Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6069697 | Optical transmission characteristic measuring apparatus and calibration method using the same | Takao Tanimoto, Hiroaki Endo, Hiroaki Ohtateme, Yasuaki Nagashima | 2000-05-30 |
| 5754571 | Tunable wavelength light source apparatus for stabilizing power intensity by using external auto-power control | Hiroaki Endoh, Yasuaki Nagashima | 1998-05-19 |
| 5585753 | Sawtooth generator and signal interpolating apparatus using the same | Hiroaki Endoh | 1996-12-17 |