Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12373048 | Button device attached to touch screen, and electronic equipment provided with same | Tae Heon NOH, Woo HWANGBO | 2025-07-29 |
| 8727255 | Automatic paper feed-sensing apparatus for a paper shredder, paper-feeding apparatus comprising same, and paper shredder comprising the automatic paper feed-sensing apparatus and the paper-feeding apparatus | — | 2014-05-20 |
| 8403246 | Shredder and method of shredding paper | Hwa Yong Seo, Dae Seung Woo | 2013-03-26 |
| 8061635 | Automatic paper supply apparatus for paper shredder | Woon Gi Kim | 2011-11-22 |
| 7963737 | Apparatus and method for transferring substrate | Jae-Ryung Ryu, Tae-Kwon Lim | 2011-06-21 |