For the Inventor, By the Inventor

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Seoul, South Korea

Amos Corporation

Calculating rank

USPTO Granted Patents = 2

% Expired Patents = 50.0

Trademarks = 3

Forward Citations = 6

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1 inventor (with patents filed for the assignee):

Eun-Sung Lee (2 out of 26 patents)

2 patents: Sort by Forward Citations

1. 6629797 - Writing implement having a bar type lead element and molding method of the lead element therein (2003-10-07),

2. 6623197 - Water-based solid marking composition, method for producing the same, and water-based marking instrument containing the same (2003-09-23),

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USPTO Data Jan 1 1976 - Nov 3 2026

2 Patents

#1,307 in Seoul

#3,811 in South Korea

Seoul, South Korea

Amos Corporation

Forward Citations = 6

1 inventor:

Eun-Sung Lee (2 out of 26 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Amos Corporation. Retrieved from https://idiyas.com/company/amos

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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