Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5754571 | Tunable wavelength light source apparatus for stabilizing power intensity by using external auto-power control | Muneo Ishiwata, Yasuaki Nagashima | 1998-05-19 |
| 5585753 | Sawtooth generator and signal interpolating apparatus using the same | Muneo Ishiwata | 1996-12-17 |
| 5579327 | External-cavity tunable wavelength light source using semiconductor laser having phase adjustment area | Hiroaki Ohtateme, Hiroshi Goto, Ko Ikeuchi, Akihiko ASAI | 1996-11-26 |