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Your search returned 43 patents.
( 369/13.45 in Current US Classification )
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Patent IDTitleDate Filed
6590836 Magneto optical recording medium capable of preventing a reproduction layer from having a degraded characteristic September 25, 2000
6534162 Magneto-optical recording medium June 29, 2000
6521357 Magneto-optical recording medium July 10, 2000
6430116 Magneto-optical storage medium having first and second recording layers May 5, 2000
6333899 High density magneto-optical recording medium and production method thereof October 28, 1999
6333890 Memory device with a plurality of common data buses October 25, 2000
6324127 Magneto-optical recording layer having double-layer structure and magneto-optical disk adopting the same January 17, 1997
6319623 Magneto-optical recording medium February 4, 2000
6319583 Lubricated and overcoated magneto-optical media with improved tribological performance March 16, 1999
6118736 Magneto-optical recording medium having a reading layer in which transferred recording marks are extended September 25, 1998
6096444 Magneto-optical recording medium capable of double mask readout February 2, 1998
5966350 Magneto-optical recording medium and method of reading the same March 12, 1998
5966349 Rewritable high density magneto-optical disk October 30, 1997
5830589 Magneto-optical recording medium, and information reproducing method using the medium February 21, 1995
5787056 Magneto-optical recording medium with multiple magnetic layers December 13, 1996
5777953 Arrangement of magneto-optical recording medium which capable of reproducing an individual bit December 18, 1996
5774430 Optical modulation overwritable magnetooptical recording medium March 28, 1997
5754500 Magneto-optical recording medium and method of reading the same March 11, 1997
5723227 Magneto-optical recording medium and reproducing method for information recorded on the medium January 4, 1995
5684764 Magneto-optical recording medium having a plurality of magnetic layers February 1, 1996
5665467 Magneto-optical recording medium February 15, 1994
5662988 Magneto-optical recording medium February 10, 1995
5648162 Magneto-optical recording medium and a method of recording and/or reproducing using the same December 30, 1993
5615180 Magneto-optical recording medium and magneto-optical recording apparatus capable of performing a light-modulation overwriting operation February 18, 1994
5502692 Method and apparatus for recording, reproducing and overwriting information on or from a magnetooptic disk having three magnetic layers March 24, 1993
5493545 Magnetooptical recording medium with overwrite capabilities and method for using the same December 2, 1994
5449566 Overwritable, high-density magneto-optical recording medium and recording/reproduction method therefor August 17, 1993
5379275 Thermomagnetic recording method using a recording light power modulated according to the signal to be modulated October 5, 1993
5278810 Magneto-optical recording medium whereon recording is carried out with an overwriting function July 7, 1992
5187694 Magneto-optical recording medium comprising recording layer and thermal bias layer, and method for recording, erasing and overwriting on the medium May 19, 1992
5173885 Magneto-optical recording medium and system for use with short wavelength light September 6, 1991
5142513 Magneto-optical storage medium and magneto-optical overwrite system with magnetic characteristic change by variation of thermal condition for recording information April 20, 1990
5025430 Magneto-optic recording and reproducing apparatus including a multiple layer recording medium having a premagnetized bias layer replacing an external bias magnetic March 31, 1988
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