Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7714512 | High red color rendition metal halide lamp | Stefaan Lambrechts, Huiling Zhu, Jakob Maya | 2010-05-11 |
| 6856091 | Seal for ceramic metal halide discharge lamp chamber | Jagannathan Ravi, Huiling Zhu | 2005-02-15 |
| 6605888 | Metal halide lamp with enhanced red emission, in excess of a blackbody | John F. Waymouth, Stefaan Lambrechts, Jakob Maya | 2003-08-12 |
| 6528945 | Seal for ceramic metal halide discharge lamp | Jagannathan Ravi | 2003-03-04 |
| 6369518 | Lamps with electronic control of color temperature and color rendering index | Huiling Zhu, Jakob Maya | 2002-04-09 |
| 5905340 | High intensity discharge lamp with treated electrode | Rober J. Karlotski, Galina Zilberstein | 1999-05-18 |
| 5254149 | Process for determining the quality of temper of a glass sheet using a laser beam | Amin H. Hashemi | 1993-10-19 |