Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9246050 | Method for fabricating nano-patterned substrate for high-efficiency nitride-based light-emitting diode | Hyuk-Jin Cha, Heon Ho Lee | 2016-01-26 |
| 4675434 | Process for producing phthalic acid esters | Sung J. Uhm, Tae-Jung Lee, Dong Yu | 1987-06-23 |