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Trademarks = 1

Forward Citations = 3

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18 inventors (with patents filed for the assignee):

Duck Whan Kim (4 out of 34 patents)

Young Bum Kum (4 out of 33 patents)

Chang Jun Lee (4 out of 6 patents)

4. Jung Han Yu (3 out of 19 patents)

5. Sae Hoon Kim (2 out of 55 patents)

6. Young Tae Kim (2 out of 52 patents)

7. Tae Min Lee (2 out of 3 patents)

8. Jung Do Suh (2 out of 29 patents)

9. Yong Woo Choi (2 out of 5 patents)

10. Jung-Hwan Kim (1 out of 76 patents)

11. Young Woo Noh (1 out of 12 patents)

12. Tae-sung Chung (1 out of 1 patent)

13. Jung-Song Choi (1 out of 1 patent)

14. Yong-Soo Jang (1 out of 1 patent)

15. Kwang Hee Nam (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 10041388 - Exhaust valve for muffler and muffler including the same (2018-08-07),

2. 9871261 - Fuel cell stack enclosure (2018-01-16),

3. 9827519 - Method of manufacturing filter pipe for vehicle and filter pipe for vehicle (2017-11-28),

4. 9698438 - Ventilation apparatus and control method thereof (2017-07-04),

5. 9118044 - Method for manufacturing manifold for fuel cell (2015-08-25),

6. 8938955 - Exhaust manifold (2015-01-27),

7. 8900437 - Apparatus and method for forming oxidation layer on manifold block for fuel cell stack (2014-12-02),

Wooshin Industrial Co., Ltd. is a leading manufacturer of high-quality industrial products. With over 20 years of experience, we specialize in producing precision machined parts and components for various industries including automotive, aerospace, and electronics. Our commitment to excellence and customer satisfaction sets us apart in the competitive manufacturing market.

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Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

7 Patents

#1 in Dangjin-si

#1,368 in South Korea

Dangjin-si, South Korea

Wooshin Industrial Co., Ltd.