Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7981319 | Non-aqueous liquid compositions comprising ion exchange polymers | Kwan-Soo Lee, Tommy Q. T. Rockward | 2011-07-19 |
| 7968893 | Semiconductor light emitting device and method of manufacturing the same | Sang Yeob Song, Jin Hyun Lee, Kwang Ki Choi, Pun Jae Choi, Hyun-Soo Kim +1 more | 2011-06-28 |
| 7928467 | Nitride semiconductor light emitting device and manufacturing method of the same | Hyun-Soo Kim, Joon-seop Kwak, Ki Man Kang, Jin Hyun Lee, Cheol-soo Sone | 2011-04-19 |
| 7816284 | Method of forming pattern on group III nitride semiconductor substrate and method of manufacturing group III nitride semiconductor light emitting device | Jong In Yang, Sang Yeob Song, Si Hyuk Lee, Tae Hyung Kim | 2010-10-19 |
| 7790837 | Ion-conducting sulfonated polymeric materials | James E. McGrath, Michael Hickner, Feng Wang | 2010-09-07 |
| 7575824 | Method of improving fuel cell performance by removing at least one metal oxide contaminant from a fuel cell electrode | Jong Ho Choi, Piotr Zelenay | 2009-08-18 |
| 7460579 | Multi-wavelength semiconductor laser device | Jong Ik PARK, Ki Won Moon, Hye Ran Oh | 2008-12-02 |
| 7361729 | Ion-conducting sulfonated polymeric materials | James E. McGrath, Michael Hickner, Feng Wang | 2008-04-22 |
| 6060147 | Process for preparing a carbon fiber-reinforced composite material having a morphology gradient | Sung-Chul Kim | 2000-05-09 |