02-10),
9. 12550508 - Light-emitting diode and manufacturing method thereof (2026-02-10),
10. 12518995 - Chip transferring method and the apparatus thereof (2026-01-06),
11. 12514027 - Semiconductor photo-detecting device (2025-12-30),
12. 12507505 - Light-emitting device (2025-12-23),
13. 12500213 - Light-emitting device and display device (2025-12-16),
14. 12477864 - Pixel package (2025-11-18),
15. 12477861 - Method of repairing the light emitting device (2025-11-18),
Epistar Corporation, headquartered in Hsinchu, Taiwan, specializes in the development and manufacturing of light-emitting devices, particularly focusing on light-emitting diodes (LEDs) and optoelectronic devices. The company is recognized for its innovations in pixel packaging, semiconductor technologies, and advanced manufacturing methods. With a commitment to enhancing display devices and acoustic wave technologies, Epistar plays a pivotal role in the global LED market, driving advancements in energy-efficient lighting solutions and display technologies.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

1,234 Patents

#13 in Hsinchu

#30 in Taiwan

#822 in the World

Hsinchu, TW
Hsinchu, Taiwan

Epistar Corporation

Forward Citations = 4,725

833 inventors:

goldMedal Min-Hsun Hsieh (232 out of 233 patents)

silverMedal Chao-Hsing Chen (118 out of 119 patents)

bronzeMedal Chien-Fu Shen (111 out of 111 patents)

4.  Tsun-Kai Ko (104 out of 104 patents)

5.  Chia-Liang Hsu (99 out of 102 patents)

Please report any incorrect information to [email protected]
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