Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8218224 | Laminated electrically tintable windows | Byung Sung Kwak, Dieter Haas, Stefan Bangert, Nety M. Krishna | 2012-07-10 |
| 7710671 | Laminated electrically tintable windows | Byung Sung Kwak, Dieter Haas, Stefan Bangert, Nety M. Krishna | 2010-05-04 |
| 4891325 | Method for re-using silicon base material of a metal insulator semiconductor (mis) inversion-layer solar cell | Rudolf Hezel, Berthold Schum | 1990-01-02 |