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For the Inventor, By the Inventor

Changwon, South Korea

Doosan Machine Tools Co., Ltd.


USPTO Granted Patents = 36


Trademarks = 10

Forward Citations = 179

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31 inventors (with patents filed for the assignee):

goldMedal Heedong Son (9 out of 24 patents)

silverMedal Seungwook Shin (5 out of 20 patents)

bronzeMedal Sanghyun Ryu (4 out of 4 patents)

4.  Ki Hong Kim (3 out of 3 patents)

5.  Dae Hyuk Chung (3 out of 3 patents)

6.  Kang Jae Lee (3 out of 3 patents)

7.  Jin Suk Song (3 out of 7 patents)

8.  Joo Sik Lee (2 out of 2 patents)

9.  Jong Myoung Park (2 out of 2 patents)

10.  Dong Hwan Kim (2 out of 67 patents)

11.  Jae Doo Sim (1 out of 1 patent)

12.  Chang-ho Lee (1 out of 1 patent)

13.  Gun-Mo Koo (1 out of 1 patent)

14.  Jae-doo Sim (1 out of 1 patent)

15.  Hyo Seog Kang (1 out of 1 patent)


Core Competencies:
Tool Magazine
Machine Center
Pallet Transfer
Thermal Displacement
Five-Axis Processing
Graphical User Interface
Position Controller
Cutting Tool
Rotary Table
Turret Tools
Damage Detection

36 patents:

1. D963009 - Machine center (2022-09-06),
2. 11433497 - Tool magazine of machine tool (2022-09-06),
3. 11433496 - Device for attaching and detaching tool in magazine (2022-09-06),
4. 11383374 - Pallet transfer system (2022-07-12),
5. 11353842 - Apparatus and method for automatically converting thermal displacement compensation parameters of machine tool (2022-06-07),
6. 11344986 - Tool spindle and machine tool including same (2022-05-31),
7. 11213902 - Broaching machine and lathe comprising same (2022-01-04),
8. D938501 - Machine center (2021-12-14),
9. D937911 - Machine center (2021-12-07),
10. D935475 - Display screen with graphical user interface for machine tool (2021-11-09),
11. D933724 - Machine center (2021-10-19),
12. D932526 - Machine center (2021-10-05),
13. D932525 - Machine center (2021-10-05),
14. D932523 - Machine center (2021-10-05),
15. D926788 - Display screen with graphical user interface for machine tool (2021-08-03),
Company Overview
Doosan Machine Tools Co., Ltd. is a prominent manufacturer specializing in advanced machine tools and manufacturing solutions. Based in Changwon, South Korea, the company focuses on developing high-precision CNC lathes, machining centers, and multitasking machines that cater to various industries, including automotive, aerospace, and general manufacturing. With a commitment to innovation, Doosan integrates cutting-edge technology into its products, enhancing productivity and efficiency for its global clientele.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Doosan Machine Tools Co., Ltd. USPTO Patent Assignee Logo
36 Patents

#9 in Changwon

#400 in South Korea

#18,730 in the World

Changwon, KR
Changwon, South Korea

Doosan Machine Tools Co., Ltd.

Forward Citations = 179

31 inventors:

goldMedal Heedong Son (9 out of 24 patents)

silverMedal Seungwook Shin (5 out of 20 patents)

bronzeMedal Sanghyun Ryu (4 out of 4 patents)

4.  Ki Hong Kim (3 out of 3 patents)

5.  Dae Hyuk Chung (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Doosan Machine Tools Co., Ltd.. Retrieved from https://idiyas.com/company/doosan-machine-tools-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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