Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10682686 | Eco-mold apparatus for manufacturing piston, mold apparatus for manufacturing piston, and piston manufacturing method | Jun Kui YANG, Kwan Ho RYU, Lee Cheol JI, Sang Min Lee | 2020-06-16 |
| 10100777 | Piston for internal combustion engine, and cooling channel core | In Cheol Yoo, Woo-Seok Shim, Sang Hyuk JUN, Kwan Ho RYU, Jun Kui YANG | 2018-10-16 |
| 10060327 | Piston for internal combustion engine, and cooling channel core | Jang-Ik Park, Sang Hyuk JUN, Kwan Ho RYU, Jun Kui YANG | 2018-08-28 |