Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10084565 | Apparatus and method for protecting communication device of railroad car | Chi Hyung Ahn, Jae Hee Kim, Seh Chan Oh, Kyeong Jun Ko, Sung Soo Park +2 more | 2018-09-25 |
| 9789859 | Railway vehicle braking system and method | Jai Sung Hong, Kyeong Jun Ko, Moo Sun Kim | 2017-10-17 |
| 9688290 | Electric rail car door structure | Moo Sun Kim, Jai Sung Hong, Jae Ho Lee, Kang-Mi Lee, Dong Uk Jang +1 more | 2017-06-27 |
| 4384939 | Gold recovery system | Dennis R. Turner | 1983-05-24 |