Coway Co., Ltd, headquartered in Gongju, South Korea, specializes in the development and manufacturing of advanced water purification and air purification systems. The company focuses on innovative technologies that enhance indoor air quality and provide clean drinking water, including products such as water purifiers, air purifiers, humidifiers, and ice makers. Coway is also known for its expertise in filter media and cooling devices, as well as wellness products like massage chairs, reflecting its commitment to improving consumer health and comfort.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

214 Patents

#1 in Gongju

#104 in South Korea

#3,996 in the World

Gongju, South Korea

Coway Co., Ltd

Forward Citations = 1,289

311 inventors:

Sang-Woo Kang (17 out of 28 patents)

Chan-Jung Park (16 out of 17 patents)

Sang-Hyeon Kang (15 out of 15 patents)

4. Jun-Hyoung Bae (14 out of 14 patents)

5. Hyoung-Min Moon (13 out of 15 patents)

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

60 patents (EPO):

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]