Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369628 | Magneto-optic recording medium, magneto-optic recording system and magneto-optic recording method | Kyosuke Yoshimoto, Osamu Ito, Koichi Takeuchi, Isao Watanabe, Kazuhiko Tsutsumi | 1994-11-29 |
| 5321675 | Pit spacing in the servo field of an optical disk for speed and direction detection and data retrieval | Osamu Ito, Masaharu Ogawa, Kyosuke Yoshimoto, Teruo Furukawa, Masafumi Ototake | 1994-06-14 |
| 5309415 | Information recording method for overwriting a magneto-optic recording medium with two intensities of light beams | Koichi Takeuchi, Osamu Ito, Kyosuke Yoshimoto, Isao Watanabe, Kazuhiko Tsutsumi +6 more | 1994-05-03 |