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Your search returned 29 patents.
( 428/819.3 in Current US Classification )
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Patent IDTitleDate Filed
7060373 Magneto-optical recording medium and signal reproduction method January 27, 2004
6808823 Magneto-optical recording medium and manufacturing method therefor June 13, 2001
6770387 Magneto-optical recording medium and method of reproducing the same December 5, 2001
6767656 Magneto-optical recording medium and method of reproducing the same March 15, 2001
6707766 Magneto-optical storage media March 19, 2002
6671234 Magneto-optical storage media and method of reproducing the same June 28, 2000
6388956 Magneto-optical storage media November 16, 1999
6197440 Magnetic recording medium October 15, 1999
6086993 Magneto-optical recording medium May 4, 1998
6017620 Magneto-optical recording medium April 7, 1998
5981093 Magneto-optical recording medium and production process March 10, 1997
5966349 Rewritable high density magneto-optical disk October 30, 1997
5936916 Magneto-optical recording medium with multiple magnetic layers and methods related thereto February 4, 1998
5889740 Magneto-optical recording medium and magneto-optical recording method October 24, 1997
5774430 Optical modulation overwritable magnetooptical recording medium March 28, 1997
5764600 Overwritable, high-density magneto-optical recording medium and recording/reproduction method therefor June 5, 1995
5662988 Magneto-optical recording medium February 10, 1995
5638344 Magneto-optic recording and reproducing apparatus November 29, 1995
5627803 Magneto optical recording medium including a plurality of magnetic layers and a method for reducing thereof August 9, 1995
5593791 Magneto-optical recording medium and method of manufacturing the same October 16, 1995
5554436 Magneto-optical recording medium November 16, 1994
5547751 Magneto-optical recording medium and method of manufacturing the same March 14, 1994
5449566 Overwritable, high-density magneto-optical recording medium and recording/reproduction method therefor August 17, 1993
5389455 Over-write capable magnetooptical recording medium having C/N ratio exceeding 53 dB September 21, 1992
5309427 Overwrite-capable magnetooptical recording medium allowing enlarged margin of high level beam intensity September 9, 1991
5258237 Magneto-optic recording medium December 27, 1991
5208797 Magneto-optical recording media and apparatus November 14, 1990
5191561 Magnetooptical recording medium including five magnetic layers for direct overriding by light intensity modulation without an external bias field September 11, 1991
5164926 Over-write capable magnetooptical recording medium with four magnetic layered structure dispensing with external initializing field September 6, 1991
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