Issued Patents All Time
Showing 126–134 of 134 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5387998 | Shorter wavelength light generating apparatus in which coherent light is converted into shorter wavelength light | Yasuo Kitaoka, Kazuhisa Yamamoto, Makoto Kato | 1995-02-07 |
| 5373575 | Frequency doubler and short wave laser source using the same and optical data processing apparatus using the short wave laser source | Kazuhisa Yamamoto | 1994-12-13 |
| 5357533 | Frequency doubler and laser source | Kazuhisa Yamamoto, Makoto Kato, Hisanao Sato, Hiroaki Yamamoto | 1994-10-18 |
| 5323262 | Wavelength conversion device | Kazuhisa Yamamoto, Tetsuo Taniuchi, Yoichi Sasai | 1994-06-21 |
| 5303247 | Optical harmonic generating device for generating harmonic wave from fundamental wave and shorter wavelength laser generating apparatus in which fundamental wave of laser is converted to harmonic wave with the device | Kazuhisa Yamamoto | 1994-04-12 |
| 5301059 | Short-wavelength light generating apparatus | Yasuo Kitaoka, Kazuhisa Yamamoto, Makoto Kato, Fumihiro Sogawa | 1994-04-05 |
| 5253259 | Frequency doubler and visible laser source having a heater | Kazuhisa Yamamoto, Tetsuo Taniuchi | 1993-10-12 |
| 5221310 | Method of manufacturing wavelength conversion device | Kazuhisa Yamamoto, Tetsuo Taniuchi, Yoichi Sasai | 1993-06-22 |
| 5142596 | Tapered light wave guide and wavelength converting element using the same | Kazuhisa Yamamoto, Tetsuo Taniuchi | 1992-08-25 |