Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6654402 | Corona preionization electrode unit for use in gas laser apparatus | Koji Kakizaki, Kazuaki Hotta | 2003-11-25 |
| 6532246 | Excimer laser apparatus | Hiromasa Fukuyama, Katsuya Toma | 2003-03-11 |
| 6480519 | Gas laser device that emits ultraviolet rays | Koji Kakizaki | 2002-11-12 |
| 6417591 | Magnetic coupling mechanism for use in laser apparatus | Takashi Saito | 2002-07-09 |
| 5859868 | Solid-state laser device which is pumped by light output from laser diode | Yukio Kyusho | 1999-01-12 |
| 5364449 | Process for refining crude material for copper or copper alloy | Takashi Nakamura, Kenji Osumi, Kiyomasa Oga, Ryukichi Ikeda, Eiji Yoshida +2 more | 1994-11-15 |
| 4411678 | Method for fabricating an optical waveguide on a planar glass substrate | — | 1983-10-25 |
| 4378986 | Method of manufacturing optical fibers | Tomoo Yanase | 1983-04-05 |