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For the Inventor, By the Inventor

Daejeon, South Korea

Hexacheck Inc.

Calculating rank
USPTO Granted Patents = 32

% Expired Patents = 3.1


Forward Citations = 139

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3 inventors (with patents filed for the assignee):

goldMedal In-Duk Hwang (30 out of 31 patents)

silverMedal Chang Hwan Kim (2 out of 56 patents)

bronzeMedal In Deok Hwang (2 out of 2 patents)


Core Competencies:
Low-Power ECG
Biometric Information
Smartwatch
Electrocardiographic Device
Wireless Communication
Portable Sensor
Measurement Method
Smartband
Ring-Shaped Device
Electrocardiogram Measurement

32 patents:

1. 12697056 - Low-power electrocardiogram (ECG) measurement method (2026-08-04),
2. 12414724 - Electrocardiogram measurement apparatus (2025-09-16),
3. 12414723 - Electrocardiogram measurement apparatus (2025-09-16),
4. 12357219 - Electrocardiogram measurement apparatus (2025-07-15),
5. 12350056 - Electrocardiogram measurement apparatus (2025-07-08),
6. 11931156 - Electrocardiogram measurement apparatus (2024-03-19),
7. 11890075 - Portable complex sensor device for measuring multiple items of biometric information, and measurement method (2024-02-06),
8. 11642066 - Electrocardiogram measurement apparatus (2023-05-09),
9. D933838 - Electrocardiographic device (2021-10-19),
10. D933243 - Electrocardiographic device (2021-10-12),
11. D933235 - Ring-shaped electrocardiographic device (2021-10-12),
12. D930837 - Electrocardiograph for a wireless communication device (2021-09-14),
13. D930165 - Smartband with electrocardiograph electrodes (2021-09-07),
14. D930164 - Smartwatch with electrocardiograph electrodes (2021-09-07),
15. D928963 - Electrocardiograph for a wireless communication device (2021-08-24),
Company Overview
Hexacheck Inc. is a technology company based in Daejeon, South Korea, specializing in advanced verification and validation solutions. The organization focuses on developing innovative software tools that enhance the reliability and security of various digital systems. Hexacheck's expertise spans multiple domains, including cybersecurity, data integrity, and compliance, catering to industries that require robust assurance mechanisms. Through its cutting-edge research, Hexacheck aims to address the evolving challenges in technology and provide effective solutions for its clients.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 10 2026

32 Patents

#30 in Daejeon

#434 in South Korea

#20,746 in the World

Daejeon, KR
Daejeon, South Korea

Hexacheck Inc.

Forward Citations = 139

3 inventors:

goldMedal In-Duk Hwang (30 out of 31 patents)

silverMedal Chang Hwan Kim (2 out of 56 patents)

bronzeMedal In Deok Hwang (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hexacheck Inc.. Retrieved from https://idiyas.com/company/hexacheck

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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