Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5861715 | Discharge lamp having a plurality of coating layers | Tatsushi Igarashi, Osamu Mizuno, Kazuo Nakamura | 1999-01-19 |
| 5633556 | Discharge lamp of the water cooled type | Kyosuke Fujina, Katsuoki Miyasu | 1997-05-27 |