Inventor
YOKOTA YOSHIKAZU
JP46 patents
⚠️ This page may combine multiple inventors who share the name “YOKOTA YOSHIKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
24 patentsUS6181313B1Jan 30, 2001
Liquid crystal display controller and liquid crystal display device
HITACHI LTD93 citations98
US6633274B1Oct 14, 2003
Liquid crystal display controller and liquid crystal display device
HITACHI LTD34 citations96
US6323930B1Nov 27, 2001
Liquid crystal display device, production method thereof and mobile telephone
HITACHI LTD49 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
US7151549B2Dec 19, 2006
Display device and display driving device for displaying display data
HITACHI LTD14 citations93
US6781590B2Aug 24, 2004
Graphic processing system having bus connection control functions
HITACHI LTD34 citations93
US6753880B2Jun 22, 2004
Display device and display driving device for displaying display data
HITACHI LTD37 citations93
US6429871B1Aug 6, 2002
Graphic processing method and system for displaying a combination of images
HITACHI LTD21 citations93
US5717440AFeb 10, 1998
Graphic processing having apparatus for outputting FIFO vacant information
HITACHI LTD32 citations93
US5757353AMay 26, 1998
Display control device
HITACHI LTD17 citations92
US6795047B2Sep 21, 2004
Liquid crystal driver circuit and liquid crystal display device
HITACHI LTD13 citations84
US5313583AMay 17, 1994
Controller integrated circuit device for controlling a control unit by providing control data thereto
HITACHI LTD16 citations82
US6396464B2May 28, 2002
Liquid-crystal display control apparatus
HITACHI LTD7 citations74
US6259421B1Jul 10, 2001
Liquid-crystal display control apparatus
HITACHI LTD7 citations74
US6005537ADec 21, 1999
Liquid-crystal display control apparatus
HITACHI LTD13 citations74
US4845657AJul 4, 1989
Controller integrated circuit
HITACHI LTD9 citations74
US5909206AJun 1, 1999
Display control device
HITACHI LTD16 citations73
US7852358B2Dec 14, 2010
Display device with control of steady-state current of a generation circuit
HITACHI LTD2 citations63
US5034913AJul 23, 1991
Controller integrated circuit
HITACHI LTD2 citations63
US5341471AAug 23, 1994
Controller for accessing an image data memory based on a state of a hard copy printer
HITACHI LTD4 citations62
US5179635AJan 12, 1993
Image memory controller
HITACHI LTD2 citations62
US5067097ANov 19, 1991
Image memory controller
HITACHI LTD5 citations62
US7355596B2Apr 8, 2008
Liquid crystal drive circuit and liquid crystal display device
HITACHI LTD2 citations58
US5493645AFeb 20, 1996
Controller for accessing an image data memory based on a state of a hard copy printer
HITACHI LTD0 citations52
RENESAS TECH CORP
11 patentsUS7480164B2Jan 20, 2009
Semiconductor integrated circuit with voltage generation circuit, liquid crystal display controller and mobile electric equipment
RENESAS TECH CORP21 citations92
US7317627B2Jan 8, 2008
Semiconductor integrated circuit with voltage generation circuit, liquid crystal display controller and mobile electric equipment
RENESAS TECH CORP23 citations92
US7233511B2Jun 19, 2007
Semiconductor integrated circuit with voltage generation circuit, liquid crystal display controller and mobile electric equipment
RENESAS TECH CORP14 citations92
US7145541B2Dec 5, 2006
Display driver control circuit and electronic equipment with display device
RENESAS TECH CORP20 citations92
US7110274B1Sep 19, 2006
Semiconductor integrated circuit with voltage generation circuit, liquid crystal display controller and mobile electric equipment
RENESAS TECH CORP26 citations92
US7068253B2Jun 27, 2006
Liquid crystal display controller
RENESAS TECH CORP25 citations92
US6747628B2Jun 8, 2004
Liquid crystal display controller and liquid crystal display device
RENESAS TECH CORP4 citations73
US7804573B2Sep 28, 2010
Liquid crystal display device, method for fabricating the same, and portable telephone using the same
RENESAS TECH CORP3 citations63
US7453433B2Nov 18, 2008
Liquid crystal display controller
RENESAS TECH CORP3 citations63
US7688303B2Mar 30, 2010
Liquid crystal display controller and liquid crystal display device
RENESAS TECH CORP0 citations52
US7286110B2Oct 23, 2007
Liquid crystal display controller and liquid crystal display device
RENESAS TECH CORP0 citations52
RENESAS ELECTRONICS CORP
4 patentsUS8823627B2Sep 2, 2014
Liquid crystal display controller
RENESAS ELECTRONICS CORP3 citations63
US8941578B2Jan 27, 2015
Liquid crystal display controller and liquid crystal display device
RENESAS ELECTRONICS CORP1 citations62
US8009259B2Aug 30, 2011
Liquid crystal display device, method for fabricating the same, and portable telephone using the same
RENESAS ELECTRONICS CORP0 citations52
US7876414B2Jan 25, 2011
Liquid crystal display device, method for fabricating the same, and portable telephone using the same
RENESAS ELECTRONICS CORP0 citations52
HITACHI DEVICE ENG
2 patentsUS6898096B2May 24, 2005
Semiconductor integrated circuit with voltage generation circuit, liquid crystal display controller and mobile electric equipment
HITACHI DEVICE ENG47 citations96
US6924868B2Aug 2, 2005
Liquid crystal display device, method for fabricating the same, and portable telephone using the same
HITACHI DEVICE ENG10 citations74