Issued Patents 1997
Showing 1–4 of 4 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 |
| 5644554 | Magnetic head load/unload device, method and a magneto-optical disk apparatus using the same | Kunio Harada, Masuo Kasai, Masahiro Ojima | 1997-07-01 |
| 5642343 | Magnetooptic disc apparatus and recording medium | Tsuyoshi Toda, Kazuo Shigematsu, Seiichi Mita, Takeshi Maeda, Fumiyoshi Kirino +2 more | 1997-06-24 |
| 5629913 | Optical disk recording control method and apparatus for recording user data based on test signal | Masahiko Ishimaru | 1997-05-13 |