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For the Inventor, By the Inventor

Daejeon, South Korea

Hanon Systems

Calculating rank
USPTO Granted Patents = 867

% Expired Patents = 0.35



Trademarks = 4

Forward Citations = 1,113

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1,032 inventors (with patents filed for the assignee):

goldMedal Sung Je Lee (40 out of 42 patents)

silverMedal Hae Jun Lee (28 out of 29 patents)

bronzeMedal Soo Cheol Jeong (27 out of 31 patents)

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

5.  Marc Graaf (25 out of 32 patents)

6.  Tae Yong Park (22 out of 22 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.  Tae Wan Kim (20 out of 69 patents)

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

12.  Eric William Kesler (20 out of 28 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

867 patents:

1. 12774860 - Plate heat exchanger (2026-10-27),
2. 12768602 - Manifold refrigerant module (2026-10-20),
3. 12766927 - Heat pump system for vehicle (2026-10-20),
4. 12766923 - Vehicle air conditioner and control method therefor (2026-10-20),
5. 12766912 - Fluid-controlling valve assembly (2026-10-20),
6. 12766523 - Electrification unit and electrostatic precipitator comprising same (2026-10-20),
7. 12763627 - Toroidal motor (2026-10-13),
8. 12760805 - Valve assembly for controlling fluid (2026-10-13),
9. 12759371 - Device for reducing the noise of motor vehicle air conditioning units (2026-10-13),
10. 12756279 - BLDC motor controller (2026-10-06),
11. 12756258 - Arrangement for guiding electrical connections through an opening of a housing and compressor for a refrigerant with an arrangement for guiding electrical connections through an opening of a housing (2026-10-06),
12. 12753974 - Cooling module (2026-10-06),
13. 12752600 - Complex motor and heater driving circuit, and control system therefor (2026-10-06),
14. 12747814 - Connector for piping (2026-09-29),
15. 12747619 - Air conditioner for a vehicle and its manufacture (2026-09-29),
Company Overview
Hanon Systems, headquartered in Daejeon, South Korea, specializes in advanced vehicle air conditioning technologies. The company focuses on developing innovative solutions such as heat exchangers, electric compressors, and thermal management systems to enhance vehicle climate control. With a commitment to sustainability, Hanon Systems also works on HVAC door systems, refrigerant circulating apparatus, and heat pump systems, contributing to the evolution of automotive engineering and energy efficiency in transportation.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

867 Patents

#3 in Daejeon

#35 in South Korea

#1,151 in the World

Daejeon, KR
Daejeon, South Korea

Hanon Systems

Forward Citations = 1,113

1,032 inventors:

goldMedal Sung Je Lee (40 out of 42 patents)

silverMedal Hae Jun Lee (28 out of 29 patents)

bronzeMedal Soo Cheol Jeong (27 out of 31 patents)

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

5.  Marc Graaf (25 out of 32 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hanon Systems. Retrieved from https://idiyas.com/company/hanon-systems

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

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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