Issued Patents All Time
Showing 101–112 of 112 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5379275 | Thermomagnetic recording method using a recording light power modulated according to the signal to be modulated | Masahiko Kaneko, Yoshihiro Muto | 1995-01-03 |
| 5357494 | Magneto-optical playback method | — | 1994-10-18 |
| 5265074 | Magneto-optical recording medium | Masumi Ohta, Isamu Nakao | 1993-11-23 |
| 5243590 | Optical disc | — | 1993-09-07 |
| 5241520 | System and method of reproducing signals recorded on a magneto-optic recording medium | Masumi Ohta, Isamu Nakao | 1993-08-31 |
| 5230930 | Method of fabricating a high-density magnetooptic recording medium | Masahiko Kaneko, Masumi Ohta, Isamu Nakao | 1993-07-27 |
| 5218581 | Magneto-optical recording medium and method for reproducing signal using an external magnetic field from such a medium | Masumi Ohta | 1993-06-08 |
| 5168482 | Magnetooptical recording and playback method employing multi-layer recording medium with record holding layer and playback layer | Atsushi Fukumoto, Masumi Ohta | 1992-12-01 |
| 5018119 | Method for reproducing signal using an external magnetic field from magneto-optical recording medium having three magnetic layers | Minoru Kohno, Kenjiro Watanabe | 1991-05-21 |
| 4955007 | Thermomagnetic recording method applying power modulated laser on a magnetically coupled double layer structure of perpendicular anisotropy film | Tomiji Tanaka | 1990-09-04 |
| 4882231 | Magneto-optical recording medium | — | 1989-11-21 |
| 4878132 | Thermomagnetic recording method applying power modulated laser on a magnetically coupled multi-layer structure of perpendicular anisotropy magnetic film | Ariyoshi Nakaoki, Tomiji Tanaka | 1989-10-31 |