Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6787996 | Lamp seal using functionally gradient material | Katsuya Saito, Yukiharu Tagawa | 2004-09-07 |
| 6762557 | Super-high pressure discharge lamp of the short arc type | Yoshitaka Kanzaki, Masanobu Komiya | 2004-07-13 |
| 6713957 | Super-high pressure discharge lamp of the short arc type | Yoshitaka Kanzaki, Masanobu Komiya, Koji Miyauti | 2004-03-30 |