Issued Patents All Time
Showing 1–5 of 5 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 | Young-Kyu Ju, Ki Hwan Jung, Jong-Kwon Chung, Sik Yang, Dong Seob Shim +1 more | 2019-05-21 |
| 10030289 | Spheroidal graphite cast iron for an engine exhaust system | Ki Hwan Jung, Young-Kyu Ju, Jong-Kwon Chung, 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, Young-Kyu Ju, Jong-Kwon Chung, Yeniseul Lee +1 more | 2017-08-01 |
| 9708694 | Method for manufacturing high strength flake graphite cast iron for an engine body and flake graphite cast iron for an engine body | Ki Hwan Jung, Dong Seob Shim, Sik Yang | 2017-07-18 |
| 9689059 | High strength flake graphite cast iron having excellent workability and preparation method thereof | Jong-Kwon Chung, Sik Yang, Ki Hwan Jung | 2017-06-27 |