Pyeonghwa Automotive

Calculating rank

USPTO Granted Patents = 4

% Expired Patents = 25.0

Forward Citations = 11

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22 inventors (with patents filed for the assignee):

Hyung-In Yun (1 out of 21 patents)

James N Nelsen (1 out of 14 patents)

Byung Yong Choi (1 out of 30 patents)

4. John Perring (1 out of 2 patents)

5. Soo-Chul Lee (1 out of 2 patents)

6. Hyeon Tae Park (1 out of 5 patents)

7. Jong Kweon Pyun (1 out of 10 patents)

8. Won Gyu Kang (1 out of 1 patent)

9. Wan Hyun Kim (1 out of 1 patent)

10. Su Jin Jung (1 out of 1 patent)

11. Tae Hoon Lee (1 out of 55 patents)

12. Sung Han Kim (1 out of 5 patents)

13. Seong Tae Hong (1 out of 9 patents)

14. Jong Moon Yoo (1 out of 6 patents)

15. Hee Ra Park (1 out of 2 patents)

4 patents: Sort by Forward Citations

1. 12637894 - Sliding-door drive unit for a vehicle (2026-05-26),

2. 10822846 - Latch mechanism for a vehicle (2020-11-03),

3. 9534428 - Hood latch having dual unlocking function (2017-01-03),

4. 8672386 - Seat latch structure (2014-03-18),

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USPTO Data Jan 1 1976 - Oct 27 2026

4 Patents

#49 in Daegu

#2,203 in South Korea

Daegu, South Korea