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For the Inventor, By the Inventor

Shanghai, China

Enraytek Optoelectronics Co., Ltd.


USPTO Granted Patents = 22

% Expired Patents = 77.3


Forward Citations = 34

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21 inventors (with patents filed for the assignee):

goldMedal Richard Rugin Chang (10 out of 21 patents)

silverMedal Qiming Li (8 out of 113 patents)

bronzeMedal Deyuan Xiao (8 out of 93 patents)

4.  Huiwen Xu (8 out of 16 patents)

5.  Yu Zhang (4 out of 111 patents)

6.  Tingting Yu (2 out of 13 patents)

7.  Shuai Zhang (2 out of 23 patents)

8.  Houyong Ma (2 out of 2 patents)

9.  Hongbo Yu (2 out of 2 patents)

10.  Mengjan Cherng (2 out of 2 patents)

11.  Zhengguo Yu (1 out of 1 patent)

12.  Jing Ju (1 out of 5 patents)

13.  Zhengzhang You (1 out of 1 patent)

14.  Jingchao Xie (1 out of 1 patent)

15.  Qing Rao (1 out of 8 patents)


22 patents:

1. 10490701 - Light emitting diode chip (2019-11-26),
2. 10283346 - Sapphire substrate recycling method (2019-05-07),
3. D824343 - LED chip (2018-07-31),
4. 9842963 - GaN-based LED epitaxial structure and preparation method thereof (2017-12-12),
5. D795822 - LED chip (2017-08-29),
6. D794582 - LED chip (2017-08-15),
7. 9735316 - Method for manufacturing high voltage LED flip chip (2017-08-15),
8. 9698305 - High voltage LED flip chip (2017-07-04),
9. 9698197 - High-voltage flip LED chip and manufacturing method thereof (2017-07-04),
10. 9601660 - Reversely-installed photonic crystal LED chip and method for manufacturing same (2017-03-21),
11. 9419173 - Flip-chip LED and fabrication method thereof (2016-08-16),
12. 9345086 - Lighting circuit (2016-05-17),
13. 9306122 - Light emitting diode and a manufacturing method thereof, a light emitting device (2016-04-05),
14. 9202985 - Light emitting diode and forming method thereof (2015-12-01),
15. 9082891 - Methods for manufacturing isolated deep trench and high-voltage LED chip (2015-07-14),
Company Overview
Enraytek Optoelectronics Co., Ltd. is a prominent player in the field of optoelectronics, specializing in the development and manufacturing of advanced optical components and systems. The company focuses on innovative solutions for various applications, including telecommunications, industrial automation, and consumer electronics. Based in Shanghai, Enraytek leverages cutting-edge technology to enhance performance and efficiency in optoelectronic devices, contributing to the evolution of modern electronic systems.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

22 Patents

#133 in Shanghai

#1,331 in China

#28,807 in the World

Shanghai, CN
Shanghai, China

Enraytek Optoelectronics Co., Ltd.

Forward Citations = 34

21 inventors:

goldMedal Richard Rugin Chang (10 out of 21 patents)

silverMedal Qiming Li (8 out of 113 patents)

bronzeMedal Deyuan Xiao (8 out of 93 patents)

4.  Huiwen Xu (8 out of 16 patents)

5.  Yu Zhang (4 out of 111 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Enraytek Optoelectronics Co., Ltd.. Retrieved from https://idiyas.com/company/enraytek-optoelectronics-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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