For the Inventor, By the Inventor

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Hwaseong, South Korea

Obara Korea Corporation

USPTO Granted Patents = 3

Forward Citations = 1

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17 inventors (with patents filed for the assignee):

Do Woon Cho (1 out of 1 patent)

Kyunghwa Kwak (1 out of 1 patent)

Doseok Yun (1 out of 1 patent)

4. Young Geun Chun (1 out of 1 patent)

5. Kyung Hwa Kwak (1 out of 1 patent)

6. Do Seok Yun (1 out of 1 patent)

7. Seung Jin Oh (1 out of 6 patents)

8. Jae Woo Choi (1 out of 1 patent)

9. Seung Woo Park (1 out of 1 patent)

10. Danilo Stocco (1 out of 2 patents)

11. Donald Ryan Scott (1 out of 2 patents)

12. Yang Woo Noh (1 out of 1 patent)

13. Roman Gr Maev (1 out of 3 patents)

14. Andriy Chertov (1 out of 3 patents)

15. Sanghyun Yoo (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12551967 - Resistance spot welding control system and method thereof (2026-02-17),

2. 10994376 - No-indentation welding monitoring device and method for monitoring the same (2021-05-04),

3. 10427240 - Tip changer for spot welding machine (2019-10-01),

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USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#45 in Hwaseong

#2,789 in South Korea

Hwaseong, South Korea

Obara Korea Corporation

Forward Citations = 1

17 inventors:

Do Woon Cho (1 out of 1 patent)

Kyunghwa Kwak (1 out of 1 patent)

Doseok Yun (1 out of 1 patent)

4. Young Geun Chun (1 out of 1 patent)

5. Kyung Hwa Kwak (1 out of 1 patent)

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