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For the Inventor, By the Inventor

Choongcheongnam-do, South Korea

Coway Co., Ltd.

Calculating rank
USPTO Granted Patents = 36


Forward Citations = 5

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98 inventors (with patents filed for the assignee):

goldMedal Chan Jung Park (9 out of 15 patents)

silverMedal Sung Han Yun (5 out of 5 patents)

bronzeMedal Jae Man Kim (4 out of 4 patents)

4.  Doo Won Han (4 out of 4 patents)

5.  Min Chul Yong (4 out of 4 patents)

6.  Woong Jung (3 out of 20 patents)

7.  Jong Cheol Kim (3 out of 17 patents)

8.  Hyun Kyu Lee (3 out of 23 patents)

9.  Chung Rae Kim (3 out of 3 patents)

10.  Hyoungmin Moon (3 out of 3 patents)

11.  Dong Min Oh (3 out of 4 patents)

12.  Seong Min Park (3 out of 4 patents)

13.  Hee Do Jung (3 out of 3 patents)

14.  Ju Hyun Baek (2 out of 5 patents)

15.  Ki Soo Kim (2 out of 19 patents)


Core Competencies:
Air Purifier
Water Purifier
Cold Water Tank
Antibacterial Filter
Water Mixing Device
Evaporator
Ice-Making Device
Integrated Insulation
Bidet
Composite Filter

36 patents:

1. 12780483 - Water tank (2026-11-03),
2. 12779386 - Filter holder, filter assembly, and air purifier comprising same (2026-11-03),
3. D1155778 - Air purifier (2026-10-27),
4. 12772346 - Power conversion device for electric range, and control method thereof (2026-10-20),
5. 12767558 - Cold-water making apparatus and water purifier comprising same (2026-10-20),
6. 12760951 - Ice-making evaporator and method for manufacturing ice-making evaporator (2026-10-13),
7. 12753091 - Composite filter and water purifier including same (2026-10-06),
8. D1150408 - Air purifier (2026-09-29),
9. D1150406 - Air purifier (2026-09-29),
10. 12747895 - Cold water tank assembly and manufacturing method thereof (2026-09-29),
11. 12747885 - Air purifier (2026-09-29),
12. 12741892 - Filter for controlling pH of purified water and water purifier including the same (2026-09-22),
13. D1145451 - Water purifier (2026-09-01),
14. 12724435 - Water mixing device and water purifier including the same (2026-09-01),
15. 12715750 - Cold water tank (2026-08-25),
Company Overview
Coway Co., Ltd. is a South Korean company specializing in the development and manufacturing of home wellness products, particularly air and water purification systems. The company is recognized for its innovative technologies that enhance indoor air quality and provide clean drinking water, catering to the growing demand for health-conscious living. With a strong focus on research and development, Coway aims to lead in environmental sustainability and consumer health, serving markets both domestically and internationally.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 10 2026

36 Patents

#1 in Choongcheongnam-do

#399 in South Korea

#18,777 in the World

Choongcheongnam-do, KR
Choongcheongnam-do, South Korea

Coway Co., Ltd.

Forward Citations = 5

98 inventors:

goldMedal Chan Jung Park (9 out of 15 patents)

silverMedal Sung Han Yun (5 out of 5 patents)

bronzeMedal Jae Man Kim (4 out of 4 patents)

4.  Doo Won Han (4 out of 4 patents)

5.  Min Chul Yong (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Coway Co., Ltd.. Retrieved from https://idiyas.com/company/coway

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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