Inventor
OHTA MASUMI
JP8 patents
Patents
8 patentsUS5168482ADec 1, 1992
Magnetooptical recording and playback method employing multi-layer recording medium with record holding layer and playback layer
SONY CORP78 citations96
US5579294ANov 26, 1996
Magneto-optical medium and recording and/or reproducing apparatus thereof
SONY CORP42 citations92
US5513167AApr 30, 1996
Optical recording apparatus
SONY CORP20 citations92
US5241520AAug 31, 1993
System and method of reproducing signals recorded on a magneto-optic recording medium
SONY CORP40 citations92
US5265074ANov 23, 1993
Magneto-optical recording medium
SONY CORP16 citations73
US5218581AJun 8, 1993
Magneto-optical recording medium and method for reproducing signal using an external magnetic field from such a medium
SONY CORP14 citations73
US5380573AJan 10, 1995
Optical recording medium
SONY CORP4 citations62
US5230930AJul 27, 1993
Method of fabricating a high-density magnetooptic recording medium
SONY CORP2 citations62