Yongin, South Korea

Sang-Uhn Cha

This inventor holds 47 USPTO granted patents, primarily in Semiconductor Memory Devices. Top assignee: Samsung Electronics Co., Ltd.. Active years: 2017-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sang-Uhn Cha. Retrieved from https://idiyas.com/inventor/sang-uhn-cha

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


% Patents Active = 95.7

Average Co-Inventor Count = 3.1

ph-index = 7

Forward Citations = 207(Granted Patents)


Location History:

  • Hwasung-si, KR (2018 - 2019)
  • Suwon-si, KR (2020 - 2023)
  • Yongin-si, KR (2017 - 2024)

Company Filing History:


Years Active: 2017-2024

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Areas of Expertise:
Semiconductor Memory Devices
Memory Systems
Error Correction Circuits
Error Detection Code
Memory Controllers
Data Scrubbing
Parallel Read-Modify-Write
Selective Write-Back
Memory Modules
In-Chip Error Correction
47 patents (USPTO):Explore Patents

Title: Achievements of Sang-Uhn Cha in Semiconductor Memory Innovations

Introduction: Sang-Uhn Cha is a distinguished inventor based in Yongin-si, South Korea. With an astounding portfolio of 47 patents to his name, he has made significant contributions to the field of semiconductor memory devices.

Latest Patents: Among his latest innovations, Cha has developed advanced semiconductor memory devices and memory systems, which include methods for operating these systems. The semiconductor memory device encompasses a memory cell array, an error correction circuit, an error log register, and a control logic circuit. This design optimizes the management of memory bank arrays, featuring multiple pages. The control logic circuit is particularly effective in directing the error correction circuit to execute ECC decoding sequentially on designated pages, allowing for the detection of bit errors. In response to commands from a memory controller, it performs error logging to document page error occurrences, significantly enhancing memory reliability.

Career Highlights: Currently, Sang-Uhn Cha is associated with Samsung Electronics Co., Ltd., a leading technology company renowned for its innovative advancements in the electronics sector. Throughout his career, Cha's expertise in semiconductor technologies has propelled numerous projects, establishing him as a key figure in the innovation of memory systems.

Collaborations: Cha has collaborated closely with notable colleagues, including Hoi-ju Chung and Ye-Sin Ryu, to drive forward the development of sophisticated memory solutions. This teamwork emphasizes the collaborative nature of innovation within the technology landscape.

Conclusion: Sang-Uhn Cha's prolific inventiveness and dedication to semiconductor memory technology continue to influence advancements in the industry. His latest patents demonstrate a commitment to enhancing the functionality and reliability of memory systems, solidifying his status as an influential inventor in the field.

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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