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For the Inventor, By the Inventor

Seoul, South Korea

Ji Hwan Kim

This inventor holds 56 USPTO granted patents and 10 published patent applications, primarily in Vehicle Seat Technology. Top assignees: Skhynix Inc., Hyundai Motor Company, Kia Corporation. Active years: 2009-2026.

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

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

Calculating rank
USPTO Granted Patents = 56 

% Patents Active = 89.3

Average Co-Inventor Count = 3.1

ph-index = 4

Forward Citations = 73(Granted Patents)

Forward Citations (Not Self Cited) = 62(Dec 10, 2025)


Location History:

  • Icheon-si, KR (2015 - 2018)
  • Seoul, KR (2009 - 2023)
  • Gyeonggi-do, KR (2020 - 2023)
  • Suwon-si, KR (2017 - 2024)

Company Filing History:

goldMedal21 out of 11,747 
 
Skhynix Inc.
 patents
silverMedal18 out of 20,518 
 
Hyundai Motor Company
 patents
bronzeMedal14 out of 6,003 
 
Kia Corporation
 patents
4. 7 out of 238 
 
Hyundai Transys Incorporated
 patents
5. 5 out of 1,037 
 
Mando Corporation
 patents
6. 5 out of 7,950 
 
Samsung Electro-Mechanics Co., Ltd.
 patents
7. 4 out of 8,094 
 
Kia Motors Corporation
 patents
8. 4 out of 138,671 
 
Samsung Electronics Co., Ltd.
 patents
9. 3 out of 24 
 
Das Corporation
 patents
10. 3 out of 3 
 
Poled Co., Ltd.
 patents
11. 2 out of 9 
 
Daewon Precision Industrial Co., Ltd
 patents
12. 2 out of 5 
 
Hyundai Ind. Co., Ltd.
 patents
13. 1 out of 29 
 
Daechang Seat Co.,ltd-Dongtan
 patents
14. 1 out of 57 
 
Das Co., Ltd.
 patents
15. 1 out of 354 
 
Fairchild Korea Semiconductor Ltd.
 patents
16. 1 out of 6,228 
 
Hynix Semiconductor Inc.
 patents
17. 1 out of 85 
 
Solum Co., Ltd.
 patents
18. 1 out of 150 
 
University of Seoul Industry Cooperation Foundation
 patents
where one patent can have more than one assignee

Years Active: 2009-2026

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Areas of Expertise:
Power Swivel Device
Child Seat Automation
Armrest Assembly
Height Adjustment
Motor Controller
Tiltless OIS Circuit
Infrared Image Sensor
Electric Control Unit
Semiconductor Memory Device
Data Storage Device
Seat Reclining Device
Steering System
56 patents (USPTO):Explore Patents
1. 12728783 - Headrest having a speaker (2026-09-08),
2. 12654598 - Device for height adjustment and swivel of vehicle seat (2026-06-16),
3. 12559000 - Height adjustment device and swivel device for vehicle seat (2026-02-24),
4. 12558999 - Power swivel device for seat (2026-02-24),
5. 12491799 - Power swivel apparatus of seat for vehicle (2025-12-09),
6. 12454206 - Motor driven child seat for vehicle (2025-10-28),
7. 12451646 - Power supply device of motor-driven child seat for vehicle (2025-10-21),
8. 12403805 - Armrest assembly of rear seat for vehicle (2025-09-02),
9. 12391162 - Armrest assembly for rear seat of vehicle (2025-08-19),
10. 12377762 - System and method for controlling motor-driven child seat for vehicle (2025-08-05),
11. 12280699 - Convenience apparatus for rear seat passenger and operation control method thereof (2025-04-21),
12. 12269383 - Ventilation and heating apparatus for child seat (2025-04-08),
13. 12261021 - Apparatus and method for treating substrate (2025-03-25),
14. 12122278 - Headrest having a speaker (2024-10-22),
15. 11997385 - Tiltless optical image stabilization (OIS) circuit and OIS device (2024-05-28),

Title: Ji Hwan Kim - Innovative Inventor from Seoul

Introduction: Ji Hwan Kim is a renowned inventor hailing from Seoul, South Korea, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Ji Hwan Kim holds several patents in the areas of artificial intelligence, robotics, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Ji Hwan Kim has worked with leading tech companies and research institutions, consistently pushing the boundaries of what is possible in the world of innovation.

Collaborations: Throughout his career, Ji Hwan Kim has collaborated with top engineers, scientists, and designers from around the globe, fostering a culture of creativity and excellence in all his projects.

Conclusion: Ji Hwan Kim's passion for innovation and his relentless pursuit of technological advancement make him a true pioneer in the world of inventors, leaving a lasting impact on the industry and inspiring future generations of innovators.

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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