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For the Inventor, By the Inventor

Shenzhen, China

Qing-Shan Cao

USPTO Granted Patents = 15 

Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 99(Granted Patents)


Company Filing History:

goldMedal14 out of 19,782 
 
Hon Hai Precision Industry Co., Ltd.
 patents
silverMedal13 out of 4,047 
 
Hong-Fu Jin Precision Industry (Shenzhen) Co., Ltd.
 patents
bronzeMedal1 out of 17 
 
Ensky Technology (Shenzhen) Co., Ltd.
 patents
4. 1 out of 18 
 
Ensky Technology Co., Ltd.
 patents
5. 1 out of 20 
 
Hong Fu Jin Precision (Shenzhen) Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2010-2014

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15 patents (USPTO):Explore Patents
1. 8636377 - Light tube holder for receiving LED tube or fluorescent tube (2014-01-28),
2. 8604721 - Lamp tube switching circuit (2013-12-10),
3. 8604715 - Lamp tube switch circuit and method thereof (2013-12-10),
4. 8604706 - Lamp tube switch circuit (2013-12-10),
5. 8561340 - Illumination device (2013-10-22),
6. 8523405 - Two-color mixing LED illuminating device (2013-09-03),
7. 8459829 - Illuminating system,universal lamp holder and LED lamp (2013-06-11),
8. 8408750 - LED illuminating device (2013-04-02),
9. 8403692 - Illumination device (2013-03-26),
10. 8382502 - Illumination device with a connector having a retainer with a rotary member and a starter and a swich and elastic pieces (2013-02-26),
11. 8371868 - Illumination device with a connector having a retainer with a rotary member and four elastic pieces (2013-02-12),
12. 8371867 - Illumination device with a connector having a retainer with a rotary member and elastic pieces (2013-02-12),
13. 8366467 - Illumination device with a connector having a retainer with a rotary member (2013-02-05),
14. 8317550 - Electrical receptacle terminal (2012-11-27),
15. 7791717 - Reflective display device testing system, apparatus, and method (2010-09-07),

Title: Innovator Qing-Shan Cao: Pioneering Advances in Lighting Technology

Introduction: Qing-Shan Cao is a renowned inventor based in Shenzhen, China, with a remarkable portfolio of 15 patents. His contributions to lighting technology have been significant, particularly in the development of systems for accommodating both LED and fluorescent tubes.

Latest Patents: One of Cao's most notable inventions is a light tube holder designed to receive either LED tubes or fluorescent tubes. This innovative holder features a base and two connectors, with a rotary member that allows users to easily switch between tube types. The design incorporates three conductive elastic pieces, connecting them to specific drive circuit boards for each type of light. This flexibility enables efficient activation of either the LED or fluorescent tube. Additionally, Cao has developed a lamp tube switch circuit that efficiently supplies power to the selected lamp tube. This circuit includes a control unit with multiple buttons corresponding to various tube types, enhancing user interaction and operational efficiency.

Career Highlights: Throughout his career, Qing-Shan Cao has been associated with several prominent companies in the industry, including Hon Hai Precision Industry Co., Ltd. and Hong-fu Jin Precision Industry (Shenzhen) Co., Ltd. His experience in these organizations has enabled him to hone his skills in innovation and product development.

Collaborations: Cao has worked alongside talented individuals such as Zheng-Nian Liu and Yu Hu, the latter being a vital contributor in his projects. Their collaborative efforts have played a key role in the successful development of new technologies.

Conclusion: Qing-Shan Cao's innovative spirit and dedication to advancing lighting technology have led to the creation of valuable inventions that improve energy efficiency and user convenience. His work continues to influence the field, paving the way for future advancements in lighting solutions.

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