Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10294550 | Heat resistant spheroidal graphite cast iron, method of manufacturing the same and engine exhaust system part including the same | Ki Hwan Jung, Jong-Kwon Chung, Sik Yang, Jae Hyoung Hwang, Dong Seob Shim +1 more | 2019-05-21 |
| 10030289 | Spheroidal graphite cast iron for an engine exhaust system | Ki Hwan Jung, Jong-Kwon Chung, Jae Hyoung Hwang, Sik Yang, Dong Seob Shim +1 more | 2018-07-24 |
| 9719157 | High-strength flake graphite cast iron, manufacturing method thereof, and engine body for internal combustion engine including cast iron | Ki Hwan Jung, Sik Yang, Jae Hyoung Hwang, Jong-Kwon Chung, Yeniseul Lee +1 more | 2017-08-01 |
| 7290374 | Vibration control apparatus using water tank located at top floor of a tall building | Sung Won Yoon, Dae Kon Kim | 2007-11-06 |