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For the Inventor, By the Inventor

Taoyuan, Taiwan

Leotek Electronics Corporation


USPTO Granted Patents = 26

% Expired Patents = 26.9



Trademarks = 4

Forward Citations = 1,246

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23 inventors (with patents filed for the assignee):

goldMedal Chen-Ho Wu (12 out of 12 patents)

silverMedal Chen H Wu (9 out of 10 patents)

bronzeMedal Chin-Wang Tu (7 out of 9 patents)

4.  Shih Chang Wang (5 out of 5 patents)

5.  Pin-Hao Hsu (3 out of 11 patents)

6.  Chinmau James Hwang (3 out of 3 patents)

7.  Shih-Chang Wang (2 out of 22 patents)

8.  Yi-Kai Cheng (2 out of 4 patents)

9.  Steve Bacilieri (2 out of 2 patents)

10.  Han-Jen Chuang (2 out of 2 patents)

11.  Po-Chang Li (1 out of 16 patents)

12.  Hamid Kashani (1 out of 2 patents)

13.  Shu-Chun Chang (1 out of 1 patent)

14.  Bing-Yu Wu (1 out of 1 patent)

15.  Sheng-Hsiung Hu (1 out of 1 patent)


Core Competencies:
LED Luminaire
Traffic Signal Light
Illumination Device
Light Emitting Diode
Retrofit Module
Composite Lens Plate
LED Power Supply
Backlit Signs
LED Tube Lights
Lighting Applications
Street Light
LED Retrofit Lamp

26 patents:

1. 9341351 - Universal mounting system for pole mounted area lights (2016-05-17),
2. 8833978 - Traffic signal light device (2014-09-16),
3. 8573818 - Luminaire with rotating and removable door (2013-11-05),
4. 8511865 - LED luminaire light redirection shield (2013-08-20),
5. 8256927 - Illumination device (2012-09-04),
6. 8111011 - LED luminaire with improved life and operation management (2012-02-07),
7. 7918590 - Composite lens plate (2011-04-05),
8. 7488086 - Retrofitting of fluorescent tubes with light-emitting diode (LED) modules for various signs and lighting applications (2009-02-10),
9. 7461947 - LED tube lights with clear bottom base (2008-12-09),
10. 7434968 - Traffic signal lamp assembly and method of replacing same (2008-10-14),
11. 7347706 - Light emitting diode (LED) based street light and other lighting applications (2008-03-25),
12. 7303309 - Method and apparatus for backlit signs with light emitting diode modules (2007-12-04),
13. 7172324 - Internally illuminated light panel with LED modules having light redirecting devices (2007-02-06),
14. 6911915 - Compact light emitting diode retrofit lamp and method for traffic signal lights (2005-06-28),
15. 6905227 - Light emitting diode retrofit module for traffic signal lights (2005-06-14),
Company Overview
Leotek Electronics Corporation, based in Taoyuan, Taiwan, specializes in the development and manufacturing of advanced LED lighting solutions. The company focuses on innovative technologies that enhance energy efficiency and sustainability in various applications, including street lighting, industrial lighting, and commercial lighting systems. With a commitment to quality and performance, Leotek aims to provide reliable lighting solutions that meet the evolving needs of urban infrastructure and smart city initiatives.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

Leotek Electronics Corporation USPTO Patent Assignee Logo
26 Patents

#63 in Taoyuan

#663 in Taiwan

#24,781 in the World

Taoyuan, TW
Taoyuan, Taiwan

Leotek Electronics Corporation

Forward Citations = 1,246

23 inventors:

goldMedal Chen-Ho Wu (12 out of 12 patents)

silverMedal Chen H Wu (9 out of 10 patents)

bronzeMedal Chin-Wang Tu (7 out of 9 patents)

4.  Shih Chang Wang (5 out of 5 patents)

5.  Pin-Hao Hsu (3 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Leotek Electronics Corporation. Retrieved from https://idiyas.com/company/leotek-electronics

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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