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Seoul, South Korea

Chung Ho Nais Incorporation

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USPTO Granted Patents = 3

Forward Citations = 4

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1 inventor (with patents filed for the assignee):

Joung Whi Dong (3 out of 9 patents)

3 patents: Sort by Forward Citations

1. 5675973 - Thermoelectric cooling device for purified water tank (1997-10-14),

2. 5609033 - Water cooling device for water purifiers (1997-03-11),

3. 5503739 - Heat dissipating device for water purifier's thermoelement (1996-04-02),

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USPTO Data Jan 1 1976 - Nov 3 2026

3 Patents

#970 in Seoul

#2,800 in South Korea

Seoul, South Korea

Chung Ho Nais Incorporation

Forward Citations = 4

1 inventor:

Joung Whi Dong (3 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chung Ho Nais Incorporation. Retrieved from https://idiyas.com/company/chung-ho-nais-in

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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