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For the Inventor, By the Inventor

Daejeon, South Korea

Hanon Systems


USPTO Granted Patents = 851

% Expired Patents = 0.35



Trademarks = 4

Forward Citations = 1,079

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1,016 inventors (with patents filed for the assignee):

goldMedal Sung Je Lee (38 out of 40 patents)

silverMedal Soo Cheol Jeong (27 out of 31 patents)

bronzeMedal Hae Jun Lee (26 out of 27 patents)

4.  Kweon Soo Lim (25 out of 31 patents)

5.  Marc Graaf (25 out of 32 patents)

6.  Tae Yong Park (21 out of 21 patents)

7.  Navid Durrani (21 out of 22 patents)

8.  Bernd Guntermann (21 out of 23 patents)

9.  Stephan Werker (20 out of 20 patents)

10.  Kyung Jae Lee (20 out of 22 patents)

11.  Eric William Kesler (20 out of 28 patents)

12.  Tae Wan Kim (19 out of 68 patents)

13.  Hak Kyu Kim (18 out of 19 patents)

14.  Leo Somhorst (18 out of 18 patents)

15.  Jae Min Lee (18 out of 110 patents)


Core Competencies:
Heat Exchanger
Electric Compressor
Refrigerant Circulating Apparatus
Thermal Management System
HVAC Door
Air Conditioning Apparatus
Heat Pump System
Active Air Flap
Multi-Way Coolant Valve
Vapor Injection Module
Sealing Arrangement
Portable Air Cleaner

851 patents:

1. 12736142 - Ball valve and vehicle thermal management device comprising same (2026-09-15),
2. 12734860 - Manifold fluid module (2026-09-15),
3. 12729688 - Electric compressor (2026-09-08),
4. 12729687 - Electrical refrigerant compressor (2026-09-08),
5. 12729686 - Compressor sealing element arrangement near stator for controlling a gaseous fluid flow therethrough (2026-09-08),
6. 12728699 - Bypass arrangement for a heat exchanger of a refrigerant circuit of a motor vehicle (2026-09-08),
7. 12726108 - Arrangement and method for discharging a DC link capacitor (2026-09-01),
8. 12723820 - Heat exchanger (2026-09-01),
9. 12723817 - Manifold fluid module (2026-09-01),
10. 12709131 - VEHICLE HEAT PUMP SYSTEM (2026-08-18),
11. 12698772 - Electric compressor (2026-08-04),
12. 12697853 - Air-conditioning apparatus for vehicle (2026-08-04),
13. 12695362 - Electric compressor (2026-07-28),
14. 12687167 - Electric compressor (2026-07-21),
15. 12679170 - Method for controlling vehicle air- conditioning system and a compressor to which the method is applied (2026-07-14),
Hanon Systems is a leading global provider of advanced thermal and energy management solutions for the automotive sector. With a strong focus on sustainable technology, Hanon Systems develops and manufactures innovative products and technologies that optimize energy efficiency and reduce emissions. With a global presence and a commitment to customer satisfaction, Hanon Systems aims to transform the future of automotive thermal solutions.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

851 Patents

#3 in Daejeon

#38 in South Korea

#1,178 in the World

Daejeon, KR
Daejeon, South Korea

Hanon Systems

Forward Citations = 1,079

1,016 inventors:

goldMedal Sung Je Lee (38 out of 40 patents)

silverMedal Soo Cheol Jeong (27 out of 31 patents)

bronzeMedal Hae Jun Lee (26 out of 27 patents)

4.  Kweon Soo Lim (25 out of 31 patents)

5.  Marc Graaf (25 out of 32 patents)

Please report any incorrect information to [email protected]
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