Xiamen, China

Liangliang Cao

This inventor holds 91 USPTO granted patents and 15 published patent applications and 12 EPO patents, primarily in LED Lighting Devices (CPC class F21Y2115-10). Top assignees: Xiamen Eco Lighting Co. Ltd., Leedarson Lighting Co., Ltd., Xiamen Leedarson Lighting Co., Ltd. Active years: 2018-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Liangliang Cao. Retrieved from https://idiyas.com/inventor/liangliang-cao

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 91 

% Patents Active = 96.7

 

Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 82(Granted Patents)

Forward Citations (Not Self Cited) = 54(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Xiamen, CN (2018 - 2024)
  • Fujian, CN (2019 - 2024)

Company Filing History:


Years Active: 2018-2026

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Areas of Expertise:
LED Lighting Device
Industrial Lighting
Emergency Lighting
Anti-Glare Cover
Light Bulb Apparatus
Downlight Apparatus
Light-Emitting Diode Module
Panel Light Apparatus
Heat Dissipation Unit
Composite Micro-Structure
Sensing Function
Twisted LED Filament
91 patents (USPTO):Explore Patents

Title: Innovations by Liangliang Cao: Pioneering Lighting Device Technologies

Introduction: Liangliang Cao, based in Xiamen, China, is a renowned inventor in the field of lighting technologies. With an impressive portfolio of 77 patents, he has made significant contributions to the development of lighting devices that enhance performance and efficiency.

Latest Patents: Liangliang's recent innovations include two notable patents: the "Lighting Device Having Composite Micro-Structure" and the "LED Lighting Device." The first patent describes a lighting device featuring a main body, a light source board, and a light cover designed for optimal illumination. The inventive structure allows for an accommodating space that enhances the lighting effects and increases the illuminance of the target area. The second patent focuses on a light-emitting diode (LED) lighting device, which simplifies the coating process through the use of a protective layer with a single opening, ultimately reducing manufacturing costs.

Career Highlights: Liangliang has garnered experience through pivotal roles in esteemed companies, including Xiamen Eco Lighting Co. Ltd. and Leedarson Lighting Co., Ltd. His tenure in these companies has enabled him to refine his expertise in lighting technology and contribute to several groundbreaking projects.

Collaborations: Throughout his professional journey, Liangliang has collaborated with other talented individuals in the industry, including Qiyuan Wang and Huiwu Chen. Collaborating with such skilled professionals has enhanced his innovative capabilities and broadened the scope of his inventions.

Conclusion: Liangliang Cao stands as a prominent figure in the realm of lighting innovation. His extensive patent portfolio and collaborative efforts showcase his dedication to improving lighting technologies. As he continues to innovate, Liangliang's contributions are sure to impact the industry positively, shedding light on new possibilities for the future.

Profile summary based on public USPTO records.
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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