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For the Inventor, By the Inventor

Gyeonggi-do, South Korea

Hyung Jin Choi

This inventor holds 83 USPTO granted patents and 27 published patent applications and 5 EPO patents, primarily in Nonvolatile Memory Devices. Top assignees: Skhynix Inc., Samsung Electronics Co., Ltd., Other. Active years: 2003-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hyung Jin Choi. Retrieved from https://idiyas.com/inventor/hyung-jin-choi

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

USPTO Granted Patents = 83 

% Patents Active = 92.8


Average Co-Inventor Count = 1.4

ph-index = 3

Forward Citations = 106(Granted Patents)

Forward Citations (Not Self Cited) = 94(Dec 10, 2025)


Location History:

  • Seongnam, KR (2004 - 2006)
  • Sungnam, KR (2006 - 2007)
  • Ulsan, KR (2021 - 2022)
  • Gyeonggi-do, KR (2003 - 2024)
  • Icheon-si Gyeonggi-do, KR (2021 - 2024)
  • Icheon-si, KR (2022 - 2024)

Company Filing History:

goldMedal75 out of 11,659 
 
Skhynix Inc.
 patents
silverMedal7 out of 132,108 
 
Samsung Electronics Co., Ltd.
 patents
bronzeMedal1 out of 834,513 
Other
 patents

Years Active: 2003-2026

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Areas of Expertise:
Nonvolatile Memory
Programming Methods
Verification Processes
Semiconductor Devices
Memory Systems
Page Buffer Circuit
Data Read Operations
Incremental Step Programming
Select Transistors
Data Storage
Memory Cells
83 patents (USPTO):Explore Patents
1. 12749545 - Semiconductor memory device and operating method thereof (2026-09-29),
2. 12744093 - Semiconductor device for performing a program operation and a method of operating the semiconductor device (2026-09-22),
3. 12738333 - Memory device for performing channel precharge operation and method for operating the same (2026-09-15),
4. 12681664 - Page buffer circuit and peripheral circuit of a memory device (2026-07-14),
5. 12640204 - Memory device (2026-05-26),
6. 12592282 - Memory device performing program operation and method of operating the same (2026-03-31),
7. 12548623 - Memory device and operating method thereof (2026-02-10),
8. 12525265 - Memory device for storing plurality of data bits and method of operating the same (2026-01-13),
9. 12505882 - Apparatus and method for programming and verifying data in a nonvolatile memory device (2025-12-23),
10. 12488845 - Apparatus and method for programming and verifying data in non-volatile memory device (2025-12-02),
11. 12482524 - Memory device, operating method of memory device, and memory system (2025-11-25),
12. 12456530 - Semiconductor device for programming or erasing select transistors and method of operating the same (2025-10-28),
13. 12456524 - Memory device, operating method thereof, and verification result generator (2025-10-28),
14. 12451204 - Memory device supporting word line holding operation and operating method of the same (2025-10-21),
15. 12451200 - Memory device related to verifying memory cells in an erase state and method of operating the memory device (2025-10-21),

Title: The Inventor Spotlight: Hyung Jin Choi

Introduction:

Hyung Jin Choi is a prolific inventor hailing from Gyeonggi-do, South Korea, with an impressive portfolio of 46 patents under his belt. His innovative spirit and dedication to advancing technology have left a mark on the semiconductor memory industry.

Latest Patents:

Among his recent patented inventions is the "Semiconductor memory apparatus and operating method thereof," which revolutionizes memory storage with features like page buffer circuits, pass/fail determination circuits, and advanced operation control mechanisms. Another notable patent is the "Apparatus and method for programming data in a non-volatile memory device," showcasing his expertise in optimizing data programming processes for non-volatile memory cells.

Career Highlights:

Hyung Jin Choi has made significant contributions to leading tech giants such as SK hynix Inc. and Samsung Electronics Co., Ltd., where his innovative prowess has driven advancements in semiconductor technology. His strategic vision and technical expertise have played a vital role in shaping the future of memory storage solutions.

Collaborations:

Throughout his career, Hyung Jin Choi has collaborated with esteemed colleagues such as Jae Hyeon Shin and Yong-seop Yoon, combining their collective knowledge and skills to push the boundaries of memory technology. These collaborations have resulted in groundbreaking innovations that have set new standards in the industry.

Conclusion:

In conclusion, Hyung Jin Choi stands as a testament to the power of innovation and ingenuity in the field of semiconductor memory technology. His remarkable patents, career achievements, and collaborative efforts underscore his commitment to driving progress and shaping the future of memory storage 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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