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White Plains, NY, United States of America

Huai-Yu Cheng

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This inventor holds 23 USPTO granted patents and 4 published patent applications, primarily in Phase Change Memory. Top assignees: Macronix International Co., Ltd., International Business Machines Corporation. Active years: 2012-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Huai-Yu Cheng. Retrieved from https://idiyas.com/inventor/huai-yu-cheng

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

USPTO Granted Patents = 23 

% Patents Active = 91.3

Average Co-Inventor Count = 2.7

ph-index = 8

Forward Citations = 134(Granted Patents)


Location History:

  • Hsinchu, TW (2012 - 2022)
  • White Plains, NY (US) (2014 - 2022)
  • Pleasantville, NY (US) (2024)

Company Filing History:

goldMedal23 out of 3,609 
 
Macronix International Co., Ltd.
 patents
silverMedal10 out of 166,351 
 
International Business Machines Corporation
 patents
where one patent can have more than one assignee

Years Active: 2012-2025

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Areas of Expertise:
Ovonic Threshold Switch
Chalcogenides
Silicon Doped
Embedded PCM
Memory Devices
Phase Change Materials
Thermal Stability
Selector Devices
Recrystallization Time
Sputtering
Oxidation Suppression
Memory Cell
23 patents (USPTO):Explore Patents
1. 12310031 - Multi-layer ovonic threshold switch (OTS) for switching devices and memory devices using the same (2025-05-20),
2. 11889771 - Mitigating moisture driven degradation of silicon doped chalcogenides (2024-01-30),
3. 11362276 - High thermal stability SiOdoped GeSbTe materials suitable for embedded PCM application (2022-06-14),
4. 11355552 - Memory material, and memory device applying the same (2022-06-07),
5. 11289540 - Semiconductor device and memory cell (2022-03-29),
6. 11271155 - Suppressing oxidation of silicon germanium selenium arsenide material (2022-03-08),
7. 11158787 - C—As—Se—Ge ovonic materials for selector devices and memory devices using same (2021-10-26),
8. 10978511 - Semiconductor device and memory cell (2021-04-13),
9. 10541271 - Superlattice-like switching devices (2020-01-21),
10. 10374009 - Te-free AsSeGe chalcogenides for selector devices and memory devices using same (2019-08-06),
11. 10050196 - Dielectric doped, Sb-rich GST phase change memory (2018-08-14),
12. 9917252 - GaSbGe phase change memory materials (2018-03-13),
13. 9882126 - Phase change storage device with multiple serially connected storage regions (2018-01-30),
14. 9653683 - Phase change memory cell with improved phase change material (2017-05-16),
15. 9257643 - Phase change memory cell with improved phase change material (2016-02-09),

Title: **Inventor Huai-Yu Cheng: Pioneering Innovations in Phase-Change Materials**

Introduction

Huai-Yu Cheng, located in White Plains, NY, is an accomplished inventor with a remarkable portfolio comprising 22 patents. His work primarily focuses on advancing materials science, particularly in the domain of silicon doped chalcogenides and phase-change materials, which hold significant implications for future technology developments.

Latest Patents

Among his latest contributions are two notable patents. The first, titled "Mitigating Moisture Driven Degradation of Silicon Doped Chalcogenides," introduces a method that involves placing a silicon doped chalcogenide composition in a process chamber. This innovative method passivates dangling silicon bonds by utilizing forming gas or hydrogen plasma, effectively addressing moisture-related deterioration in these materials.

The second patent, "High Thermal Stability SiO Doped GeSbTe Materials Suitable for Embedded PCM Application," describes a unique phase-change material characterized by specific silicon oxide doping within a special Ge-rich GeSbTe composition. This development enables integrated circuits to use the material as memory elements in a memory array, ensuring compliance with solder bonding criteria while exhibiting excellent set speeds and exceptional long-term data retention capabilities.

Career Highlights

Throughout his career, Huai-Yu Cheng has made significant strides in materials engineering. He has held pivotal roles at leading companies such as Macronix International Co., Ltd. and International Business Machines Corporation (IBM). His innovative research and development efforts demonstrate a commitment to pushing the boundaries of technology and enhancing material applications.

Collaborations

Collaboration has been a key component of Cheng's success. He has worked alongside distinguished colleagues, including Hsiang-Lan Lung and I-Ting Kuo. Their collective expertise has fostered an environment of innovation, leading to groundbreaking developments in the field of phase-change materials.

Conclusion

Huai-Yu Cheng stands out as a visionary inventor whose contributions in materials science are shaping the future of technology. With a strong patent portfolio and impactful collaborations, he continues to drive innovation in silicon doped chalcogenides and phase-change materials, cementing his legacy in the engineering community.

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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