Inventor · disambiguated record
Motoyoshi Murakami
Also filed as: MURAKAMI MOTOYOSHI
32 granted patents·10 pending applications·468 citations·filing 1989–2008
97Inventor score
Top patents by PatentIndex Score
42 records- 0198US6266299B1Magneto-optical disk having write-once identification marks and method for recording thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 24, 2001·155 cites·20 claims
- 0290US6973015B1Optical disk, method for recording and reproducing additional information to and from optical disk, reproducing apparatus for optical disk, and recording and reproducing apparatus for optical diskMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Dec 6, 2005·59 cites·52 claims
- 0389US6519211B1Magneto-optical recording medium having magnetic domain shrinks and disappearsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Feb 11, 2003·20 cites·44 claims
- 0488US7590031B2Optical recording medium having BCA of write-once informationPANASONIC CORP·Filed 2007·Granted Sep 15, 2009·5 cites·19 claims
- 0587US6584046B2Method for reproducing information data from magneto-optical recording medium using linear polarized beamMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 24, 2003·16 cites·6 claims
- 0684US5656370AOptical recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Aug 12, 1997·42 cites·14 claims
- 0783US7414924B2Magneto-optical recording medium having watermark for preventing unauthorized copyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Aug 19, 2008·3 cites·4 claims
- 0879US6826131B2Magneto-optical recording medium having multiple magnetic layersMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Nov 30, 2004·17 cites·20 claims
- 0978US7535803B2Method for recording to and reproducing from a magnetic recording medium, recording and reproduction device for the same, and magnetic recording mediumPANASONIC CORP·Filed 2005·Granted May 19, 2009·3 cites·22 claims
- 1076US6767697B2Magneto-optical disk and method for producing same by initializing with a laser having a predetermined wavelengthMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jul 27, 2004·16 cites·10 claims
- 1176US5582891AOptical disk substrate with land planes of uniform heightMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Dec 10, 1996·19 cites·14 claims
- 1276US4952295AMethod of producing a deposition film of composite materialMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Aug 28, 1990·33 cites·1 claims
- 1375US6504797B1Magneto-optical recording medium having multiple magnetic layers and reproducing method thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jan 7, 2003·7 cites·11 claims
- 1467US7180831B2Magneto-optical recording medium having a recording layer of columnar structureMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Feb 20, 2007·6 cites·25 claims
- 1566US6788624B2Method and apparatus for reproducing information from a magneto-optical recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Sep 7, 2004·4 cites·4 claims
- 1665US7251200B2Apparatus for reproducing information data from magneto-optical recording medium using linear polarized beamMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 31, 2007·3 cites·3 claims
- 1765US7012857B2Magneto optical recording medium having a multilayer recording film of different thicknessMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Mar 14, 2006·5 cites·7 claims
- 1864US6018511AMagneto-optical recording medium and readout method of the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jan 25, 2000·17 cites·20 claims
- 1962US6747919B2Magneto-optical recording medium, and method and apparatus for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jun 8, 2004·5 cites·20 claims
- 2061US6975564B2Magneto-optical recording medium for use in domain wall displacement detection system, and method for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Dec 13, 2005·3 cites·12 claims
- 2160US2007058494A1Magneto-optical recording medium having a transfer control layerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 2259US7161876B2Magneto-optical recording medium, and method for recording information in a recording layerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 9, 2007·2 cites·2 claims
- 2358US6853606B2Magneto-optical storage medium capable of transferring magnetic domain from recording layer to reproducing layerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Feb 8, 2005·2 cites·36 claims
- 2458US6791908B2Magneto-optical recording medium having a transfer control layerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Sep 14, 2004·2 cites·17 claims
- 2555US7151716B2Magneto-optical recording medium having a transfer control layerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Dec 19, 2006·1 cites·8 claims
- 2653US7773343B2Magnetic recording medium, and manufacturing method, manufacturing apparatus, recording and reproduction method, and recording and reproduction apparatus for the samePANASONIC CORP·Filed 2005·Granted Aug 10, 2010·0 cites·21 claims
- 2752US7235313B2Magneto-optical recording medium, method of manufacturing magneto-optical recording medium, method of recording on magneto-optical recording medium, and method of reproduction from magneto-optical recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 26, 2007·1 cites·31 claims
- 2852US2006002243A1Manufacturing method for magneto optical recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Application pending·0 cites
- 2948US2009103401A1Magnetic recording medium, production method for the same, and recording/reproducing method for magnetic mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 3047US2009268599A1Magnetic recording medium and recording and reproducing method and apparatus for the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 3145US2008308395A1SwitchMURAKAMI MOTOYOSHI·Filed 2008·Application pending·0 cites
- 3244US2007243417A1Magnetic Recording Medium, and Manufacturing Method and Manufacturing Apparatus of the Same, Recording and Reproduction Method of Magnetic Recording Medium, and Recording and Reproduction Apparatus of the SameMURAKAMI MOTOYOSHI·Filed 2005·Application pending·0 cites
- 3343US5472758AOptical recording medium for short-wavelength of laser beam and read/write/erase method using the mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Dec 5, 1995·5 cites·8 claims
- 3442US2006024531A1Magnetic recording medium and method for manufacturing same, and method for recording and reproducing with magnetic recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Application pending·0 cites
- 3541US5679386AOptical disk formation member for making an optical disk substrateMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Oct 21, 1997·7 cites·8 claims
- 3641US2004057343A1Magnetic recording medium, method for producing the same and magnetic recording/reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Application pending·0 cites
- 3740US5518826AMagneto-optical recording medium and method of manufacturing sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted May 21, 1996·7 cites·2 claims
- 3840US2004252624A1Method of forming film on optical diskFiled 2002·Application pending·0 cites
- 3939US7126886B2Magneto-optical recording medium and method for producing the sameCANON KK·Filed 2002·Granted Oct 24, 2006·0 cites·5 claims
- 4037US5565278AMagneto-optical recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Oct 15, 1996·3 cites·14 claims
- 4136US2004076110A1Optical disk medium, optical disk device, and master production methodFiled 2001·Application pending·0 cites
- 4234US7436697B2Memory cell, memory using the memory cell, memory cell manufacturing method, and memory recording/reading methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Oct 14, 2008·0 cites·33 claims
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