Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5836073 | Method of making optical wavelength converting device | Kiminori Mizuuchi, Kazuhisa Yamamoto | 1998-11-17 |
| 5506722 | Optical wavelength converting device for converting fundamental waves into harmonic waves and shorter wavelength coherent light generating apparatus with the device | Kiminori Mizuuchi, Kazuhisa Yamamoto | 1996-04-09 |
| 5453867 | Analog optical transmission system | Jun Ohya, Toshihiro Fujita | 1995-09-26 |
| 5426656 | Laser element doped with rare earth ions, optical amplifier element doped with rare earth ions and rare-earth-ion-doped short-wavelength laser light source apparatus | Genji Tohmon, Jun Ohya, Tomoaki Uno | 1995-06-20 |
| 5357533 | Frequency doubler and laser source | Kiminori Mizuuchi, Kazuhisa Yamamoto, Makoto Kato, Hiroaki Yamamoto | 1994-10-18 |
| 5341237 | Rare earth ion doped optical element | Genji Tohmon, Toshihiro Fujita, Jun Ohya | 1994-08-23 |
| 5321708 | Optical fiber amplifier doped with dysprosium ion for the 1.3 .mu.m wavelength band | Genji Tohmon, Jun Ohya, Toshihiro Fujita | 1994-06-14 |
| 4677630 | Oscillation frequency stabilized semiconductor laser | Toshihiro Fujita, Satoshi Ishizuka, Katsuyuki Fujito | 1987-06-30 |