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For the Inventor, By the Inventor

Incheon, South Korea

Doosan Infracore Co., Ltd.


USPTO Granted Patents = 221


Trademarks = 12

Forward Citations = 612

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286 inventors (with patents filed for the assignee):

goldMedal Woo Yong Jung (14 out of 15 patents)

silverMedal Byung Il Kang (8 out of 9 patents)

bronzeMedal Won Sun Sohn (8 out of 8 patents)

4.  Hong Cheol Yun (8 out of 8 patents)

5.  Duck Woo Park (6 out of 6 patents)

6.  Yong Lak Cho (6 out of 7 patents)

7.  Dal Sik Jang (6 out of 8 patents)

8.  Yoojeung Lim (6 out of 9 patents)

9.  Seula Choi (6 out of 6 patents)

10.  Sunwook Kwack (6 out of 7 patents)

11.  Lee Hyoung Cho (5 out of 15 patents)

12.  Woo-yong Jung (5 out of 6 patents)

13.  Ki-yong Kim (5 out of 9 patents)

14.  Sik Yang (5 out of 5 patents)

15.  Ji Hoon Lim (5 out of 5 patents)


Core Competencies:
Construction Machinery
Turbo-Compounding System
Braking Control Device
Electrohydraulic Control Device
Hydraulic System
Safety System
Excavator
Wheel Loader
Smart Key
Exhaust Gas Post-Processing
Load Weighing Method
Three-Dimensional Ground Model

221 patents:

1. D1006678 - Dump truck (2023-12-05),
2. 11814819 - Construction machine bucket part and manufacturing method therefor (2023-11-14),
3. 11781471 - Turbo-compounding system (2023-10-10),
4. 11773568 - Braking control device and braking control method of construction machine (2023-10-03),
5. 11692329 - Apparatus for controlling and method for controlling quick-clamping of construction machine (2023-07-04),
6. 11634887 - Method and system for controlling construction machinery (2023-04-25),
7. 11542683 - Construction machine (2023-01-03),
8. 11541827 - System and method of controlling construction machinery (2023-01-03),
9. 11525242 - Control method for construction machinery and control system for construction machinery (2022-12-13),
10. 11472372 - Control system and control method for construction machinery (2022-10-18),
11. 11447087 - Canopy assembly of construction machinery (2022-09-20),
12. 11377821 - Construction machine safety apparatus and controlling method (2022-07-05),
13. 11313104 - Control system for construction machinery (2022-04-26),
14. 11286647 - Electrohydraulic control device for construction machine and method thereof (2022-03-29),
15. 11203853 - Cabin assembly for construction equipment (2021-12-21),
Doosan Infracore Co., Ltd. is a global leader in the manufacturing and sales of construction equipment, engines, attachments and utility equipment. The company's product lineup includes excavators, wheel loaders, articulated dump trucks, and more. With a strong focus on innovation and quality, Doosan Infracore is committed to providing efficient and reliable equipment solutions for customers around the world.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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221 Patents

#1 in Incheon, 402-040

#95 in South Korea

#3,760 in the World

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Incheon, South Korea

Doosan Infracore Co., Ltd.

Forward Citations = 612

286 inventors:

goldMedal Woo Yong Jung (14 out of 15 patents)

silverMedal Byung Il Kang (8 out of 9 patents)

bronzeMedal Won Sun Sohn (8 out of 8 patents)

4.  Hong Cheol Yun (8 out of 8 patents)

5.  Duck Woo Park (6 out of 6 patents)

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