Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10654768 | Method for recovering ethylbenzene from alkylation product of fluidized catalytic cracking off-gas and benzene | Hee Du Lee, Sang Il Lee, Kyung Jong Oh, Ji Hoon Lee, Yeon Ho Kim | 2020-05-19 |
| 10040733 | Method of recovering 1,3-butadiene and methylethylketone from dehydration products of 2,3-butanediol | Sung-Bum Park, Woong-chul Shin | 2018-08-07 |
| 9884800 | Method of preparing 1,3-butadiene and methyl ethyl ketone from 2,3-butanediol using adiabatic reactor | — | 2018-02-06 |
| 7800129 | Optical device with quantum well | — | 2010-09-21 |
| 7504128 | Method of fabricating one-way transparent optical system | Byoung-Ho Cheong, Young-gu Jin, Jong-Sun Lim | 2009-03-17 |
| 7235821 | Optical device with quantum well | — | 2007-06-26 |
| 7113531 | Asymmetric waveguide GaInAs laser diode | Tak-kyoum Kim | 2006-09-26 |