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For the Inventor, By the Inventor

Xiamen, China

Xiamen Sigmastar Technology Ltd.


USPTO Granted Patents = 9

Trademarks = 3

Forward Citations = 2

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14 inventors (with patents filed for the assignee):

goldMedal Lijing Chen (2 out of 4 patents)

silverMedal Ming-Yong Sun (2 out of 6 patents)

bronzeMedal Chih Hau Hu (1 out of 1 patent)

4.  Jen-Hao Chang (1 out of 1 patent)

5.  Cheng-Chieh Yeh (1 out of 1 patent)

6.  Chia-Jung Lee (1 out of 1 patent)

7.  Ren-You Huang (1 out of 1 patent)

8.  Lin-Chung Tsai (1 out of 2 patents)

9.  Fang-Sheng Lin (1 out of 1 patent)

10.  Chih-Hsiang Chiu (1 out of 1 patent)

11.  Hong-Chi Chen (1 out of 1 patent)

12.  Hao-Teng Fan (1 out of 1 patent)

13.  Chiao Su (1 out of 1 patent)

14.  Hao Wang (1 out of 58 patents)


9 patents:

1. 10958875 - Method and system encrypting and decrypting audio/video file (2021-03-23),
2. 10949506 - Method and system for authorizing software in electronic device (2021-03-16),
3. 10931957 - Image decryption apparatus and method of the same (2021-02-23),
4. 10841553 - Circuit for controlling image capturing device and associated control method (2020-11-17),
5. 10771798 - Multi-stream image processing apparatus and method of the same (2020-09-08),
6. 10769109 - Control method for storage device of driving recorder and storage device control system (2020-09-08),
7. 10650494 - Image stitching method and device (2020-05-12),
8. 10481675 - Dual-processor system and control method thereof (2019-11-19),
9. 10388007 - Image processing method and image processing device (2019-08-20),
Company Overview
Founded in Xiamen, China, Xiamen Sigmastar Technology Ltd. is a leading provider of innovative solutions in the field of technology. With a focus on research and development, the company offers a wide range of products and services to meet the needs of clients worldwide. From software development to hardware design, Xiamen Sigmastar Technology Ltd. is committed to delivering cutting-edge solutions that drive business growth and success.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

9 Patents

#69 in Xiamen

#3,112 in China

Xiamen, CN
Xiamen, China

Xiamen Sigmastar Technology Ltd.

Forward Citations = 2

14 inventors:

goldMedal Lijing Chen (2 out of 4 patents)

silverMedal Ming-Yong Sun (2 out of 6 patents)

bronzeMedal Chih Hau Hu (1 out of 1 patent)

4.  Jen-Hao Chang (1 out of 1 patent)

5.  Cheng-Chieh Yeh (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Xiamen Sigmastar Technology Ltd.. Retrieved from https://idiyas.com/company/xiamen-sigmastar-technology

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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