Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703846 | Optical disk tracking control method, optical disk device, and optical disk with increased recording density | Atsushi Saito | 1997-12-30 |
| 5703855 | Optical disk apparatus and recording and reading method for an optical disk using the same | Fumiyoshi Kirino, Tsuyoshi Toda, Horishi Ide, Atsushi Saito, Hiroyuki Tsuchinaga +6 more | 1997-12-30 |
| 5648949 | Method and apparatus for information reproduction at variable reference level | Harukazu Miyamoto, Kiyoshi Matsumoto | 1997-07-15 |
| 5614938 | Three-dimensional recording and reproducing apparatus | Takeshi Maeda, Kiyoshi Matsumoto, Motoyasu Terao, Shigenori Okamine, Tetsuya Nishida +1 more | 1997-03-25 |
| RE35435 | Method and apparatus for information recording and reproduction of a pit-shape-forming optical recording type | Atsushi Saito, Takeshi Maeda, Wasao Takasugi | 1997-01-28 |