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For the Inventor, By the Inventor

Seoul, South Korea

Hun-Dae Choi

This inventor holds 27 USPTO granted patents and 2 published patent applications, primarily in Semiconductor Memory Devices. Top assignee: Samsung Electronics Co., Ltd.. Active years: 2012-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hun-Dae Choi. Retrieved from https://idiyas.com/inventor/hun-dae-choi

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

USPTO Granted Patents = 27 

% Patents Active = 77.8

Average Co-Inventor Count = 2.0

ph-index = 5

Forward Citations = 73(Granted Patents)


Location History:

  • Seoul, KR (2012 - 2022)
  • Hwaseong-si, KR (2019 - 2024)

Company Filing History:

goldMedal27 out of 132,108 
 
Samsung Electronics Co., Ltd.
 patents

Years Active: 2012-2024

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Areas of Expertise:
Delay Locked Loop
Memory Device
Calibration Circuit
Semiconductor Memory
Output Buffer
Latency Control
ZQ Calibration
Command Window Generator
Slew Rate Calibration
On-Die Termination
Parity Check
Clock Correction
27 patents (USPTO):Explore Patents
1. 11888489 - Delay locked loop including replica fine delay circuit and memory device including the same (2024-01-30),
2. 11651813 - Clock correction circuit and memory system comprising the clock correction circuit (2023-05-16),
3. 11342011 - Semiconductor memory device and operating method of semiconductor memory device to reduce duty errors (2022-05-24),
4. 10923181 - Semiconductor memory device and memory system having the same (2021-02-16),
5. 10878869 - Memory device including common mode extractor (2020-12-29),
6. 10861516 - Semiconductor memory device and operating method of semiconductor memory device (2020-12-08),
7. 10748585 - Calibration circuit including common node shared by pull-up calibration path and pull-down calibration path, and semiconductor memory device including the same (2020-08-18),
8. 10727826 - Delay-locked loop circuit, semiconductor memory device, and methods of operating delay-locked loop circuit (2020-07-28),
9. 10600458 - Memory device and method of operating the same for latency control (2020-03-24),
10. 10530371 - Delay locked loop to cancel offset and memory device including the same (2020-01-07),
11. 10491223 - Memory device including a delay locked loop and operating method of the memory device (2019-11-26),
12. 10367490 - Electronic circuits for outputting post emphasis signals (2019-07-30),
13. 10320398 - Delay locked loop to cancel offset and memory device including the same (2019-06-11),
14. 10283176 - Delay-locked loop circuit and semiconductor memory device including the same (2019-05-07),
15. 10276220 - ZQ calibration method of memory device with shared ZQ pin and memory device performing the ZQ calibration method (2019-04-30),

Title: Innovations and Contributions of Hun-Dae Choi

Introduction: Hun-Dae Choi, an accomplished inventor based in Seoul, South Korea, has made significant strides in the field of electronics and memory devices. With a remarkable portfolio of 27 patents, Choi has established himself as a leading figure in technology innovation, particularly in the realm of delay locked loops and memory systems.

Latest Patents: Choi's recent patents showcase his expertise and innovative thinking. One of his notable patents is for a "Delay locked loop including replica fine delay circuit and memory device including the same," which describes a complex system that involves a series of delay circuits and a phase detector aimed at improving clock signal accuracy. Another significant patent is for a "Clock correction circuit and memory system comprising the clock correction circuit," where Choi's invention focuses on enhancing the correction accuracy of duty cycles in clock signals. These inventions reflect Choi’s commitment to advancing electronic systems.

Career Highlights: Currently, Choi is employed at Samsung Electronics Co., Ltd., a leading tech giant known for its groundbreaking developments in electronic products. Over his career, he has made substantial contributions to technology, focusing on improving the performance and reliability of electronic components through his inventive designs.

Collaborations: Throughout his career, Choi has collaborated with talented individuals in the industry, including notable coworkers like Han-gi Jung and Juho Jeon. Together, they have been instrumental in driving innovation within their projects, contributing to the advancement of technologies at Samsung Electronics.

Conclusion: Hun-Dae Choi's contributions to the field of electronics are commendable, with his 27 patents highlighting his innovative spirit and dedication to improving technological solutions. As he continues to work with esteemed colleagues at Samsung Electronics Co., Ltd., the future holds great promise for further advancements in technology spearheaded by Choi's ingenuity.

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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