Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11084078 | Electrical dust filter manufacturing method and electrical dust filter manufactured thereby | So Young JEON | 2021-08-10 |
| 8281476 | Multilayered tube and manufacturing method thereof based on high pressure tube hydroforming | Ju Haeng Hur, Yun-Gyu Kim, Hyo Sub Kim, Sang Muk Na | 2012-10-09 |
| 7516091 | System and method for electronic settlement using keyboard having multiple card identification and charging functions | — | 2009-04-07 |