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Sigmastar Technology Ltd.

USPTO Granted Patents = 60

EPO Patents = 1

Trademarks = 5

Forward Citations = 1

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100 inventors (with patents filed for the assignee):

Kai Sun (4 out of 13 patents)

Bo Lin (4 out of 4 patents)

Wei-Ping Wang (4 out of 4 patents)

4. Zhen-Yang Pang (4 out of 4 patents)

5. Jin-Hua Fan (3 out of 3 patents)

6. Hu He (3 out of 6 patents)

7. Wei Zhu (3 out of 3 patents)

8. Fu-Cheng Chen (3 out of 3 patents)

9. Zhong-Yuan Wan (3 out of 3 patents)

10. Zhun Chen (3 out of 3 patents)

11. Chengwei Zheng (3 out of 3 patents)

12. Cheng-Wei Zheng (3 out of 3 patents)

13. Xiaolong Liu (2 out of 9 patents)

14. Hsian-Feng Liu (2 out of 2 patents)

15. Wei Zhu (2 out of 74 patents)

Core Competencies:

Speech Enhancement

Voltage Protection

Video Encoding

Image Processing

Neural Network Optimization

Data Transmission Control

Audio Processing

Intelligent Processor

Image Decoding

Convolution Calculation

Wireless Network Detection

Object Detection

60 patents: Sort by Forward Citations

1. 12482480 - Speech enhancement methods and processing circuits performing speech enhancement methods (2025-11-25),

2. 12470121 - Fail-safe input/output device and voltage switching method (2025-11-11),

3. 12445606 - Video encoder and video encoding method (2025-10-14),

4. 12445154 - Wired transmitter with overvoltage protection (2025-10-14),

5. 12439034 - Determination method for chroma intra prediction mode and image encoding device (2025-10-07),

6. 12430075 - Electronic device and operation method thereof (2025-09-30),

7. 12417791 - Direct memory access (DMA) circuit and operation method thereof (2025-09-16),

8. 12385971 - Voltage detection device and voltage protection method (2025-08-12),

9. 12360929 - Memory management device and method applied to intelligence processing unit (2025-07-15),

10. 12360138 - Voltage detection device and method for preventing system failure (2025-07-15),

11. 12340515 - Image edge detection method and image edge detection device (2025-06-24),

12. 12335507 - Image encoding device and weighted prediction image encoding method (2025-06-17),

13. 12335070 - Transmitter and signal transmitting method thereof (2025-06-17),

14. 12334876 - Audio player device and startup method thereof (2025-06-17),

15. 12334724 - Transmitter with overvoltage protection (2025-06-17),

SIGMASTAR TECHNOLOGY LTD. is a leading technology company specializing in the design and manufacturing of high-performance semiconductor solutions. With a focus on providing innovative solutions for a wide range of applications including smart TVs, digital signage, and multimedia devices, SIGMASTAR has established itself as a trusted partner for global customers. Through continuous research and development, SIGMASTAR aims to deliver cutting-edge technologies that empower the next generation of smart and connected devices.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

60 Patents

#12 in Xiamen

#491 in China

#11,658 in the World

Sigmastar Technology Ltd.

Forward Citations = 1

100 inventors:

Kai Sun (4 out of 13 patents)

Bo Lin (4 out of 4 patents)

Wei-Ping Wang (4 out of 4 patents)

4. Zhen-Yang Pang (4 out of 4 patents)

5. Jin-Hua Fan (3 out of 3 patents)

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