Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7705235 | Photovoltaic device | Alexander Ulyashin, Jef Poortmans, Wolfgang Fahrner | 2010-04-27 |
| 7022585 | Method for making thin film devices intended for solar cells or silicon-on-insulator (SOI) applications | Chetan Singh Solanki, Jef Poortmans | 2006-04-04 |
| 6649485 | Method for the formation and lift-off of porous silicon layers | Chetan Singh Solanki, Jef Poortmans, Guy Beaucarne | 2003-11-18 |
| 6602760 | Method of producing a semiconductor layer on a substrate | Jef Poortmans, Giovanni Flamand | 2003-08-05 |