Sunnyvale, CA, United States of America

Chao-Hung Chang

This inventor holds 24 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Computational Memory Cells. Top assignees: Gsi Technology, Inc., Magic Technologies, Inc., Other. Active years: 2012-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chao-Hung Chang. Retrieved from https://idiyas.com/inventor/chao-hung-chang

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

Calculating rank
USPTO Granted Patents = 24 

% Patents Active = 100.0


Average Co-Inventor Count = 2.5

ph-index = 12

Forward Citations = 280(Granted Patents)


Location History:

  • Gilroy, CA (US) (2012 - 2018)
  • Sunnyvale, CA (US) (2019 - 2022)

Company Filing History:


Years Active: 2012-2022

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Areas of Expertise:
Data Processing
Computational Memory Cells
Phase Locked Loop
Memory Array
Current Driver
Read/Write Logic
Bit Line
Ratioless Write Port
Fast-Acquisition Lock
Frequency Detection
Read Multiplexers
Write Inhibits
24 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Chao-Hung Chang in Computational Memory Technology

Introduction: Chao-Hung Chang, based in Sunnyvale, CA, has established himself as a significant inventor in the field of computational memory technology. With an impressive total of 24 patents to his name, his work is pivotal in advancing data processing methodologies.

Latest Patents: Among his latest innovations, Chang has developed two notable patents. The first is a "write data processing method associated with computational memory cells," which introduces the capability to shift data between adjacent bit lines within each section of a memory/processing array. This allows for improved efficiency in data management. The second patent revolves around "read data processing circuits and methods associated with computational memory cells." This innovation features a read register that captures and stores read results on a read bit line linked to computational memory cells, enabling complex logical functions such as logical XOR, AND, and OR accumulation.

Career Highlights: Throughout his career, Chao-Hung Chang has contributed his expertise to reputable companies such as GSI Technology, Inc. and Magic Technologies, Inc. His work has been instrumental in pushing the boundaries of computational memory technology, reflecting his dedication to innovation.

Collaborations: In his professional journey, Chang has collaborated with esteemed colleagues like Bob Haig and Lee-Lean Shu, furthering the collective advancements in their field. Their collaborative efforts undoubtedly fostered a creative environment that spurred significant breakthroughs.

Conclusion: Chao-Hung Chang's contributions to the realm of computational memory technology and his dedication to innovation through his numerous patents mark him as a prominent figure in the industry. His ongoing efforts continue to inspire advancements that can reshape the future of data processing methods.

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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