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For the Inventor, By the Inventor

Taipei, Taiwan

Kuen-Long Chang

This inventor holds 130 USPTO granted patents and 7 published patent applications and 5 EPO patents, primarily in Non-Volatile Memory (CPC class G11C16-26). Top assignees: Macronix International Co., Ltd., Macronix International, Macronix Internationalco., Ltd.. Active years: 1998-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kuen-Long Chang. Retrieved from https://idiyas.com/inventor/kuen-long-chang

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

USPTO Granted Patents = 130 

% Patents Active = 96.9

 

Average Co-Inventor Count = 3.9

ph-index = 12

Forward Citations = 730(Granted Patents)

Forward Citations (Not Self Cited) = 634(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Mucha Taipei, TW (1999 - 2011)
  • Hsinchu, TW (2012 - 2018)
  • Taipei, TW (1998 - 2023)

Company Filing History:

goldMedal127 out of 3,609 
 
Macronix International Co., Ltd.
 patents
silverMedal1 out of 97 
 
Macronix International
 patents
bronzeMedal1 out of 12 
 
Macronix Internationalco., Ltd.
 patents
4. 1 out of 16 
 
National Science Council of R.o.c.
 patents

Years Active: 1998-2026

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Areas of Expertise:
Physically Unclonable Function
Non-Volatile Memory
Data Integrity
Security Key Storage
Memory Circuit
Erase Disturb
Low Pin Count Interface
ECC Method
Memory Device
Random Number Generator
Data Protection
Flexible Data Transfer
130 patents (USPTO):Explore Patents
1. 12614576 - PUF applications in memories (2026-04-28),
2. 12136471 - PUF applications in memories (2024-11-05),
3. 11763867 - PUF applications in memories (2023-09-19),
4. 11631464 - Memory apparatus and associated control method for reducing erase disturb of non-volatile memory (2023-04-18),
5. 11631441 - Method and system for enhanced multi-address read operations in low pin count interfaces (2023-04-18),
6. 11520933 - Memory chip having security verification function and memory device (2022-12-06),
7. RE49125 - Method and system for a serial peripheral interface (2022-07-04),
8. 11380379 - PUF applications in memories (2022-07-05),
9. 11302366 - Method and system for enhanced read performance in low pin count interface (2022-04-12),
10. 11258599 - Stable physically unclonable function (2022-02-22),
11. 11050569 - Security memory scheme (2021-06-29),
12. 10891184 - Configurable data integrity mode, and memory device including same (2021-01-12),
13. 10884956 - I/O bus shared memory system (2021-01-05),
14. 10855477 - Non-volatile memory with physical unclonable function and random number generator (2020-12-01),
15. 10809925 - Configurable security memory region (2020-10-20),

Title: Kuen-Long Chang: A Taipei-Based Innovator with 126 Patents

Introduction:

Kuen-Long Chang, a talented inventor hailing from Taipei, Taiwan, has left an indelible mark on the world of technology with a remarkable portfolio of 126 patents. His cutting-edge inventions, particularly in the field of memory devices and low pin count interfaces, have earned him recognition and paved the way for enhanced data storage and transfer capabilities. In this article, we delve into Chang's latest patents, explore his noteworthy career highlights, and shed light on his collaborations with industry peers.

Latest Patents:

One of Chang's recent patents is in the area of "PUF applications in memories." This particular invention revolves around a memory device that incorporates a physically unclonable function (PUF) circuit to generate a unique PUF code. By utilizing this code, the memory device efficiently encodes and transfers data, further improving data security and integrity.

Another notable patent by Chang involves an innovative "Method and system for enhanced multi-address read operations in low pin count interfaces." This invention addresses the challenge of throughput limitations in bi-directional serial ports. By supporting multi-address read operations, this memory device optimizes data transfer speeds and enhances overall performance.

Career Highlights:

Throughout his remarkable career, Chang has made significant contributions to the technology sector. His impactful work spans across organizations such as Macronix International Co., Ltd., a renowned semiconductor manufacturer, and the National Science Council of R.o.c. (Republic of China). These affiliations have provided Chang with the platform to bring his visionary ideas to life and drive technological advancements.

Collaborations:

Chang's collaborative relationships have been instrumental in realizing some of his most successful inventions. Among his esteemed coworkers, Chun-Hsiung Hung and Ken-Hui Chen stand out. Together, they have combined their expertise to push the boundaries of innovation and bring forth groundbreaking solutions in memory device design and low pin count interfaces.

Conclusion:

Kuen-Long Chang stands as a shining example of an inventive mind in the technology landscape. With an impressive 126 patents, his contributions in the fields of memory devices and low pin count interfaces have revolutionized data storage and transfer capabilities. Chang's collaborations with colleagues further underscore his commitment to advancing technology for the betterment of society. As an innovator hailing from Taipei, Taiwan, his work continues to inspire and shape the future of the industry.

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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