Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10174801 | Method for manufacturing vehicle brake disc | Yeon Ho Choi, Kang Yoo, Nam Cheol Lee | 2019-01-08 |
| 10072719 | Brake disk having double cooling structure | Jae-Hun Shim, Byung-Jun Park, Joung Hee Lee, Gab Bae Jeon, Yeon Ho Choi +2 more | 2018-09-11 |
| 9732811 | Carbon ceramic brake disc and method for manufacturing the same | Yeon Ho Choi, Kang Yoo, Nam Cheol Lee | 2017-08-15 |