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% Expired Patents = 3.1

EPO Patents = 1

Forward Citations = 138

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3 inventors (with patents filed for the assignee):

In-Duk Hwang (30 out of 31 patents)

Chang Hwan Kim (2 out of 53 patents)

In Deok Hwang (2 out of 2 patents)

32 patents: Sort by Forward Citations

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),

Hexacheck Inc. is a leading provider of digital risk management solutions, specializing in cybersecurity for businesses of all sizes. Our innovative technology helps organizations identify and remediate potential vulnerabilities in their IT infrastructure, protecting them from cyber threats and data breaches. With a team of highly skilled experts and cutting-edge tools, we are committed to ensuring the security and integrity of our clients' sensitive information.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

32 Patents

#28 in Daejeon

#436 in South Korea

#20,620 in the World

Daejeon, South Korea

Hexacheck Inc.

Forward Citations = 138

3 inventors:

In-Duk Hwang (30 out of 31 patents)

Chang Hwan Kim (2 out of 53 patents)

In Deok Hwang (2 out of 2 patents)

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