For the Inventor, By the Inventor

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Gyeongsangbuk-do, South Korea

Ndd, Inc.

USPTO Granted Patents = 4

% Expired Patents = 75.0

Forward Citations = 12

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4 inventors (with patents filed for the assignee):

Sae Young Ahn (3 out of 4 patents)

Hyun Hwa Kwon (2 out of 4 patents)

Saeyoung Ahn (1 out of 6 patents)

4. Steingrimur Stefansson (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 12241895 - Bio-sensing device (2025-03-04),

2. 10585093 - Bio-sensing device (2020-03-10),

3. 10309961 - Bio-sensing device (2019-06-04),

4. 8969069 - Glycated protein measurement sensor and portable glycated protein measurement apparatus including same (2015-03-03),

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USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#24 in Gyeongsangbuk-do

#2,200 in South Korea

Gyeongsangbuk-do, South Korea

Ndd, Inc.

Forward Citations = 12

4 inventors:

Sae Young Ahn (3 out of 4 patents)

Hyun Hwa Kwon (2 out of 4 patents)

Saeyoung Ahn (1 out of 6 patents)

4. Steingrimur Stefansson (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ndd, Inc.. Retrieved from https://idiyas.com/company/ndd

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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