Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11485491 | Tethered aircraft mass transportation | — | 2022-11-01 |
| 7717567 | Lighting optical system | — | 2010-05-18 |
| 7611249 | Projector | — | 2009-11-03 |
| 7611248 | Projection lens unit and thin projector using the same | Seung Gyu Lee, Han Kyoung Cho, Ki So Bok, Jun Ho Lee, Soon Hyung Kwon | 2009-11-03 |
| 7540618 | Thin projector | Seung Gyu Lee, Soon Hyung Kwon, Jun Ho Lee, Ki So Bok, Han Kyoung Cho | 2009-06-02 |
| 7357516 | Lighting optical system | — | 2008-04-15 |
| 7029989 | Semiconductor device and method of manufacturing the same | Joo Han Shin | 2006-04-18 |
| 6847086 | Semiconductor device and method of forming the same | — | 2005-01-25 |
| 6667204 | Semiconductor device and method of forming the same | — | 2003-12-23 |