Inventor · disambiguated record
Michitaka Ohsawa
Also filed as: OHSAWA MICHITAKA
42 granted patents·2 pending applications·1,149 citations·filing 1985–2007
98Inventor score
Files withHITACHI LTD37FUJITSU HITACHI PLASMA DISPLAY3OHSAWA MICHITAKA2FUJITSU LTD1HITACHI VIDEO ENG1
Top patents by PatentIndex Score
44 records- 0195US6518977B1Color image display apparatus and methodHITACHI LTD·Filed 2000·Granted Feb 11, 2003·73 cites·8 claims
- 0293US5939826APlasma display systemHITACHI LTD·Filed 1995·Granted Aug 17, 1999·107 cites·15 claims
- 0392US6081254AColor correction system of imaging apparatusHITACHI LTD·Filed 1994·Granted Jun 27, 2000·149 cites·45 claims
- 0492US5818168AGas discharge display panel having communicable main and auxiliary discharge spaces and manufacturing method thereforHITACHI LTD·Filed 1995·Granted Oct 6, 1998·81 cites·22 claims
- 0590US6208467B1Display apparatus for displaying an image having gradationHITACHI LTD·Filed 2000·Granted Mar 27, 2001·37 cites·29 claims
- 0689US6496166B1Display apparatusHITACHI LTD·Filed 2000·Granted Dec 17, 2002·36 cites·11 claims
- 0787US6677664B2Display driver integrated circuit and flexible wiring board using a flat panel display metal chassisFUJITSU HITACHI PLASMA DISPLAY·Filed 2001·Granted Jan 13, 2004·57 cites·7 claims
- 0887US6407506B1Display apparatus, display method and control-drive circuit for display apparatusHITACHI LTD·Filed 2000·Granted Jun 18, 2002·31 cites·36 claims
- 0987US5546048AAmplifier and display apparatus employing the sameHITACHI LTD·Filed 1993·Granted Aug 13, 1996·41 cites·32 claims
- 1085US7301264B2Front plate and display device using sameHITACHI LTD·Filed 2005·Granted Nov 27, 2007·14 cites·20 claims
- 1184US6014258AColor image display apparatus and methodHITACHI LTD·Filed 1998·Granted Jan 11, 2000·54 cites·24 claims
- 1283US7557776B2Plasma display apparatusHITACHI LTD·Filed 2005·Granted Jul 7, 2009·8 cites·23 claims
- 1383US5021719ADisplayHITACHI LTD·Filed 1989·Granted Jun 4, 1991·45 cites·6 claims
- 1480US5883476AConvergence correction system with recovery function and display apparatus using the sameHITACHI LTD·Filed 1995·Granted Mar 16, 1999·92 cites·9 claims
- 1576US6741227B2Color image display apparatus and methodHITACHI LTD·Filed 2002·Granted May 25, 2004·16 cites·16 claims
- 1673US5400086AColor CRT drive apparatus and CRT display including a brightness adjustmentHITACHI LTD·Filed 1993·Granted Mar 21, 1995·31 cites·2 claims
- 1772US5258828AColor CRT drive apparatus having automatic white balance adjusting circuit and CRT displayHITACHI LTD·Filed 1990·Granted Nov 2, 1993·31 cites·16 claims
- 1871US5892492APlasma display panel with optical filtersHITACHI LTD·Filed 1996·Granted Apr 6, 1999·24 cites·19 claims
- 1971US5304946AAmplifier circuit having an operation point maintaining input and output voltages constant even if a gain thereof is variedHITACHI LTD·Filed 1991·Granted Apr 19, 1994·27 cites·43 claims
- 2069US7242372B2Plasma display apparatusFUJITSU HITACHI PLASMA DISPLAY·Filed 2002·Granted Jul 10, 2007·11 cites·6 claims
- 2169US5070280ADeflection yokeHITACHI LTD·Filed 1990·Granted Dec 3, 1991·22 cites·10 claims
- 2269US5049847ADeflection yoke with auxiliary coils for stray line radiation suppressionHITACHI LTD·Filed 1989·Granted Sep 17, 1991·17 cites·8 claims
- 2365US6538389B2Plasma display apparatus having reduced voltage drops along wiring linesHITACHI LTD·Filed 2001·Granted Mar 25, 2003·9 cites·6 claims
- 2463US4977446ADigital convergence correcting apparatusHITACHI LTD·Filed 1989·Granted Dec 11, 1990·18 cites·10 claims
- 2561US6781564B2Display apparatusHITACHI LTD·Filed 2002·Granted Aug 24, 2004·5 cites·18 claims
- 2661US4751403ATransistor driving circuit and circuit controlling methodHITACHI LTD·Filed 1985·Granted Jun 14, 1988·13 cites·50 claims
- 2760US6504310B2Display apparatusHITACHI LTD·Filed 2002·Granted Jan 7, 2003·5 cites·5 claims
- 2858US7224329B1Plasma display apparatus and manufacturing methodFUJITSU HITACHI PLASMA DISPLAY·Filed 2000·Granted May 29, 2007·6 cites·15 claims
- 2951US2008122750A1Plasma display deviceOHSAWA MICHITAKA·Filed 2007·Application pending·0 cites
- 3051US2008150837A1Plasma display apparatusOHSAWA MICHITAKA·Filed 2007·Application pending·0 cites
- 3147US6078205ACircuit device, drive circuit, and display apparatus including these componentsHITACHI LTD·Filed 1998·Granted Jun 20, 2000·12 cites·22 claims
- 3247US5272421ADigital image correction deviceHITACHI LTD·Filed 1992·Granted Dec 21, 1993·11 cites·35 claims
- 3346US5019754AHorizontal deflection circuitHITACHI VIDEO ENG·Filed 1989·Granted May 28, 1991·11 cites·5 claims
- 3445US5086259ASystem for converging a plurality of electron beams in cathode ray tubeHITACHI LTD·Filed 1990·Granted Feb 4, 1992·8 cites·10 claims
- 3544US7002535B2Display apparatusFUJITSU LTD·Filed 2004·Granted Feb 21, 2006·0 cites·2 claims
- 3644US5317239ADeflection yoke for cathode ray tubeHITACHI LTD·Filed 1993·Granted May 31, 1994·8 cites·4 claims
- 3742US5475287ACathode-ray tube apparatus and yokeHITACHI LTD·Filed 1993·Granted Dec 12, 1995·5 cites·5 claims
- 3841US5012332ACorrecting data reading device in a digital convergence correcting deviceHITACHI LTD·Filed 1989·Granted Apr 30, 1991·7 cites·7 claims
- 3938US5172035AConvergence systemHITACHI LTD·Filed 1991·Granted Dec 15, 1992·5 cites·20 claims
- 4036US4649465AVoltage stabilizer for a high-voltage generating circuitHITACHI LTD·Filed 1985·Granted Mar 10, 1987·7 cites·11 claims
- 4135US5281938ADeflection systemHITACHI LTD·Filed 1991·Granted Jan 25, 1994·5 cites·21 claims
- 4234US5059872ADigital convergence correction deviceHITACHI LTD·Filed 1991·Granted Oct 22, 1991·7 cites·4 claims
- 4331US6417822B1Display device and driving method thereofHITACHI LTD·Filed 1998·Granted Jul 9, 2002·2 cites·20 claims
- 4431US5701061ACathode-ray tube apparatus and yokeHITACHI LTD·Filed 1995·Granted Dec 23, 1997·1 cites·1 claims
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