Ohta; Masumi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ohta; Masumi.The latest application filed is for "optical recording apparatus".
- Ohta; Masumi - Tokyo JP
| Patent | Date |
|---|---|
| Optical recording apparatus Grant 5,513,167 - Udagawa , et al. April 30, 1 | 1996-04-30 |
| Magneto-optical recording medium Grant 5,265,074 - Ohta , et al. November 23, 1 | 1993-11-23 |
| System and method of reproducing signals recorded on a magneto-optic recording medium Grant 5,241,520 - Ohta , et al. August 31, 1 | 1993-08-31 |
| Method of fabricating a high-density magnetooptic recording medium Grant 5,230,930 - Aratani , et al. July 27, 1 | 1993-07-27 |
| Magneto-optical recording medium and method for reproducing signal using an external magnetic field from such a medium Grant 5,218,581 - Ohta , et al. June 8, 1 | 1993-06-08 |
| Magnetooptical recording and playback method employing multi-layer recording medium with record holding layer and playback layer Grant 5,168,482 - Aratani , et al. December 1, 1 | 1992-12-01 |
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