Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5929565 | Short arc discharge lamp having anode with tungsten coating thereon | Susumu Nakanishi | 1999-07-27 |
| 5920152 | Mercury lamp of the short arc type and method for operation thereof | Yukio Yasuda, Masanori Sugihara | 1999-07-06 |