Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10030289 | Spheroidal graphite cast iron for an engine exhaust system | Ki Hwan Jung, Young-Kyu Ju, Jong-Kwon Chung, Jae Hyoung Hwang, Sik Yang +1 more | 2018-07-24 |
| 9896823 | Cast steel for construction equipment bucket parts and parts for construction equipment bucket comprising the same | Choung Rae Lee, Sang Min AN, Young Ji Shim, Seok Won Song | 2018-02-20 |