Inventor
MIYAZAWA TOSHIO
JP184 patents
⚠️ This page may combine multiple inventors who share the name “MIYAZAWA TOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
20 patentsUS6686899B2Feb 3, 2004
Display device having an improved voltage level converter circuit
HITACHI LTD114 citations98
US6801194B2Oct 5, 2004
Active matrix display device
HITACHI LTD55 citations96
US6791521B2Sep 14, 2004
Liquid crystal display device having a gray-scale voltage selector circuit
HITACHI LTD54 citations96
US6445371B1Sep 3, 2002
Liquid crystal display device having a circuit for canceling threshold voltage shift of the thin film transistor
HITACHI LTD52 citations96
US6304308B1Oct 16, 2001
Liquid crystal display device with optical shield film
HITACHI LTD101 citations96
US5122881AJun 16, 1992
Solid-state imaging device with an amplifying FET in each pixel and an output capacitor in each row
HITACHI LTD65 citations96
US6373547B2Apr 16, 2002
Liquid crystal display device having pole spacers formed over optical shield film
HITACHI LTD48 citations95
US6856308B2Feb 15, 2005
Image display apparatus
HITACHI LTD27 citations93
US6657688B2Dec 2, 2003
Liquid crystal display device with reflector forming part of capacity element
HITACHI LTD38 citations93
US6433768B1Aug 13, 2002
Liquid crystal display device having a gray-scale voltage producing circuit
HITACHI LTD27 citations93
US7397472B2Jul 8, 2008
Active matrix display device
HITACHI LTD13 citations92
US6891588B2May 10, 2005
Liquid crystal display device
HITACHI LTD35 citations92
US6636280B1Oct 21, 2003
Liquid crystal display device having improved TFTs and a fabrication method thereof
HITACHI LTD32 citations92
US6567062B1May 20, 2003
Liquid crystal display apparatus and liquid crystal display driving method
HITACHI LTD36 citations92
US6522317B1Feb 18, 2003
Liquid-crystal display apparatus incorporating drive circuit in single integrated assembly
HITACHI LTD30 citations92
US5880795AMar 9, 1999
Liquid crystal display module and projection-type liquid crystal display device
HITACHI LTD31 citations92
US4896217AJan 23, 1990
Solid-state imaging device including a transparent conductor between an optical low-pass filter and an imaging sensor
HITACHI LTD110 citations92
US7042429B2May 9, 2006
Display device and method of driving same
HITACHI LTD24 citations90
US7567327B2Jul 28, 2009
Liquid crystal display device
HITACHI LTD11 citations84
US7545355B2Jun 9, 2009
Image display apparatus and driving method thereof
HITACHI LTD8 citations84
RICOH KK
10 patentsUS6115495ASep 5, 2000
Image extraction method and apparatus, and image recognition method and apparatus for extracting/recognizing specific images from input image signals
RICOH KK75 citations96
US7394470B2Jul 1, 2008
Method for reversibly transforming data format, image processing apparatus, program for reversibly transforming data format, and computer-readable recording medium thereof
RICOH KK22 citations93
US7336852B2Feb 26, 2008
Image processing apparatus, image reading apparatus, image forming apparatus and recording medium for image processing program
RICOH KK22 citations93
US5920658AJul 6, 1999
Efficient image position correction system and method
RICOH KK33 citations93
US6181820B1Jan 30, 2001
Image extraction method and apparatus and image recognition method and apparatus for extracting/recognizing specific images from input image signals
RICOH KK33 citations92
US7508988B2Mar 24, 2009
Method, program and apparatus for image processing capable of effectively performing image transmission, and a medium storing the program
RICOH KK38 citations91
US7140534B2Nov 28, 2006
Data recording medium, reading device, recording device, and methods thereof
RICOH KK20 citations91
US6256412B1Jul 3, 2001
Image recognition method and apparatus using image rotation information
RICOH KK21 citations90
US7684648B2Mar 23, 2010
Reducing the size of a document image
RICOH KK9 citations84
US7545938B2Jun 9, 2009
Digital watermarking which allows tampering to be detected on a block-specific basis
RICOH KK10 citations84
HITACHI DISPLAYS LTD
7 patentsUS7538845B2May 26, 2009
Liquid crystal display device having particular electrodes in transmission region and in reflection region
HITACHI DISPLAYS LTD16 citations93
US8049255B2Nov 1, 2011
Display device and method of manufacturing the same
HITACHI DISPLAYS LTD8 citations84
US7768614B2Aug 3, 2010
Liquid crystal display device having particular electrodes in transmission region and in reflection region
HITACHI DISPLAYS LTD10 citations84
US7724231B2May 25, 2010
Display device
HITACHI DISPLAYS LTD10 citations84
US7675592B2Mar 9, 2010
Transflective liquid crystal display device
HITACHI DISPLAYS LTD9 citations84
US7593078B2Sep 22, 2009
Transflective liquid crystal display device having liquid crystal layer in the reflective portion thicker than in the transmissive portion
HITACHI DISPLAYS LTD15 citations84
US7592990B2Sep 22, 2009
Display device
HITACHI DISPLAYS LTD9 citations84
JAPAN DISPLAY INC
5 patentsUS9892704B2Feb 13, 2018
Active matrix display device
JAPAN DISPLAY INC3 citations84
US9679952B2Jun 13, 2017
Organic electroluminescence display device
JAPAN DISPLAY INC12 citations84
US9460679B2Oct 4, 2016
Active matrix display device
JAPAN DISPLAY INC3 citations84
US9412299B2Aug 9, 2016
Drive circuit, display device, and drive method
JAPAN DISPLAY INC9 citations84
US9208743B2Dec 8, 2015
Active matrix display device
JAPAN DISPLAY INC6 citations84
HITACHI DEVICE ENG
4 patentsUS7116298B2Oct 3, 2006
Active matrix display device
HITACHI DEVICE ENG21 citations96
US7167154B2Jan 23, 2007
Display device
HITACHI DEVICE ENG45 citations93
US7274362B2Sep 25, 2007
Active matrix display device
HITACHI DEVICE ENG11 citations92
US6930666B2Aug 16, 2005
Display device having an improved voltage level converter circuit
HITACHI DEVICE ENG29 citations92
TOKYO ELECTRON LTD
1 patentTOKYO ELECTRIC CO LTD
1 patentMIYAZAWA TOSHIO
1 patentRICOH CO LTD
1 patentShowing the top 50 of 184 patents by PatentIndex Score.