Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6181065 | Metal halide or sodium high pressure lamp with cermet of alumina, molybdenum and tungsten | Roland Huettinger, Dieter Lang | 2001-01-30 |
| 5625256 | High-pressure discharge lamp having a ceramic discharge vessel, sintered body suitable therefor, and method for producing the sintered body | Helmut Weske, Koichiro Maekawa, Junichi Doi | 1997-04-29 |