Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6294016 | Method for manufacturing p-type GaN based thin film using nitridation | Sang Woo Kim, Ji Myon Lee, Kwang-Soon Ahn, Rae-Man Park, Ja Soon Jang | 2001-09-25 |
| 6169297 | Metal thin film with ohmic contact for light emit diodes | Ja Soon Jang, Hyo Keun Kim, Tae-yeon Seong, Heung-kyu Jang | 2001-01-02 |
| 5824453 | Fabricating method of GaAs substrate having V-shaped grooves | Sung Bock Kim, Jeong Rae Ro, El-Hang Lee | 1998-10-20 |
| 5500047 | Apparatus for adsorbing atomic hydrogen on surface | Kang Ho Park, Jeong-Sook Ha, El-Hang Lee | 1996-03-19 |