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For the Inventor, By the Inventor

Taoyuan, Taiwan

Hsien-Wen Liu

This inventor holds 76 USPTO granted patents and 35 published patent applications, primarily in DRAM Technology (CPC class H01L). Top assignees: Nan Ya Technology Corporation, Inotera Memories, Inc., Chingis Technology Corporation. Active years: 2001-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hsien-Wen Liu. Retrieved from https://idiyas.com/inventor/hsien-wen-liu

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

Calculating rank
USPTO Granted Patents = 76 

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 8

Forward Citations = 211(Granted Patents)

Forward Citations (Not Self Cited) = 208(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Taoyuan Hsien, TW (2001)
  • Tainan, TW (2002 - 2005)
  • Taiwan, TW (2005)
  • Taoyuan, TW (2006 - 2019)
  • Taoyuan County, TW (2011 - 2019)
  • Luzhu Township, Taoyuan County, TW (2018 - 2019)

Company Filing History:

goldMedal71 out of 2,618 
 
Nan Ya Technology Corporation
 patents
silverMedal3 out of 123 
 
Inotera Memories, Inc.
 patents
bronzeMedal2 out of 8 
 
Chingis Technology Corporation
 patents

Years Active: 2001-2019

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Areas of Expertise:
DRAM
Hybrid Memory
Power Management
Refresh Methods
Memory Device
Vertical MOSFET
Chemical Mechanical Polishing
Trench MOS Structure
Transistor Fabrication
Binary Logic
Volatile Memory
MOS Test Structure
76 patents (USPTO):Explore Patents
1. 10437499 - Hybrid memory system and method of operating the same (2019-10-08),
2. 10380024 - DRAM and method of operating the same in an hierarchical memory system (2019-08-13),
3. 10354713 - DRAM and method for determining binary logic using a test voltage level (2019-07-16),
4. 10338831 - System and method for preserving data in volatile memory (2019-07-02),
5. 10332580 - DRAM and method for determining binary logic using a test voltage level (2019-06-25),
6. 10332579 - DRAM and method for operating the same (2019-06-25),
7. 10297304 - Memory device and operating method thereof (2019-05-21),
8. 10276228 - DRAM and method of operating the same (2019-04-30),
9. 10269445 - Memory device and operating method thereof (2019-04-23),
10. 10262719 - DRAM and refresh method thereof (2019-04-16),
11. 10236035 - DRAM memory device adjustable refresh rate method to alleviate effects of row hammer events (2019-03-19),
12. 10141043 - DRAM and method for managing power thereof (2018-11-27),
13. 10127967 - DRAM and method for operating the same (2018-11-13),
14. 10049714 - DRAM and method for managing power thereof (2018-08-14),
15. 10019350 - Dram and method for accessing a dram (2018-07-10),

Title: Hsien-Wen Liu: Pioneering Innovations in Memory Systems

Introduction:

In the realm of technology and innovation, Hsien-Wen Liu stands out as a visionary inventor whose passion for innovation and quest for excellence have shaped the landscape of memory systems. With a track record of 76 patents and a stronghold in Taoyuan County, TW, Liu continues to inspire future generations of inventors.

Latest Patents:

Liu's latest patents showcase his groundbreaking work in memory systems. One of his inventions includes a hybrid memory system that revolutionizes data storage by efficiently utilizing both non-volatile and volatile memories. Additionally, his work on a DRAM and its operational method in a hierarchical memory system showcases his expertise in enhancing data access and storage capabilities.

Career Highlights:

Having made significant contributions to the field of technology, Liu has garnered a reputation for his innovative solutions. His tenure at companies like Nan Ya Technology Corporation and Inotera Memories, Inc. has provided him with a platform to unleash his creative genius and drive advancements in memory systems.

Collaborations:

Liu's collaborations with esteemed colleagues such as Yi-Nan Chen and Chung-Hsun Lee have resulted in synergistic innovations that have pushed the boundaries of memory technology. Together, they have worked tirelessly to develop cutting-edge solutions that have redefined the way data is stored and accessed.

Conclusion:

In conclusion, Hsien-Wen Liu's relentless pursuit of innovation and his invaluable contributions to memory systems have cemented his legacy as a pioneering inventor. His visionary approach to problem-solving and his collaborative spirit continue to inspire and shape the future of technology.

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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