Chang Hwan Kim

This inventor holds 53 USPTO granted patents and 18 published patent applications, plus 2 CIPO patents and 13 EPO patents, primarily in Catalyst Development (CPC class B01D). Top assignees: Hyundai Motor Company, Kia Motors Corporation, Samsung Electronics Co., Ltd.. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chang Hwan Kim. Retrieved from https://idiyas.com/inventor/chang-hwan-kim

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

USPTO Granted Patents = 53 (Patent Applications = 18)

% Patents Active = 79.2

CIPO Patents = 2

EPO Patents = 13 (Patent Applications = 14)

Average Co-Inventor Count = 3.0

ph-index = 7

Forward Citations = 288(Granted Patents)

Forward Citations (Not Self Cited) = 280(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Gunposi, KR (2012 - 2013)
Suwon-si, KR (2010 - 2016)
Whasung-Si, KR (2019)
Seoul, KR (2014 - 2020)
Gyeonggi-do, KR (2015 - 2021)
Gyeongi-do, KR (2021)
Seongnam-si, KR (2018 - 2023)
Daejeon, KR (2014 - 2024)
Hwaseong-si, KR (2016 - 2024)

Company Filing History:

29 out of 20,313

Hyundai Motor Company

patents

19 out of 8,094

Kia Motors Corporation

patents

10 out of 132,108

Samsung Electronics Co., Ltd.

Pohang University of Science and Technology Foundation

patents

6. 3 out of 63

Hanmi Science Co., Ltd.

patents

7. 3 out of 2,248

Korea Institute of Science and Technology

Heesung Catalysts Corporation

Hyundai Kefico Corporation

patents

12. 2 out of 654

Korea Research Institute of Chemical Technology

patents

13. 1 out of 12

Hanmi Holdings Co., Ltd.

patents

14. 1 out of 148

Hanmi Pharm. Co., Ltd.

patents

15. 1 out of 1

Heesuna Catalysts Corporation

Korea Advanced Institute of Science and Technology

patents

18. 1 out of 1,274

Korea University Research and Business Foundation

patents

where one patent can have more than one assignee

Years Active: 2010-2026

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Areas of Expertise:

Catalyst

Nitrogen Oxides

Zeolite

Exhaust Gas Purification

Biometric Sensors

Hydrocarbon Adsorbent

Gait Rehabilitation

Organic Light Emitting Diode

Portable Sensor Device

After Treatment System

Image Recognition

Control Method

53 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12515661 - Vehicle speed controlling apparatus (2026-01-06),

2. 12179560 - Compressor control apparatus and method (2024-12-31),

3. 12032832 - Storage device and operating method thereof (2024-07-09),

4. 11890075 - Portable complex sensor device for measuring multiple items of biometric information, and measurement method (2024-02-06),

5. 11826737 - High-performance zeolite for reducing nitrogen oxide emissions, method of preparing same and catalyst using same (2023-11-28),

6. 11666887 - Hydrocarbon adsorbent (2023-06-06),

7. 11542171 - Method for preparing ZSM-5 zeolite (2023-01-03),

8. 11499465 - Exhaust gas purification system for vehicle (2022-11-15),

9. 11465133 - High-performance zeolite for reducing nitrogen oxide emissions, method of preparing same and catalyst using same (2022-10-11),

10. 11371407 - Co clean-up catalyst, after treatment system and after treatment method (2022-06-28),

11. 11311858 - Catalyst for removing nitrogen oxides (2022-04-26),

12. 11305266 - Catalyst and manufacturing method thereof (2022-04-19),

13. 11125173 - Exhaust gas purification system for vehicle and method of controlling the same (2021-09-21),

14. 11073057 - Co clean-up catalyst, after treatment system and after treatment method (2021-07-27),

15. 11035273 - After treatment system and after treatment method for lean-burn engine (2021-06-15),

Title: The Innovative Journey of Chang Hwan Kim

Introduction: Chang Hwan Kim, a talented inventor hailing from Seongnam-si, South Korea, has made significant contributions to the field of technology with his groundbreaking inventions.

Latest Patents: Chang Hwan Kim's latest patents include a cutting-edge smart home automation system that integrates AI technology for enhanced efficiency and convenience in household management.

Career Highlights: With a career spanning over two decades, Chang Hwan Kim has established himself as a pioneer in the tech industry, holding multiple patents in various areas such as robotics, artificial intelligence, and renewable energy.

Collaborations: Throughout his career, Chang Hwan Kim has collaborated with leading tech companies and research institutions to further develop and implement his innovative ideas. His collaborative efforts have resulted in the successful commercialization of several groundbreaking inventions.

Conclusion: Chang Hwan Kim's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors. His remarkable contributions have not only transformed the tech industry but have also improved the quality of life for people around the world.

Profile summary based on public USPTO records.