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For the Inventor, By the Inventor

Seongnam, South Korea

Ybrain Inc.


USPTO Granted Patents = 26


Trademarks = 2

Forward Citations = 81

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18 inventors (with patents filed for the assignee):

goldMedal Kiwon Lee (12 out of 23 patents)

silverMedal Ki Won Lee (11 out of 13 patents)

bronzeMedal Jong Min Jang (5 out of 5 patents)

4.  Byung Gik Kim (5 out of 5 patents)

5.  Kyongsik Yun (4 out of 5 patents)

6.  Cheon Ju Ko (3 out of 3 patents)

7.  Yoon Kyoung Hong (3 out of 3 patents)

8.  Tae Nam Kim (3 out of 3 patents)

9.  Hyeri Sim (2 out of 2 patents)

10.  Yuhee Kim (2 out of 2 patents)

11.  Seungyeon Kim (2 out of 11 patents)

12.  Ki-won Lee (2 out of 2 patents)

13.  Cheon-Ju Ko (2 out of 2 patents)

14.  Jong-Min Jang (2 out of 2 patents)

15.  Byung-Gik Kim (2 out of 2 patents)


Core Competencies:
Biological Signal Measurement
Electrode Patch
Brainwave Measuring
Electrical Stimulation
EEG Signal
Transcranial Stimulation
Wearable Device
Nerve Modulation
Biosignal Detection
Brain Activation Pattern
Control Method
Bio-potential Measurement

26 patents:

1. D1137688 - Biological signal measurement senser module (2026-07-28),
2. D1124357 - Electrode patch for biological signal measurement (2026-04-28),
3. D1124356 - Electrode patch for biological signal measurement (2026-04-28),
4. D1099336 - Brainwave measuring apparatus (2025-10-21),
5. 11813461 - Device and method modulating nerve of a patient by providing electrical stimulation (2023-11-14),
6. 11657907 - Method for setting authority for use of brain stimulation device and device implementing same (2023-05-23),
7. 11389643 - Electric device for measuring EEG signal or electric stimulation (2022-07-19),
8. 11383085 - Electrical stimulation apparatus and method for controlling same (2022-07-12),
9. 11305116 - Current monitoring apparatus and electrical stimulation apparatus comprising same (2022-04-19),
10. 11141593 - Device and method modulating nerve of a patient by providing electrical stimulation (2021-10-12),
11. 11110273 - Electrical stimulation device (2021-09-07),
12. 11045642 - Transcranial direct current stimulation apparatus (2021-06-29),
13. 11026615 - Dry electrode for detecting biosignal and method for manufacturing same (2021-06-08),
14. 10994122 - Electrical stimulation device (2021-05-04),
15. 10799133 - Wearable device and control method therefor (2020-10-13),
Company Overview
Ybrain Inc. is a technology company based in Seongnam, South Korea, specializing in the development of innovative medical devices and digital therapeutics. The company focuses on neurotechnology, particularly in the areas of brain stimulation and mental health solutions. Ybrain aims to enhance cognitive function and address various neurological conditions through its advanced research and technology. By integrating neuroscience with cutting-edge engineering, Ybrain is committed to improving patient outcomes and advancing the field of mental health care.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

26 Patents

#28 in Seongnam

#511 in South Korea

#24,806 in the World

Seongnam, KR
Seongnam, South Korea

Ybrain Inc.

Forward Citations = 81

18 inventors:

goldMedal Kiwon Lee (12 out of 23 patents)

silverMedal Ki Won Lee (11 out of 13 patents)

bronzeMedal Jong Min Jang (5 out of 5 patents)

4.  Byung Gik Kim (5 out of 5 patents)

5.  Kyongsik Yun (4 out of 5 patents)

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

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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