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For the Inventor, By the Inventor

Uiwang-si, South Korea

Korea Railroad Research Institute


USPTO Granted Patents = 49


Forward Citations = 84

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146 inventors (with patents filed for the assignee):

goldMedal Hag Seoung Kim (4 out of 4 patents)

silverMedal Yong Jang Kwon (4 out of 4 patents)

bronzeMedal Young Joo Kim (4 out of 4 patents)

4.  Dong Hyeon Kim (4 out of 21 patents)

5.  Suk Kyeong Lee (3 out of 7 patents)

6.  Seh Chan Oh (3 out of 3 patents)

7.  Jaehoon Kim (3 out of 3 patents)

8.  Jinho Lee (2 out of 76 patents)

9.  Kwan Sup Lee (2 out of 3 patents)

10.  Min Hwan Ok (2 out of 3 patents)

11.  Yong Soo Song (2 out of 2 patents)

12.  Keun Yul Yang (2 out of 2 patents)

13.  Youn Keun Bhang (2 out of 2 patents)

14.  Tae Hoon Koh (2 out of 2 patents)

15.  Hyung-Woo Lee (2 out of 6 patents)


Core Competencies:
Curved Concrete Panel
Railway Signaling
Energy Harvester
Brake Caliper Diagnostics
Hyper-Tube System
Railway Vehicle Braking
Augmented Reality Traffic
Non-Contact Power Feeding
Tunnel Excavation Device
Vacuum Pressure Infrastructure
Wireless Sensor Management
Automatic Position Detection

49 patents:

1. 12492515 - Curve portion mold structure for manufacturing curved concrete panel for mountain railway rack track, and curved concrete panel manufacturing method using the same (2025-12-09),
2. 12429549 - Cooperative positioning method and apparatus (2025-09-30),
3. 12319492 - Foldable container folding device and automatic folding system comprising same (2025-06-03),
4. 12296875 - Method and apparatus for providing automated interlocking logic for moving-block railway signaling (2025-05-13),
5. 12233830 - Brake caliper diagnostic device for railway vehicles (2025-02-25),
6. 12123962 - Positioning method and apparatus for terminal, using various data combinations (2024-10-22),
7. 12116023 - Droplet-blocking air conditioning system inside train compartment (2024-10-15),
8. 11945477 - Electric dual-mode wiper system for railway vehicles (2024-04-02),
9. 11731675 - Exclusive track resource sharing system (2023-08-22),
10. 11637488 - Energy harvester with iron core and at least four magnet portions facing iron core structure and self-powered generation wireless sensor nodes management server (2023-04-25),
11. 11628971 - Anti-vibration pallet (2023-04-18),
12. 11618488 - Foldable container and apparatus for folding and unfolding the same (2023-04-04),
13. 11549622 - Sealing device for hyper tube (2023-01-10),
14. 11525912 - Hyper-tube system using vehicle position detection (2022-12-13),
15. 11320070 - Tube infrastructure with vacuum pressure (2022-05-03),
Korea Railroad Research Institute (KRRI) is a leading research institution in the field of rail transportation in South Korea. Established in 1996, KRRI conducts extensive research and development activities to enhance the safety, efficiency, and sustainability of rail systems. Their expertise includes railway engineering, railway safety technology, railway signaling, railway vehicles, and more. KRRI collaborates with both domestic and international partners to promote technological advancements in the railway industry.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

49 Patents

#1 in Uiwang-si

#313 in South Korea

#13,874 in the World

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Uiwang-si, South Korea

Korea Railroad Research Institute

Forward Citations = 84

146 inventors:

goldMedal Hag Seoung Kim (4 out of 4 patents)

silverMedal Yong Jang Kwon (4 out of 4 patents)

bronzeMedal Young Joo Kim (4 out of 4 patents)

4.  Dong Hyeon Kim (4 out of 21 patents)

5.  Suk Kyeong Lee (3 out of 7 patents)

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