Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10737661 | Wiper driving apparatus and method for driving same | Chil Young Ji | 2020-08-11 |
| 9661316 | Multi-layer image display device | Yong Beom Kim | 2017-05-23 |
| 9581844 | Method for fabrication of curved-surface display panel | Hwan-Jin Kim, Jin Woo Lee | 2017-02-28 |
| 8982545 | Curved-surface display panel fabrication method, curved-surface display panel using same, and multi-image display device using same | Yong Beom Kim | 2015-03-17 |
| 5884358 | Handle assembly for a vacuum cleaner having an improved rotating connection portion | — | 1999-03-23 |
| 5747764 | Electric power switch for a vacuum cleaner which has a suction control function | Chang Woo Son | 1998-05-05 |