Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373491 | Wavelength-multiple optical recording medium | Norio Murase, Shigenori Okamine | 1994-12-13 |
| 5368986 | Information recording media, manufacturing method for the same, and information recording method | Keikichi Andoo, Shigenori Okamine, Yasushi Miyauchi, Masahiko Takahashi, Masaaki Futamoto +1 more | 1994-11-29 |
| 5293567 | Optical recording method | Masahiro Ojima, Yoshio Taniguchi, Yasushi Tomioka, Shuji Imazeki | 1994-03-08 |