Ji Han Kim

This inventor holds 12 USPTO granted patents and 4 published patent applications, plus 1 CIPO patent and 1 EPO patent. Top assignees: Sapien Semiconductors Inc., Boryung Pharmaceutical Co., Ltd., Boryung Corporation. Active years: 1999-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ji Han Kim. Retrieved from https://idiyas.com/inventor/ji-han-kim-oo6wocml

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

USPTO Granted Patents = 12 (Patent Applications = 4)

% Patents Active = 91.7

CIPO Patents = 1 (Patent Applications = 2)

EPO Patents = 1 (Patent Applications = 7)

Average Co-Inventor Count = 5.0

ph-index = 2

Forward Citations = 9(Granted Patents)

Company Filing History:

8 out of 42

Sapien Semiconductors Inc.

patents

3 out of 12

Boryung Pharmaceutical Co., Ltd.

Years Active: 1999-2026

Loading Chart...

12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12600718 - Method for preparing compound as PI3K inhibitor and intermediate compound for preparing same (2026-04-14),

2. 12548518 - Pixel, display device reducing static power consumption and driving method thereof (2026-02-10),

3. 12183269 - Pulse width modulation (PWM) control apparatus and method for improving dynamic false contour of display device (2024-12-31),

4. 12175937 - Pixel, display device reducing static power consumption and driving method thereof (2024-12-24),

5. 12136385 - Pixel and display apparatus digitally controlling reset of memory (2024-11-05),

6. 12112699 - Pixel driving circuit having reduced number of contacts (2024-10-08),

7. 12112667 - Pixel and display apparatus capable of controlling test function preliminary class (2024-10-08),

8. 11922860 - Pixel and display apparatus of which static power consumption is reduced (2024-03-05),

9. 11776462 - Pulse width modulation (PWM) control apparatus and method for improving dynamic false contour of display device (2023-10-03),

10. 9227955 - Compound having angiogenesis inhibitory activity, method for preparing same, and pharmaceutical composition comprising same (2016-01-05),

11. 8765776 - Antihypertensive pharmaceutical composition (2014-07-01),

12. 5869476 - Pyrimidinone derivatives (1999-02-09),

Title: Innovations of Ji Han Kim

Introduction

Ji Han Kim is a prominent inventor based in Seoul, South Korea. He holds a total of 10 patents, showcasing his significant contributions to the field of display technology. His work focuses on improving the performance and efficiency of display devices.

Latest Patents

One of his latest patents is a pulse width modulation (PWM) control apparatus and method for improving dynamic false contour of display devices. This invention enhances the display apparatus by controlling the order of a plurality of modulated pulses for an emission time set within one frame. Additionally, it divides pulses corresponding to the most significant bit (MSB) and the second significant bit (MSB-1) of image data into sub-pulses for output. Another notable patent is a pixel driving circuit designed to reduce static power consumption. This circuit minimizes power usage by decreasing the frequency of capacitor charging, thereby improving the efficiency of light-emitting devices.

Career Highlights

Throughout his career, Ji Han Kim has worked with notable companies such as Sapien Semiconductors Inc. and Boryung Pharmaceutical Co., Ltd. His experience in these organizations has contributed to his expertise in display technology and innovation.

Collaborations

Ji Han Kim has collaborated with several professionals in his field, including Ji Haeng Lee and Dae Young Jung. These partnerships have fostered a collaborative environment that encourages innovation and the development of new technologies.

Conclusion

Ji Han Kim's contributions to display technology through his patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence advancements in display devices, making significant strides in efficiency and performance.

Profile summary based on public USPTO records.