Inventor · disambiguated record
Koyo Katsura
Also filed as: KATSURA KOYO
91 granted patents·1 pending application·2,024 citations·filing 1981–2010
99Inventor score
Files withHITACHI LTD77RENESAS TECH CORP10HITACHI ENG CO LTD2HITACHI VIA MECHANICS LTD1NAKATSUKA YASUHIRO1
Top patents by PatentIndex Score
92 records- 0196US4615005AData processing apparatus with clock signal control by microinstruction for reduced power consumption and method thereforHITACHI LTD·Filed 1984·Granted Sep 30, 1986·185 cites·32 claims
- 0291US5748202AImage data processor for processing pixel data in block bufferHITACHI LTD·Filed 1995·Granted May 5, 1998·93 cites·16 claims
- 0390US5713011ASynchronized data processing system and image processing systemHITACHI LTD·Filed 1994·Granted Jan 27, 1998·50 cites·10 claims
- 0490US5046023AGraphic processing system having bus connection control capable of high-speed parallel drawing processing in a frame buffer and a system memoryHITACHI LTD·Filed 1987·Granted Sep 3, 1991·99 cites·29 claims
- 0588US6466221B1Data processing system and image processing systemHITACHI LTD·Filed 2001·Granted Oct 15, 2002·20 cites·30 claims
- 0688US4862150AGraphic pattern processing apparatusHITACHI LTD·Filed 1984·Granted Aug 29, 1989·50 cites·27 claims
- 0787US6781590B2Graphic processing system having bus connection control functionsHITACHI LTD·Filed 2001·Granted Aug 24, 2004·34 cites·8 claims
- 0887US6333745B1Data processor having unified memory architecture providing priority memory accessHITACHI LTD·Filed 1997·Granted Dec 25, 2001·64 cites·13 claims
- 0986US7006134B1Pen type input device with cameraHITACHI VIA MECHANICS LTD·Filed 1999·Granted Feb 28, 2006·94 cites·5 claims
- 1086US6751605B2Apparatus for recognizing input character strings by inferenceHITACHI LTD·Filed 2001·Granted Jun 15, 2004·59 cites·10 claims
- 1184US5999197ASynchronized data processing system and image processing systemHITACHI LTD·Filed 1997·Granted Dec 7, 1999·32 cites·16 claims
- 1284US5706034AGraphic processing apparatus and methodHITACHI LTD·Filed 1994·Granted Jan 6, 1998·41 cites·17 claims
- 1382US8332683B2Data processing system and image processing systemSATOH JUN·Filed 2010·Granted Dec 11, 2012·2 cites·10 claims
- 1482US6717583B2Data processor having unified memory architecture providing priority memory accessHITACHI LTD·Filed 2001·Granted Apr 6, 2004·16 cites·20 claims
- 1581US6789210B2Data processing system having memory including mode registerRENESAS TECH CORP·Filed 2003·Granted Sep 7, 2004·16 cites·7 claims
- 1681US4947342AGraphic processing system for displaying characters and pictures at high speedHITACHI LTD·Filed 1986·Granted Aug 7, 1990·36 cites·18 claims
- 1780US7711976B2Data processing system and image processing systemRENESAS TECH CORP·Filed 2007·Granted May 4, 2010·6 cites·16 claims
- 1879US6266072B1Graphics systemHITACHI LTD·Filed 1995·Granted Jul 24, 2001·73 cites·6 claims
- 1977US4757310ADisplay controllerHITACHI LTD·Filed 1984·Granted Jul 12, 1988·22 cites·6 claims
- 2076US4779210AGraphic processing apparatusHITACHI ENG CO LTD·Filed 1985·Granted Oct 18, 1988·56 cites·22 claims
- 2175US6806875B2Data processing apparatus and shading apparatusRENESAS TECH CORP·Filed 2002·Granted Oct 19, 2004·14 cites·17 claims
- 2275US6173253B1Sentence processing apparatus and method thereof,utilizing dictionaries to interpolate elliptic characters or symbolsHITACHI LTD·Filed 1999·Granted Jan 9, 2001·70 cites·6 claims
- 2374US5751930AGraphic processing systemHITACHI LTD·Filed 1994·Granted May 12, 1998·31 cites·23 claims
- 2472US7082224B2Statistic calculating method using a template and corresponding sub-image to determine similarity based on sum of squares thresholdingHITACHI LTD·Filed 2005·Granted Jul 25, 2006·8 cites·14 claims
