For the Inventor, By the Inventor

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Daegu, South Korea

Erae Ams Co., Ltd.

USPTO Granted Patents = 21

% Expired Patents = 14.3

EPO Patents = 16

Trademarks = 1

Forward Citations = 7

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57 inventors (with patents filed for the assignee):

Dal Soo Jang (4 out of 9 patents)

Jae Won Jung (3 out of 53 patents)

Moo Young Park (3 out of 3 patents)

4. Hwan Gong Moon (3 out of 3 patents)

5. Ho Cheol Son (3 out of 3 patents)

6. Se Jung Park (3 out of 4 patents)

7. Jung Rak Son (3 out of 3 patents)

8. Myung Chul Jung (3 out of 3 patents)

9. Tae Geun Kim (3 out of 3 patents)

10. Young-Kwang Kim (2 out of 2 patents)

11. Duck-Moo Jung (2 out of 2 patents)

12. Min Young Choi (2 out of 2 patents)

13. Se-Hun Jung (2 out of 3 patents)

14. Hyun-Il Lee (2 out of 2 patents)

15. Jang-Sun Lee (2 out of 2 patents)

21 patents: Sort by Forward Citations

1. 12305251 - Heat treatment method for tubular shaft for drive shaft having ball spline structure and tubular shaft manufactured thereby (2025-05-20),

2. 12259011 - Double clutch assembly of electric driving apparatus for vehicle and electric driving apparatus including same (2025-03-25),

3. 12234897 - Electric driving apparatus for vehicle (2025-02-25),

4. 12092167 - Speed shifting structure of electric driving apparatus for vehicle and electric driving apparatus including same (2024-09-17),

5. 12031594 - Plunging shaft and drive shaft assembly including same (2024-07-09),

6. 11767877 - Plunging assembly for driveshaft (2023-09-26),

7. 11421678 - Piston pump for brake system of vehicle (2022-08-23),

8. 11254354 - Method and apparatus for controlling motor of electric power assisted steering system (2022-02-22),

9. 11248657 - Tripod constant-velocity joint (2022-02-15),

10. 11193515 - Boot clamping structure for constant velocity joint (2021-12-07),

11. 10981590 - Steering column assembly (2021-04-20),

12. 10960916 - Collapsible steering column assembly (2021-03-30),

13. 10797625 - Detection device and detection method for detecting number of revolutions of sensorless EPB motor (2020-10-06),

14. 10752281 - Collapsible steering column assembly (2020-08-25),

15. 10300900 - Piston for master cylinder (2019-05-28),

Company Overview

Erae Ams Co., Ltd. is a prominent player in the field of advanced automotive electronics, specializing in the development and manufacturing of innovative solutions for vehicle safety and efficiency. The company focuses on technologies such as advanced driver-assistance systems (ADAS) and various automotive components that enhance vehicle performance and user experience. Based in Daegu, South Korea, Erae Ams is committed to driving technological advancements in the automotive sector, contributing to the evolution of smart mobility solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

21 Patents

#16 in Daegu 706-010

#612 in South Korea

#30,001 in the World

Daegu, South Korea

Erae Ams Co., Ltd.

Forward Citations = 7

57 inventors:

Dal Soo Jang (4 out of 9 patents)

Jae Won Jung (3 out of 53 patents)

Moo Young Park (3 out of 3 patents)

4. Hwan Gong Moon (3 out of 3 patents)

5. Ho Cheol Son (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Erae Ams Co., Ltd.. Retrieved from https://idiyas.com/company/erae-ams-company

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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