Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10760526 | Piston for internal combustion engine | Jun Kui YANG, Kwan Ho RYU, Sang Hyuk JUN, Woo-Seok Shim, Jang-Ik Park | 2020-09-01 |
| 10100777 | Piston for internal combustion engine, and cooling channel core | Woo-Seok Shim, Sang Hyuk JUN, Jeong Keon LEE, Kwan Ho RYU, Jun Kui YANG | 2018-10-16 |
| 9328823 | Steel piston having cooling channel without flash | Jun Kui YANG, Kwan Ho RYU, Jeong Keun LEE, Sang-Bean PARK | 2016-05-03 |