- 2572US6356269B1Image processing device and system using the sameHITACHI LTD·Filed 2000·Granted Mar 12, 2002·12 cites·8 claims
- 2672US5373469ADifferential amplifier with a latching function and a memory apparatus employing sameHITACHI LTD·Filed 1992·Granted Dec 13, 1994·25 cites·13 claims
- 2771US5900917AImage composing and displaying method and apparatusHITACHI LTD·Filed 1997·Granted May 4, 1999·26 cites·8 claims
- 2871US5717440AGraphic processing having apparatus for outputting FIFO vacant informationHITACHI LTD·Filed 1994·Granted Feb 10, 1998·32 cites·33 claims
- 2971US5657045AGraphic pattern processing apparatusHITACHI LTD·Filed 1995·Granted Aug 12, 1997·29 cites·33 claims
- 3068US6288728B1Data processing system and image processing systemHITACHI LTD·Filed 2000·Granted Sep 11, 2001·7 cites·4 claims
- 3168US5631668AGraphic pattern processing apparatusHITACHI LTD·Filed 1995·Granted May 20, 1997·24 cites·134 claims
- 3268US5448689AGraphic data processing systemHITACHI LTD·Filed 1994·Granted Sep 5, 1995·29 cites·35 claims
- 3367US6550014B2Data processing system and image processing systemHITACHI LTD·Filed 2002·Granted Apr 15, 2003·6 cites·4 claims
- 3467US5680175AVideo signal conversion apparatus having a common frame memory for video signals having different synchronizing signalsHITACHI LTD·Filed 1995·Granted Oct 21, 1997·24 cites·3 claims
- 3567US4720708ADisplay control deviceHITACHI LTD·Filed 1984·Granted Jan 19, 1988·15 cites·29 claims
- 3666US5940087AGraphic processing apparatus and methodHITACHI LTD·Filed 1996·Granted Aug 17, 1999·18 cites·38 claims
- 3766US5175811AFont data processor using addresses calculated on the basis of access parametersHITACHI LTD·Filed 1991·Granted Dec 29, 1992·30 cites·27 claims
- 3864US5581796AProcessing method and graphics processor for skip drawing a figureHITACHI LTD·Filed 1993·Granted Dec 3, 1996·27 cites·17 claims
- 3964US5043713AGraphic data processing apparatus for processing pixels having a number of bits which may be selectedHITACHI LTD·Filed 1989·Granted Aug 27, 1991·18 cites·9 claims
- 4063US6084599AGraphics drawing device with hidden surface processingHITACHI LTD·Filed 1997·Granted Jul 4, 2000·24 cites·4 claims
- 4162US6097841AApparatus for recognizing input character strings by inferenceHITACHI LTD·Filed 1997·Granted Aug 1, 2000·48 cites·15 claims
- 4261US6646651B1Display controllerHITACHI LTD·Filed 2000·Granted Nov 11, 2003·4 cites·3 claims
- 4360US7254737B2Data processing system and image processing systemRENESAS TECH CORP·Filed 2004·Granted Aug 7, 2007·3 cites·8 claims
- 4460US6492992B2Graphic pattern processing apparatusHITACHI LTD·Filed 2001·Granted Dec 10, 2002·4 cites·23 claims
- 4559US7142213B2Graphics drawing device and methodHITACHI ENG CO LTD·Filed 2004·Granted Nov 28, 2006·5 cites·2 claims
- 4659US4446517AMicroprogram memory with page addressing and address decode in memoryHITACHI LTD·Filed 1981·Granted May 1, 1984·23 cites·14 claims
- 4758US6429871B1Graphic processing method and system for displaying a combination of imagesHITACHI LTD·Filed 1997·Granted Aug 6, 2002·21 cites·2 claims
- 4857US6377267B1Graphic processing apparatus and methodHITACHI LTD·Filed 2000·Granted Apr 23, 2002·2 cites·6 claims
- 4957US5300947AGraphic pattern processing apparatusHITACHI LTD·Filed 1991·Granted Apr 5, 1994·12 cites·53 claims
- 5056US7333116B2Data processor having unified memory architecture using register to optimize memory accessRENESAS TECH CORP·Filed 2005·Granted Feb 19, 2008·0 cites·8 claims
Showing the top 50 of 92 patent records by PatentIndex Score.
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