Inventor
KATSURA KOYO
JP91 patents
⚠️ This page may combine multiple inventors who share the name “KATSURA KOYO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
44 patentsUS4615005ASep 30, 1986
Data processing apparatus with clock signal control by microinstruction for reduced power consumption and method therefor
HITACHI LTD185 citations99
US5748202AMay 5, 1998
Image data processor for processing pixel data in block buffer
HITACHI LTD93 citations97
US6751605B2Jun 15, 2004
Apparatus for recognizing input character strings by inference
HITACHI LTD59 citations96
US6333745B1Dec 25, 2001
Data processor having unified memory architecture providing priority memory access
HITACHI LTD64 citations96
US6266072B1Jul 24, 2001
Graphics system
HITACHI LTD73 citations96
US6173253B1Jan 9, 2001
Sentence processing apparatus and method thereof,utilizing dictionaries to interpolate elliptic characters or symbols
HITACHI LTD70 citations96
US6097841AAug 1, 2000
Apparatus for recognizing input character strings by inference
HITACHI LTD48 citations96
US5999197ADec 7, 1999
Synchronized data processing system and image processing system
HITACHI LTD32 citations96
US5713011AJan 27, 1998
Synchronized data processing system and image processing system
HITACHI LTD50 citations96
US5706034AJan 6, 1998
Graphic processing apparatus and method
HITACHI LTD41 citations96
US5657045AAug 12, 1997
Graphic pattern processing apparatus
HITACHI LTD29 citations96
US5631668AMay 20, 1997
Graphic pattern processing apparatus
HITACHI LTD24 citations96
US5046023ASep 3, 1991
Graphic processing system having bus connection control capable of high-speed parallel drawing processing in a frame buffer and a system memory
HITACHI LTD99 citations96
US4862150AAug 29, 1989
Graphic pattern processing apparatus
HITACHI LTD50 citations96
US6781590B2Aug 24, 2004
Graphic processing system having bus connection control functions
HITACHI LTD34 citations93
US6429871B1Aug 6, 2002
Graphic processing method and system for displaying a combination of images
HITACHI LTD21 citations93
US6167497ADec 26, 2000
Data processing apparatus and register address translation method thereof
HITACHI LTD23 citations93
US5717440AFeb 10, 1998
Graphic processing having apparatus for outputting FIFO vacant information
HITACHI LTD32 citations93
US5581796ADec 3, 1996
Processing method and graphics processor for skip drawing a figure
HITACHI LTD27 citations93
US5388230AFeb 7, 1995
Parallel processor having multi-processing units either connected or bypassed in either series or parallel by the use of bus switching
HITACHI LTD23 citations93
US5175811ADec 29, 1992
Font data processor using addresses calculated on the basis of access parameters
HITACHI LTD30 citations93
US6717583B2Apr 6, 2004
Data processor having unified memory architecture providing priority memory access
HITACHI LTD16 citations92
US6600492B1Jul 29, 2003
Picture processing apparatus and picture processing method
HITACHI LTD21 citations92
US6466221B1Oct 15, 2002
Data processing system and image processing system
HITACHI LTD20 citations92
US6084599AJul 4, 2000
Graphics drawing device with hidden surface processing
HITACHI LTD24 citations92
US5940087AAug 17, 1999
Graphic processing apparatus and method
HITACHI LTD18 citations92
US5900917AMay 4, 1999
Image composing and displaying method and apparatus
HITACHI LTD26 citations92
US5751930AMay 12, 1998
Graphic processing system
HITACHI LTD31 citations92
US5680175AOct 21, 1997
Video signal conversion apparatus having a common frame memory for video signals having different synchronizing signals
HITACHI LTD24 citations92
US5448689ASep 5, 1995
Graphic data processing system
HITACHI LTD29 citations92
US5373469ADec 13, 1994
Differential amplifier with a latching function and a memory apparatus employing same
HITACHI LTD25 citations92
US5202962AApr 13, 1993
Graphic processor suitable for graphic data transfer and conversion processes
HITACHI LTD23 citations92
US4947342AAug 7, 1990
Graphic processing system for displaying characters and pictures at high speed
HITACHI LTD36 citations92
US6249608B1Jun 19, 2001
Template matching image processor utilizing sub image pixel sums and sum of squares thresholding
HITACHI LTD23 citations91
US6677950B1Jan 13, 2004
Graphics computer
HITACHI LTD17 citations82
US6433782B1Aug 13, 2002
Data processor apparatus and shading apparatus
HITACHI LTD13 citations82
US6356269B1Mar 12, 2002
Image processing device and system using the same
HITACHI LTD12 citations82
US6097404AAug 1, 2000
Data processing system and image processing system
HITACHI LTD7 citations82
US5771047AJun 23, 1998
Graphics computer
HITACHI LTD18 citations82
US5332995AJul 26, 1994
Graphic pattern processing apparatus
HITACHI LTD9 citations82
US5300947AApr 5, 1994
Graphic pattern processing apparatus
HITACHI LTD12 citations82
US5043713AAug 27, 1991
Graphic data processing apparatus for processing pixels having a number of bits which may be selected
HITACHI LTD18 citations82
US4757310AJul 12, 1988
Display controller
HITACHI LTD22 citations82
US4720708AJan 19, 1988
Display control device
HITACHI LTD15 citations82
RENESAS TECH CORP
4 patentsUS6806875B2Oct 19, 2004
Data processing apparatus and shading apparatus
RENESAS TECH CORP14 citations92
US6789210B2Sep 7, 2004
Data processing system having memory including mode register
RENESAS TECH CORP16 citations92
US6718060B1Apr 6, 2004
Character recognizer
RENESAS TECH CORP26 citations92
US6697070B1Feb 24, 2004
Graphic processing system
RENESAS TECH CORP13 citations84
HITACHI VIA MECHANICS LTD
1 patentHITACHI ENG CO LTD
1 patentShowing the top 50 of 91 patents by PatentIndex Score.