Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |