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For the Inventor, By the Inventor

Hsinchu, Taiwan

Huaixin Xian

This inventor holds 20 USPTO granted patents and 15 published patent applications, primarily in Semiconductor Devices. Top assignees: Taiwan Semiconductor Manufacturing Comp. Ltd., TSMC Nanjing Company, Limited, TSMC China Company Limited. Active years: 2022-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Huaixin Xian. Retrieved from https://idiyas.com/inventor/huaixin-xian

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

USPTO Granted Patents = 20 

% Patents Active = 95.0

Average Co-Inventor Count = 4.2

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:

goldMedal20 out of 42,872 
 
Taiwan Semiconductor Manufacturing Comp. Ltd.
 patents
silverMedal19 out of 113 
 
TSMC Nanjing Company, Limited
 patents
bronzeMedal4 out of 132 
 
TSMC China Company Limited
 patents
where one patent can have more than one assignee

Years Active: 2022-2026

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Areas of Expertise:
Circuit Arrangements
Semiconductor Device
Daisy-Chained Delay Cells
Flip-Flop
Interleaved Clock Gates
Timing Circuit
Integrated Circuit
Multiplexer
Current-Distributing Pin
Decoupling Capacitor Blocks
Voltage Domains
Threshold Voltages
20 patents (USPTO):Explore Patents
1. 12762320 - Circuit arrangements having reduced dependency on layout environment (2026-10-13),
2. 12562720 - Method of forming semiconductor device including daisy-chained delay cells (2026-02-24),
3. 12482659 - Semiconductor device with T-shaped active region and methods of forming same (2025-11-25),
4. 12477831 - Semiconductor device having interleaved clock gate blocks and decoupling capacitor blocks and method of operating same (2025-11-18),
5. 12426379 - Semiconductor device having interleaved clock gate blocks and decoupling capacitor blocks and method of operating same (2025-09-23),
6. 12423495 - Current-distributing pin structure and method of forming same (2025-09-23),
7. 12375069 - Method for forming a timing circuit arrangements for flip-flops (2025-07-29),
8. 12368436 - Semiconductor device with common deep N-well for different voltage domains and method of forming same (2025-07-22),
9. 12283591 - Integrated circuit device (2025-04-21),
10. 12224755 - Method of and apparatus for controlling clock signal (2025-02-11),
11. 12199612 - Flip-flop with transistors having different threshold voltages, semiconductor device including same and methods of manufacturing same (2025-01-14),
12. 12166487 - Bi-directional scan flip-flop circuit and method (2024-12-10),
13. 12099090 - Multiplexer for SDFQ having differently-sized scan and data transistors, semiconductor device including same and methods of manufacturing same (2024-09-24),
14. 12015410 - Semiconductor device with daisy-chained delay cells and method of forming same (2024-06-18),
15. 11942945 - Method for forming a timing circuit arrangements for flip-flops (2024-03-26),

Title: **Innovator Huaixin Xian: Pioneering Advances in Semiconductor Technology**

Introduction

Huaixin Xian, a prominent inventor based in Hsinchu, Taiwan, has made significant contributions to the field of semiconductor technology. With a remarkable portfolio of 11 patents, his work focuses on methods and apparatuses that enhance the performance and efficiency of integrated circuits.

Latest Patents

Huaixin Xian's latest innovations include a method and apparatus for controlling clock signals within integrated circuits. This invention features a configuration that incorporates clocking and enabling transistors that function effectively to manage power supply and node connections. Additionally, he has developed a flip-flop design that utilizes transistors with varying threshold voltages, optimizing semiconductor device performance through innovative latch configurations and clock buffers.

Career Highlights

Throughout his career, Huaixin Xian has worked with leading companies such as Taiwan Semiconductor Manufacturing Company and TSMC Nanjing Company, Limited. His expertise in semiconductor design and integrated circuit technology has positioned him as a key figure in his field, allowing for advancements that benefit numerous applications in electronic systems.

Collaborations

During his professional journey, Huaixin Xian collaborated with fellow innovators, including Qingchao Meng, enhancing the collective research and development efforts within the semiconductor industry. These collaborations foster an environment of creativity and knowledge sharing, leading to transformative technological developments.

Conclusion

Huaixin Xian continues to be a driving force in the semiconductor sector, with his innovative patents paving the way for improved electronic devices. His commitment to advancing technology not only contributes to his companies' successes but also strengthens the overall ecosystem of semiconductor research and development.

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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