Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703855 | Optical disk apparatus and recording and reading method for an optical disk using the same | Fumiyoshi Kirino, Tsuyoshi Toda, Horishi Ide, Hisataka Sugiyama, Atsushi Saito +6 more | 1997-12-30 |
| 5657308 | Apparatus for recording/reproducing information data in two dimensional format | Atsushi Saito, Hiroshi Ide | 1997-08-12 |
| 5642343 | Magnetooptic disc apparatus and recording medium | Tsuyoshi Toda, Kazuo Shigematsu, Seiichi Mita, Toshimitsu Kaku, Fumiyoshi Kirino +2 more | 1997-06-24 |
| 5625388 | Overwritable optical recording medium and recording method of the same | Masahiko Takahashi | 1997-04-29 |
| 5614938 | Three-dimensional recording and reproducing apparatus | Hisataka Sugiyama, 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, Hisataka Sugiyama, Wasao Takasugi | 1997-01-28 |