Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315573 | Non-linear optical saturable absorber layer in an optical disk to discriminate wavelength above or below a threshold level of intensity | Takeshi Nakao, Akira Arimoto, Kensuke Ogawa, Hisataka Sugiyama | 1994-05-24 |
| 5313448 | Laser device driven by a periodic waveform optimized for reducing laser noise | Shigeru Nakamura | 1994-05-17 |
| 5295121 | Magneto-optic recording/reproducing method and device and magneto-optic recording medium used for them | Keizo Kato | 1994-03-15 |