Issued Patents 2004
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822988 | Laser apparatus in which GaN-based compound surface-emitting semiconductor element is excited with GaN-based compound semiconductor laser element | Toshiaki Fukunaga | 2004-11-23 |
| 6816532 | LASER-DIODE-EXCITED LASER APPARATUS, FIBER LASER APPARATUS, AND FIBER LASER AMPLIFIER IN WHICH LASER MEDIUM DOPED WITH ONE OF HO3+, SM3+, EU3+, DY3+, ER3+, AND TB3+IS EXCITED WITH GAN-BASED COMPOUND LASER DIODE | Hisashi Ohtsuka, Takayuki Katoh | 2004-11-09 |
| 6795475 | Solid-state laser apparatus excited by laser light from semiconductor laser unit having increased resonator length | Hisashi Ohtsuka | 2004-09-21 |
| 6764183 | Color laser display employing excitation solid laser unit, fiber laser unit, or semi conductor laser unit | — | 2004-07-20 |
| 6760057 | Optical recording method, apparatus, system and medium using high-power laser light | Toshiro Hayakawa, Nobufumi Mori, Hiroyuki Hiiro | 2004-07-06 |
| 6754007 | One-dimensional optical condensing system, optical lighting system for correcting light intensity distribution, and exposure head | Hiromitsu Yamakawa, Kazuhiko Nagano, Hiromi Ishikawa | 2004-06-22 |
| 6718088 | Multiplex laser light source and exposure apparatus | Kazuhiko Nagano | 2004-04-06 |
| 6717106 | Laser sintering apparatus | Kazuhiko Nagano | 2004-04-06 |
| 6693941 | Semiconductor laser apparatus | Toshiaki Fukunaga | 2004-02-17 |