Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10760526 | Piston for internal combustion engine | Kwan Ho RYU, Sang Hyuk JUN, Woo-Seok Shim, In Cheol Yoo, Jang-Ik Park | 2020-09-01 |
| 10724466 | Piston for vehicle engine and method for manufacturing the same | Kwan Ho RYU, Jeong Keun LEE, Ju-Hyun Sun, Sang-Bean PARK, Jung-Hun JI | 2020-07-28 |
| 10682686 | Eco-mold apparatus for manufacturing piston, mold apparatus for manufacturing piston, and piston manufacturing method | Kwan Ho RYU, Jeong Keon LEE, Lee Cheol JI, Sang Min Lee | 2020-06-16 |