Sangjun Lee

This inventor holds 21 USPTO granted patents and 14 published patent applications, plus 1 CIPO patent and 3 EPO patents, primarily in Washing Machine Technology. Top assignees: Lg Electronics Inc., Samsung Electronics Co., Ltd., Lg Display Co., Ltd.. Active years: 2015-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sangjun Lee. Retrieved from https://idiyas.com/inventor/sangjun-lee

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

Calculating rank

USPTO Granted Patents = 21 (Patent Applications = 14)

% Patents Active = 95.2

CIPO Patents = 1

EPO Patents = 3 (Patent Applications = 6)

Average Co-Inventor Count = 3.4

ph-index = 3

Forward Citations = 16(Granted Patents)

Location History:

Changwon-si, KR (2015)
Seoul, KR (2015 - 2022)
Suwon-si, KR (2022 - 2024)
Cheonan-si, KR (2024)

Company Filing History:

Samsung Electronics Co., Ltd.

Hyundai Motor Company

patents

7. 1 out of 2,253

Korea Institute of Science and Technology

where one patent can have more than one assignee

Years Active: 2015-2026

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Areas of Expertise:

Power Converter

Integrated Circuit

Thin-Film Structure

Semiconductor Device

Foldable Display

Washing Machine

Control Method

Light Emitting Device

Liquid Crystal Display

Visualization Apparatus

Pulsator

Planetary Gear

21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12614979 - Power converter integrated circuit (2026-04-28),

2. 12595615 - Washing machine (2026-04-07),

3. 12573522 - Thin-film structure and semiconductor device comprising the same (2026-03-10),

4. 12396112 - Foldable display apparatus (2025-08-19),

5. 12289981 - Foldable display device (2025-04-29),

6. 12022052 - Method and apparatus for 3D reconstruction of planes perpendicular to ground (2024-06-25),

7. 11860083 - Apparatus and method of testing an object within a dry gas environment (2024-01-02),

8. 11783507 - Camera calibration apparatus and operating method (2023-10-10),

9. 11734852 - Slope estimating apparatus and operating method thereof (2023-08-22),

10. 11359318 - Method for controlling washing machine (2022-06-14),

11. 11288833 - Distance estimation apparatus and operating method thereof (2022-03-29),

12. 10744884 - Vehicle and method for controlling the same (2020-08-18),

13. 10253442 - Top-loading type washing machine (2019-04-09),

14. 10077520 - Washing machine with pulsator and planetary gear device (2018-09-18),

15. 9752268 - Control method of washing machine (2017-09-05),

Title: Innovations of Sangjun Lee

Introduction

Sangjun Lee is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of display technology, holding a total of 21 patents. His work focuses on foldable display apparatuses and devices, showcasing his innovative approach to modern technology.

Latest Patents

One of his latest patents is a foldable display apparatus. This apparatus includes a display panel, first and second set housings arranged in a first direction, and a hinge assembly that connects the two housings. The hinge assembly allows the housings to rotate inward to in-fold the display panel, positioning it between the two housings. It can also rotate outward to out-fold the display panel, ensuring that the display is flat when unfolded. Another notable patent is for a foldable display device that incorporates stretchability in the outermost area of the folding area. This design reduces stress and minimizes the risk of cracks, enhancing the durability of the device.

Career Highlights

Sangjun Lee has worked with leading companies in the technology sector, including LG Electronics Inc. and LG Display Co., Ltd. His experience in these organizations has allowed him to develop cutting-edge technologies that push the boundaries of display innovation.

Collaborations

Throughout his career, Sangjun has collaborated with talented individuals such as Youngjong Kim and BumDoo Park. These partnerships have contributed to the advancement of his projects and the successful development of his patents.

Conclusion

Sangjun Lee's innovative work in foldable display technology has positioned him as a key figure in the industry. His patents reflect a commitment to enhancing user experience through advanced design and functionality.

Profile summary based on public USPTO records.