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For the Inventor, By the Inventor

Seoul, South Korea

Kijun Lee

USPTO Granted Patents = 56 

 

Average Co-Inventor Count = 4.6

ph-index = 7

Forward Citations = 126(Granted Patents)

Forward Citations (Not Self Cited) = 118(Dec 10, 2025)


Location History:

  • Gyeonggi-do, KR (2017)
  • Ansan-si, KR (2021)
  • Seoul, KR (2013 - 2024)
  • Suwon-si, KR (2023 - 2024)

Company Filing History:

goldMedal55 out of 131,611 
 
Samsung Electronics Co., Ltd.
 patents
silverMedal2 out of 658 
 
Postech Academy-industry Foundation
 patents
bronzeMedal1 out of 49,705 
 
Lg Electronics Inc.
 patents
where one patent can have more than one assignee

Years Active: 2013-2025

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Areas of Expertise:
Memory Devices
Error Correction Code
Semiconductor Memory
Memory Systems
Row Hammer Management
Integrated Circuit Layouts
Memory Controllers
Nonvolatile Memory
Data Refresh Methods
Error Detection
Cyclic Redundancy Check
Data Encoding
56 patents (USPTO):Explore Patents
1. 12423182 - Memory device and operation method thereof (2025-09-23),
2. 12417143 - Memory system, method of operating the same, and electronic system including the same (2025-09-16),
3. 12379855 - Semiconductor memory device including a cyclic redundancy check engine and memory system including the same (2025-08-05),
4. 12354689 - Error correction code circuit, memory device including error correction code circuit, and operation method of error correction code (2025-07-08),
5. 12354637 - Memory devices and methods thereof for managing row hammer events therein (2025-07-08),
6. 12347477 - Integrated circuit memory devices having efficient row hammer management and memory systems including the same (2025-07-01),
7. 12334953 - Memory controllers and memory systems including the same (2025-06-17),
8. 12315559 - Latch-based storage circuits having efficient integrated circuit layouts (2025-05-27),
9. 12288578 - Semiconductor memory device and method of operating the same (2025-04-29),
10. 12236996 - Memory device and refresh method thereof (2025-02-25),
11. 12236991 - Memory device performing refresh operation and method of operating the same (2025-02-25),
12. 12212339 - Error correction circuit, memory system, and error correction method (2025-01-28),
13. 12176919 - Error correction code circuit, memory device including error correction code circuit, and operation method of error correction code circuit (2024-12-24),
14. 12066893 - Semiconductor memory devices (2024-08-20),
15. 12057184 - Memory systems having memory devices therein with enhanced error correction capability and methods of operating same (2024-08-06),

Introduction

Kijun Lee is a notable inventor based in Seoul, South Korea, recognized for his significant contributions to memory device technology. With a remarkable portfolio of 43 patents, Lee has been instrumental in advancing the capabilities and efficiency of memory devices in various electronic applications.

Latest Patents

Among Lee's most recent innovations is the patent for a memory device performing refresh operations and the method of operating the same. This invention features a memory cell array, an address manager, and a refresh controller designed to enhance the memory refresh process. The address manager plays a crucial role by sampling access addresses from a memory controller to generate sampling addresses and determining a capture address based on the timing of refresh commands.

Another notable patent is for an error correction code circuit in a memory device, which incorporates a memory cell array that stores first data and parity data. This circuit performs ECC decoding to produce error-corrected data and a decoding status flag. The system is equipped with a syndrome generator, a syndrome decoding circuit, and a correction logic circuit, ensuring high reliability and data integrity within memory operations.

Career Highlights

Kijun Lee has had a distinguished career, having worked with renowned companies such as Samsung Electronics and the Postech Academy-Industry Foundation. His association with such leading organizations underscores his expertise and the impact of his work in the field of memory technologies.

Collaborations

Throughout his innovative journey, Lee has collaborated with notable colleagues, including Myungkyu Lee and Sunghye Cho. Their teamwork has contributed to the advancement of memory device functionalities, highlighting the importance of collaboration in technological research and development.

Conclusion

Kijun Lee continues to push the boundaries of memory technology with his inventive spirit and dedication. His patents not only reflect his personal achievements but also contribute significantly to the broader field of electronics, ensuring that devices operate with greater efficiency and reliability.

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