Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812625 | Discharge lamp and outer bulb therefor | Juergen Schoeneich, Paul Hellwig | 2004-11-02 |
| 6646380 | High-pressure gas discharge lamp | Hermann Krautzberger, Joseph Franciscus Raymond Eijsermans, Dorothea Seebode | 2003-11-11 |
| 6534918 | High pressure discharge lamp with tungsten electrode rods having second parts with envelope of rhenium | Manfred Peterek, Joseph Franciscus Raymond Eijsermans, Dorothea Seebode, Angela Jörres | 2003-03-18 |
| 6169365 | High-pressure metal halide lamp having three part electrode rods | Robert Scholl | 2001-01-02 |
| 6060829 | Metal halide lamp with rhenium skin on tungsten electrode | Robert Scholl | 2000-05-09 |
| 5853498 | Thin film solar cell | Claus Beneking, Magnus Kolter | 1998-12-29 |