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For the Inventor, By the Inventor

Asan, South Korea

Doowon Electronic Co., Ltd.

USPTO Granted Patents = 11

% Expired Patents = 27.3


Forward Citations = 21

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29 inventors (with patents filed for the assignee):

goldMedal Geon Ho Lee (6 out of 7 patents)

silverMedal Geonho Lee (3 out of 4 patents)

bronzeMedal Ki Beom Kim (3 out of 3 patents)

4.  Hak Soo Kim (2 out of 2 patents)

5.  Ki Jung An (2 out of 2 patents)

6.  In Hwe Koo (2 out of 7 patents)

7.  Geon-ho Lee (2 out of 4 patents)

8.  Young-Chang Han (2 out of 3 patents)

9.  Frank Obrist (1 out of 59 patents)

10.  Ik Seo Park (1 out of 1 patent)

11.  Jae Seok Park (1 out of 1 patent)

12.  Tae-jin Lee (1 out of 3 patents)

13.  Ki-beom Kim (1 out of 2 patents)

14.  Seok Bong Lee (1 out of 1 patent)

15.  Inhwe Koo (1 out of 1 patent)


11 patents:

1. 9022061 - Displacement control valve for variable displacement compressor (2015-05-05),
2. 8858197 - Compressor with sensor and valve plate arrangement (2014-10-14),
3. 8671976 - Exhaust check valve of swash plate compressor (2014-03-18),
4. 8550797 - Scroll compressor with improved back pressure force control function (2013-10-08),
5. 8517695 - Variable displacement swash plate type compressor (2013-08-27),
6. 8485803 - Scroll compressor comprising oil separating driving shaft (2013-07-16),
7. 8485794 - Reciprocating compressor with rotary valve (2013-07-16),
8. 8075291 - Scroll compressor improved in function of oil circulation and back pressure control (2011-12-13),
9. 7955141 - Inverter connection terminal with cables attached to parts of the terminal projecting from upper and lower surfaces of a plate (2011-06-07),
10. 7802512 - Assembly structure of drive shaft and swash plate in swash plate type compressor (2010-09-28),
11. 7757597 - Variable displacement swash plate type compressor with smooth inclined moving feature (2010-07-20),
Company Overview
Doowon Electronic Co., Ltd. is a prominent player in the automotive components sector, specializing in the development and manufacturing of advanced electronic systems and parts. The company focuses on enhancing vehicle performance and safety through innovative technologies, including automotive sensors and control units. Based in Asan, South Korea, Doowon is committed to research and development, driving advancements in automotive engineering to meet the evolving demands of the global market.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

11 Patents

#10 in Asan

#1,014 in South Korea

#51,801 in the World

Asan, KR
Asan, South Korea

Doowon Electronic Co., Ltd.

Forward Citations = 21

29 inventors:

goldMedal Geon Ho Lee (6 out of 7 patents)

silverMedal Geonho Lee (3 out of 4 patents)

bronzeMedal Ki Beom Kim (3 out of 3 patents)

4.  Hak Soo Kim (2 out of 2 patents)

5.  Ki Jung An (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Doowon Electronic Co., Ltd.. Retrieved from https://idiyas.com/company/doowon-electronic-company

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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