Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11260428 | Cleaning device for hemming roller | — | 2022-03-01 |
| 10294550 | Heat resistant spheroidal graphite cast iron, method of manufacturing the same and engine exhaust system part including the same | Young-Kyu Ju, 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 | Young-Kyu Ju, Jong-Kwon Chung, Jae Hyoung Hwang, Sik Yang, Dong Seob Shim +1 more | 2018-07-24 |
| 9976846 | Device and method of measuring deformation of a gripper of a robot | Man Chai Han, Jae Wan Park | 2018-05-22 |
| 9719157 | High-strength flake graphite cast iron, manufacturing method thereof, and engine body for internal combustion engine including cast iron | Sik Yang, Jae Hyoung Hwang, 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 | Dong Seob Shim, Sik Yang, Jae Hyoung Hwang | 2017-07-18 |
| 9689059 | High strength flake graphite cast iron having excellent workability and preparation method thereof | Jong-Kwon Chung, Sik Yang, Jae Hyoung Hwang | 2017-06-27 |