For the Inventor, By the Inventor

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Choongcheongnam-do, South Korea

Coway Co., Ltd.

USPTO Granted Patents = 29

EPO Patents = 7

Forward Citations = 0

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92 inventors (with patents filed for the assignee):

Chan Jung Park (7 out of 13 patents)

Doo Won Han (4 out of 4 patents)

Sung Han Yun (4 out of 4 patents)

4. Woong Jung (3 out of 20 patents)

5. Hyoungmin Moon (3 out of 3 patents)

6. Jae Man Kim (3 out of 3 patents)

7. Dong Min Oh (3 out of 4 patents)

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

9. Hee Do Jung (3 out of 3 patents)

10. Min Chul Yong (3 out of 3 patents)

11. Jong Cheol Kim (2 out of 16 patents)

12. Ki Soo Kim (2 out of 19 patents)

13. Jae Hong Kim (2 out of 137 patents)

14. Hyun Kyu Lee (2 out of 22 patents)

15. Won Tae Kim (2 out of 28 patents)

Core Competencies:

Air Purifier

Water Purifier

Cold Water Tank

Antibacterial Filter

Water Mixing Device

Evaporator

Ice-Making Device

Integrated Insulation

Bidet

Composite Filter

29 patents: Sort by Forward Citations

1. D1150408 - Air purifier (2026-09-29),

2. D1150406 - Air purifier (2026-09-29),

3. 12747895 - Cold water tank assembly and manufacturing method thereof (2026-09-29),

4. 12747885 - Air purifier (2026-09-29),

5. 12741892 - Filter for controlling pH of purified water and water purifier including the same (2026-09-22),

6. D1145451 - Water purifier (2026-09-01),

7. 12724435 - Water mixing device and water purifier including the same (2026-09-01),

8. 12715750 - Cold water tank (2026-08-25),

9. 12692145 - Cold water tank for direct water purifier (2026-07-28),

10. 12687334 - Water purifier (2026-07-21),

11. 12674611 - Running-water-type evaporator, and ice-making device and water purification device comprising same (2026-07-07),

12. 12673281 - Water purifier (2026-07-07),

13. 12672210 - Electric stove having single free-zone burner and method for controlling same (2026-06-30),

14. 12667801 - Antibacterial filter, method for manufacturing same, and air purifier comprising same (2026-06-30),

15. 12656002 - Air purifier (2026-06-16),

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 based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

29 Patents

#1 in Choongcheongnam-do

#468 in South Korea

#22,510 in the World

Choongcheongnam-do, South Korea

Coway Co., Ltd.

Forward Citations = 0

92 inventors:

Chan Jung Park (7 out of 13 patents)

Doo Won Han (4 out of 4 patents)

Sung Han Yun (4 out of 4 patents)

4. Woong Jung (3 out of 20 patents)

5. Hyoungmin Moon (3 out of 3 patents)

Please report any incorrect information to [email protected]

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