San Jose, CA, United States of America

Zhizheng Liu

This inventor holds 48 USPTO granted patents and 2 published patent applications and 1 EPO patent, primarily in Nonvolatile Memory. Top assignees: Spansion LLC., Advanced Micro Devices Corporation, Cypress Semiconductor Corporation. Active years: 2003-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Zhizheng Liu. Retrieved from https://idiyas.com/inventor/zhizheng-liu

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

USPTO Granted Patents = 48 

% Patents Active = 83.3


Average Co-Inventor Count = 4.6

ph-index = 12

Forward Citations = 493(Granted Patents)


Location History:

  • Sunnyvale, CA (US) (2003 - 2007)
  • San Jose, CA (US) (2007 - 2015)

Company Filing History:


Years Active: 2003-2026

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Areas of Expertise:
Memory Devices
Programming
Charge Protection
Disturbance Reduction
Flash Memory
Bitline Implant
Wordline Bias
Noise Suppression
Erasing Methods
Transistor Selection
Electromagnetic Fields
Process-Induced Charging
48 patents (USPTO):Explore Patents

Title: Innovations by Zhizheng Liu: Pioneering Advances in Memory Technology

Introduction

Zhizheng Liu, based in San Jose, CA, is a prolific inventor known for his significant contributions to the field of semiconductor technology. With an impressive portfolio of 47 patents, Liu has been at the forefront of innovation, particularly in memory devices.

Latest Patents

Among his latest inventions, Liu has developed a patent for a barrier region underlying source/drain regions for dual-bit memory devices. This innovation features a memory cell that includes a substrate and a stacked gate structure equipped with a charge trapping dielectric layer capable of storing data. The invention enhances memory cell design by strategically placing a barrier region beneath the source or drain, which incorporates inert species, thereby improving performance.

Another key patent focuses on adjacent wordline disturb reduction using boron/indium implant techniques. This technology aims to minimize parasitic current in semiconductor devices. The implementation involves memory devices with wordlines positioned over a semiconductor substrate, where strategic implantation of indium and boron is executed to reduce adjacent wordline disturb, showcasing Liu's ingenuity in addressing common issues in semiconductor design.

Career Highlights

Zhizheng Liu has worked with notable companies, including Spansion LLC and Advanced Micro Devices Corporation. His roles in these organizations have allowed him to hone his expertise in semiconductor technologies and contribute to advancements in memory technology.

Collaborations

Throughout his career, Liu has collaborated with esteemed professionals, including Yi He and Mark W. Randolph. These associations have enabled him to exchange ideas and push the boundaries of innovation within the industry.

Conclusion

Zhizheng Liu's contributions to semiconductor technology and memory devices are invaluable. With numerous patents to his name, his work continues to influence the industry, paving the way for future advancements in memory technology. His innovative spirit ensures that he remains a key figure in the journey towards more efficient and effective memory solutions.

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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