Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 | Yoji Okazaki, Takayuki Katoh | 2004-11-09 |
| 6795475 | Solid-state laser apparatus excited by laser light from semiconductor laser unit having increased resonator length | Yoji Okazaki | 2004-09-21 |
| 6791691 | Measuring method and apparatus using attenuation in total internal reflection | Hitoshi Shimizu, Toshihito Kimura | 2004-09-14 |