Issued Patents 1994
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341449 | Wavelength converting device and its method for manufacturing | — | 1994-08-23 |
| 5337399 | Wavelength conversion element | Hiroyuki Ota | 1994-08-09 |
| 5303224 | Optical pickup, optical information recording carrier and recording and reproducing apparatus thereof | Sota Okamoto | 1994-04-12 |
| 5285508 | Optical wavelength converter | — | 1994-02-08 |
| 5285274 | Optical waveguide recording medium and apparatus for playing the same | Naohiro Tanno, Teruo Toma | 1994-02-08 |
| 5283777 | Three-dimensional optical recording medium and optical information recording apparatus using the same | Naohiro Tanno, Teruo Toma | 1994-02-01 |
| 5278930 | Fiber type wavelength converter | Sota Okamoto | 1994-01-11 |