Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7176631 | Ultra high pressure discharge lamp | — | 2007-02-13 |
| 6940217 | Short arc ultra-high pressure discharge lamp | Masanobu Komiya, Toyohiko Kumada | 2005-09-06 |
| 6923700 | Short-arc, ultra-high-pressure discharge lamp and method of manufacture | Toyohiko Kumada, Katsuhiko Miyahra | 2005-08-02 |
| 6911775 | Short-arc, ultra-high pressure discharge lamp | Masanobu Komiya, Toyohiko Kumada | 2005-06-28 |
| 6903509 | Ultrahigh pressure discharge lamp of the short arc type with improved metal foil to electrode connection arrangement | — | 2005-06-07 |
| 6861806 | Super-high pressure discharge lamp of the short arc type | Toyohiko Kumada, Masanobu Komiya | 2005-03-01 |
| 6762557 | Super-high pressure discharge lamp of the short arc type | Toyohiko Kumada, Masanobu Komiya | 2004-07-13 |
| 6713957 | Super-high pressure discharge lamp of the short arc type | Toyohiko Kumada, Masanobu Komiya, Koji Miyauti | 2004-03-30 |
| 6614187 | Short arc type mercury discharge lamp with coil distanced from electrode | Takashi Yamashita, Toru Nishikubo | 2003-09-02 |
| 6135840 | Discharge lamp of the short arc type and process for production thereof | — | 2000-10-24 |