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For the Inventor, By the Inventor

Seoul, South Korea

Hitachi-Lg Data Storage Korea, Inc.

Calculating rank
USPTO Granted Patents = 72

% Expired Patents = 72.2


Trademarks = 2

Forward Citations = 206

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72 inventors (with patents filed for the assignee):

goldMedal Cheul Kyung Han (4 out of 4 patents)

silverMedal Jeong Chae Youn (4 out of 8 patents)

bronzeMedal Cheol Min Jin (4 out of 11 patents)

4.  Taesung Kim (3 out of 78 patents)

5.  Hosung Hwang (3 out of 3 patents)

6.  Keuk Young Bahng (3 out of 3 patents)

7.  Tae Hyoung Kim (3 out of 3 patents)

8.  Artem Mishin (2 out of 20 patents)

9.  Hogil Lee (2 out of 2 patents)

10.  Jaeyong Ryu (2 out of 2 patents)

11.  Euncheol Lee (2 out of 4 patents)

12.  Seunghon Yoo (2 out of 2 patents)

13.  Sunggoo Chung (2 out of 2 patents)

14.  Young Il Kim (2 out of 2 patents)

15.  Gab Jae Lee (2 out of 2 patents)


Core Competencies:
Optical Disc Drive
Wireless Power Transmission
Data Recording
Error Correction
Distance Measurement
Dust Sensor
Spindle Motor
Recording Medium
Focus Servo Control
Tilt Control
Defect Management

72 patents:

1. 11936215 - Apparatus and method for transmitting power wirelessly (2024-03-19),
2. 11176294 - Method of designing coils for transmitting or receiving power wirelessly (2021-11-16),
3. 10928292 - Dust sensor (2021-02-23),
4. 10895530 - Sensor combining dust sensor and gas sensor (2021-01-19),
5. 10884111 - Distance measuring apparatus (2021-01-05),
6. 10859703 - Rotary distance measuring apparatus (2020-12-08),
7. 10819163 - Apparatus and method for transmitting power wirelessly (2020-10-27),
8. 10707701 - Optical disk drive for wireless power transmission (2020-07-07),
9. 10529209 - Dust sensor adopting impactor (2020-01-07),
10. 10020691 - Apparatus and method for transmitting power wirelessly (2018-07-10),
11. 9941755 - Method and apparatus for transmitting power wirelessly (2018-04-10),
12. 9853482 - Method and apparatus for transmitting power wirelessly (2017-12-26),
13. 9748791 - Reception device for wireless charging (2017-08-29),
14. 9739874 - Apparatus for detecting distances in two directions (2017-08-22),
15. 9577490 - Spindle motor (2017-02-21),
Company Overview
Hitachi-LG Data Storage Korea, Inc., based in Seoul, specializes in optical disc technology, focusing on the development and manufacturing of optical disc drives. The company is recognized for its innovations in data recording and error correction technologies, enhancing the reliability and efficiency of data storage solutions. Additionally, it explores advanced applications such as wireless power transmission and distance measurement, contributing to the evolution of modern data storage and retrieval systems.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

72 Patents

#102 in Seoul

#244 in South Korea

#10,400 in the World

Seoul, KR
Seoul, South Korea

Hitachi-Lg Data Storage Korea, Inc.

Forward Citations = 206

72 inventors:

goldMedal Cheul Kyung Han (4 out of 4 patents)

silverMedal Jeong Chae Youn (4 out of 8 patents)

bronzeMedal Cheol Min Jin (4 out of 11 patents)

4.  Taesung Kim (3 out of 78 patents)

5.  Hosung Hwang (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi-Lg Data Storage Korea, Inc.. Retrieved from https://idiyas.com/company/hitachi-lg-data-storage-korea

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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