Inventor · disambiguated record
Yasuhiro Gotoh
Also filed as: GOTOH YASUHIRO
25 granted patents·617 citations·filing 1984–2004
96Inventor score
Top patents by PatentIndex Score
25 records- 0198US5452284AOptical recording/reproducing medium and apparatus using land and groove encoded information signals and identification signals including position informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Sep 19, 1995·155 cites·33 claims
- 0298US5235581AOptical recording/reproducing apparatus for optical disks with various disk substrate thicknessesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Aug 10, 1993·127 cites·24 claims
- 0395US5255260AOptical recording apparatus employing stacked recording media with spiral grooves and floating optical headsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Oct 19, 1993·88 cites·17 claims
- 0487US6118752AOptical information recording medium offset pre-pit array indicating identification informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Sep 12, 2000·51 cites·14 claims
- 0587USRE36445EOptical recording/reproducing apparatus for optical disks with various disk substrate thicknessesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Dec 14, 1999·29 cites·24 claims
- 0686US5616390AOptical recording medium permitting detection of identification signals in land areas and groove areas, optical information recording/reproducing apparatus and apparatus for producing an original disk for forming a disk substrateMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Apr 1, 1997·42 cites·67 claims
- 0783US4525657ATorque ripple compensation circuit for a brushless D.C. motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Jun 25, 1985·38 cites·4 claims
- 0877US6487147B2Optical information recording medium and an optical information recording/reproduction deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Nov 26, 2002·10 cites·3 claims
- 0976US7239588B2Method and apparatus for detecting foreign body on object surface, and optical disk apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 3, 2007·11 cites·39 claims
- 1074US5475662AOptical disc apparatus with tracking error compensationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Dec 12, 1995·23 cites·17 claims
- 1169US5694387AOptical medium having a data pattern for detecting an upside-down insertion, and reproducing apparatus for use therewithMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Dec 2, 1997·20 cites·17 claims
- 1264US6744706B2Optical system with tracking controllerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jun 1, 2004·5 cites·1 claims
- 1363US6791681B2Apparatus and method for determining existence range of foreign substanceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Sep 14, 2004·4 cites·36 claims
- 1458USRE40017EOptical recording/reproducing apparatus for optical disks with various disk substrate thicknessesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jan 22, 2008·1 cites·28 claims
- 1549USRE39883EOptical recording/reproducing apparatus for optical disks with various disk substrate thicknessesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Oct 16, 2007·0 cites·29 claims
- 1649USRE39860EOptical recording/reproducing apparatus for optical disks with various disk substrate thicknessesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Sep 25, 2007·0 cites·30 claims
- 1743US5231617AOptical information recording and reproducing apparatus and method of recording and reproducing information in an optical disk unitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Jul 27, 1993·5 cites·6 claims
- 1842USRE41928EOptical recording/reproducing apparatus for optical disks with various disk substrate thicknessesPANASONIC CORP·Filed 1999·Granted Nov 16, 2010·2 cites·33 claims
- 1942USRE40908EOptical recording/reproducing apparatus for optical disks with various disk substrate thicknessPANASONIC CORP·Filed 1999·Granted Sep 8, 2009·2 cites·38 claims
- 2038US5030847APulse-width modulator and driving circuitROHM CO LTD·Filed 1989·Granted Jul 9, 1991·4 cites·12 claims
- 2134US7436697B2Memory 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
- 2233USRE41918EOptical recording/reproducing apparatus for optical disks with various disk substrate thicknessesPANASONIC CORP·Filed 1999·Granted Nov 9, 2010·0 cites·33 claims
- 2333USRE40229EOptical recording/reproducing apparatus for optical disks with various disk substrate thicknessesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Apr 8, 2008·0 cites·35 claims
- 2433USRE40133EOptical recording/reproducing apparatus for optical disks with various disk substrate thicknessesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Mar 4, 2008·0 cites·45 claims
- 2533USRE39447EOptical recording/reproducing apparatus for optical disks with various disk substrate thicknessesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Dec 26, 2006·0 cites·42 claims
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