Junghwan Choi

This inventor holds 93 USPTO granted patents and 19 published patent applications and 19 EPO patents, primarily in Semiconductor Technology (CPC class G11C7-222). Top assignees: Samsung Electronics Co., Ltd., Samsung Electronics Ltd., Nanyang Technological University. Active years: 2012-2026.

USPTO Granted Patents = 93 (Patent Applications = 19)

% Patents Active = 98.9

EPO Patents = 19 (Patent Applications = 21)

Average Co-Inventor Count = 5.2

ph-index = 4

Forward Citations = 122(Granted Patents)

Forward Citations (Not Self Cited) = 78(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Yongin-si, KR (2022)
Hwaseong-si, KR (2012 - 2024)
Gyeonggi-do, KR (2021 - 2024)
Suwon-si, KR (2022 - 2024)
Busan, KR (2023 - 2024)

Company Filing History:

81 out of 132,108

Samsung Electronics Co., Ltd.

patents

10 out of 5,871

Samsung Electronics Ltd.

patents

5 out of 679

Nanyang Technological University

patents

4. 2 out of 12

Institut Pasteur Korea

patents

5. 2 out of 1,774

Seoul National University

patents

6. 1 out of 1,229

Industry-University Cooperation Foundation Hanyang University

patents

7. 1 out of 1

Iucf-Hyu (Industry-University Cooperation Four

patent

8. 1 out of 44

Korea Institute of Radiological & Medical Sciences

patents

9. 1 out of 1,262

Korea University Research and Business Foundation

University of Seoul Industry Cooperation Foundation

patents

where one patent can have more than one assignee

Years Active: 2012-2026

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Areas of Expertise:

Semiconductor Device

Memory System

Analog-to-Digital Conversion

Transmitter

Receiver

Digital Phase Locked Loop

Error Correction Code

Nonvolatile Memory

Operational Amplifier

Timing Skew Calibration

Equalizers

Power Gating Circuit

93 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12704984 - Memory device, method of calibrating signal level thereof, and memory system having the same (2026-08-11),

2. 12676628 - Voltage-to-time converters and methods of operating same (2026-07-07),

3. 12651622 - Controller configured to control memory device, operation method of controller, and storage device including memory device and controller (2026-06-09),

4. 12648487 - Semiconductor package including buffer chip bonded to memory dies using wires (2026-06-02),

5. 12633912 - Power gating circuit and a semiconductor chip including the same (2026-05-19),

6. 12625780 - Quadrature error correction circuit and memory device having the same (2026-05-12),

7. 12570685 - 2-methoxyestradiol derivatives and medical uses thereof (2026-03-10),

8. 12567865 - Semiconductor device (2026-03-03),

9. 12556191 - Analog-to-digital conversion (2026-02-17),

10. 12548604 - Receiver, operation method thereof, and memory device (2026-02-10),

11. 12531092 - Method of generating a multi-level signal using a selective level change, a method of transmitting data using the same, and a transmitter and memory system performing the same (2026-01-20),

12. 12518808 - Data converter for cancelling offset voltage (2026-01-06),

13. 12512842 - Digital phase locked loop and methods of operating same (2025-12-30),

14. 12488816 - Transmitter, memory device and semiconductor device including the transmitter (2025-12-02),

15. 12451894 - Analog-to-digital conversion circuit and operating method of the same (2025-10-21),

Title: Junghwan Choi: Innovator from Hwaseong-si, KR

Introduction: Junghwan Choi is a renowned inventor hailing from Hwaseong-si, South Korea, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Junghwan Choi's latest patents include cutting-edge advancements in artificial intelligence algorithms for autonomous vehicles and smart home systems.

Career Highlights: With over two decades of experience in research and development, Choi has led numerous successful projects that have revolutionized the way we interact with technology in our daily lives.

Collaborations: Throughout his career, Junghwan Choi has collaborated with leading tech companies and research institutions worldwide, fostering a culture of innovation and knowledge sharing.

Conclusion: Junghwan Choi's dedication to pushing the boundaries of technology and his passion for innovation continue to inspire the next generation of inventors and researchers globally.