Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10724466 | Piston for vehicle engine and method for manufacturing the same | Jun Kui YANG, Kwan Ho RYU, Jeong Keun LEE, Ju-Hyun Sun, Jung-Hun JI | 2020-07-28 |
| 9328823 | Steel piston having cooling channel without flash | Jun Kui YANG, Kwan Ho RYU, Jeong Keun LEE, In Cheol Yoo | 2016-05-03 |