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For the Inventor, By the Inventor

Taichung, Taiwan

TSMC Solar Ltd.


USPTO Granted Patents = 25

% Expired Patents = 56.0

Forward Citations = 27

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40 inventors (with patents filed for the assignee):

goldMedal Chung-Hsien Wu (7 out of 10 patents)

silverMedal Wen-Tsai Yen (5 out of 15 patents)

bronzeMedal Shih-Wei Chen (4 out of 40 patents)

4.  Wen-Chin Lee (4 out of 87 patents)

5.  Tzu-Huan Cheng (3 out of 7 patents)

6.  Chih-Jen Yang (3 out of 20 patents)

7.  Edward F Teng (3 out of 15 patents)

8.  Ying-Chen Chao (3 out of 23 patents)

9.  Chien-Yao Huang (2 out of 14 patents)

10.  Chih-Wei Huang (2 out of 19 patents)

11.  Jyh-Lih Wu (2 out of 7 patents)

12.  Chi-Yu Chiang (2 out of 3 patents)

13.  Yung-Sheng Chiu (2 out of 10 patents)

14.  Chia-Hung Tsai (2 out of 17 patents)

15.  Kwang-Ming Lin (2 out of 11 patents)


Core Competencies:
Thin Film Solar Cells
Photovoltaic Device
Back Contact Design
Chalcogenide Semiconductor
CIGS Structure
Solar Cell Interconnects
Absorber Layer
Efficiency Optimization
Lamination Loss
Transmittance Optimization
Indium Sputtering
Electrical Transmission

25 patents:

1. 9385260 - Apparatus and methods for forming thin film solar cell materials (2016-07-05),
2. 9368659 - Back contact design for solar cell, and method of fabricating same (2016-06-14),
3. 9306098 - Method of making photovoltaic device comprising an absorber having a surface layer (2016-04-05),
4. 9293633 - Cover for protecting solar cells during fabrication (2016-03-22),
5. 9287437 - Apparatus and method for monitoring the process of fabricating solar cells (2016-03-15),
6. 9257584 - Solar cell interconnects and method of fabricating same (2016-02-09),
7. 9214575 - Solar cell contact and method of making the contact (2015-12-15),
8. 9209341 - Thin film solar cell and method of forming same (2015-12-08),
9. 9178103 - Apparatus and method for forming chalcogenide semiconductor absorber materials with sodium impurities (2015-11-03),
10. 9178088 - Apparatus and methods for fabricating solar cells (2015-11-03),
11. 9159863 - Method of forming chalcopyrite thin film solar cell (2015-10-13),
12. 9130113 - Method and apparatus for resistivity and transmittance optimization in TCO solar cell films (2015-09-08),
13. 9112065 - Method of curing solar cells to reduce lamination induced efficiency loss (2015-08-18),
14. 9105799 - Apparatus and method for producing solar cells using light treatment (2015-08-11),
15. 9103659 - Method and system for junction depth identification for ultra shallow junctions (2015-08-11),
Company Overview
TSMC Solar Ltd. is a prominent player in the solar energy sector, specializing in the development and manufacturing of high-efficiency photovoltaic products. Based in Taichung, Taiwan, the company leverages advanced technologies to enhance solar energy conversion and sustainability. TSMC Solar focuses on innovative solutions that contribute to the global transition towards renewable energy, emphasizing research in solar cell technology and energy efficiency. Its commitment to quality and innovation positions it as a key contributor in the renewable energy landscape.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

25 Patents

#70 in Taichung

#688 in Taiwan

#25,681 in the World

Taichung, TW
Taichung, Taiwan

TSMC Solar Ltd.

Forward Citations = 27

40 inventors:

goldMedal Chung-Hsien Wu (7 out of 10 patents)

silverMedal Wen-Tsai Yen (5 out of 15 patents)

bronzeMedal Shih-Wei Chen (4 out of 40 patents)

4.  Wen-Chin Lee (4 out of 87 patents)

5.  Tzu-Huan Cheng (3 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: TSMC Solar Ltd.. Retrieved from https://idiyas.com/company/tsmc-solar

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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