Inventor
HONDA HIROFUMI
JP53 patents
⚠️ This page may combine multiple inventors who share the name “HONDA HIROFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER CORP
26 patentsUS6552736B2Apr 22, 2003
Display panel driving method
PIONEER CORP98 citations98
US7345682B2Mar 18, 2008
Display panel driver having multi-grayscale processing function
PIONEER CORP26 citations92
US6950114B2Sep 27, 2005
Apparatus for compensating for luminance level of video signal
PIONEER CORP30 citations92
US6509933B1Jan 21, 2003
Video signal converting apparatus
PIONEER CORP25 citations92
US6465970B2Oct 15, 2002
Plasma display panel driving method
PIONEER CORP27 citations92
US7268820B2Sep 11, 2007
Video signal conversion apparatus delivering enhanced display quality for video signals from film and video sources
PIONEER CORP17 citations84
US6747616B2Jun 8, 2004
Display panel driving method
PIONEER CORP13 citations84
US6661917B1Dec 9, 2003
Gradation correcting apparatus
PIONEER CORP17 citations84
US7702175B2Apr 20, 2010
Image processing apparatus for enhancing high frequency components
PIONEER CORP10 citations81
US6483248B2Nov 19, 2002
Display device
PIONEER CORP9 citations74
US6479943B2Nov 12, 2002
Display panel driving method
PIONEER CORP13 citations74
US6377307B1Apr 23, 2002
Line interpolation apparatus and video signal conversion device
PIONEER CORP10 citations74
US7142174B2Nov 28, 2006
Driving method of plasma display panel
PIONEER CORP3 citations63
US6798393B2Sep 28, 2004
Plasma display device
PIONEER CORP2 citations63
US6714187B2Mar 30, 2004
Infrared remote control device for plasma display device
PIONEER CORP3 citations63
US6704446B2Mar 9, 2004
Luminance gradation correcting apparatus for a video signal
PIONEER CORP4 citations63
US6642911B2Nov 4, 2003
Plasma display panel driving method
PIONEER CORP4 citations63
US6621474B2Sep 16, 2003
Plasma display apparatus
PIONEER CORP6 citations63
US6472825B2Oct 29, 2002
Method for driving a plasma display panel
PIONEER CORP3 citations63
US8023765B2Sep 20, 2011
Block noise removal device
PIONEER CORP2 citations58
US7453477B2Nov 18, 2008
Driving device for a display panel
PIONEER CORP1 citations51
US7317431B2Jan 8, 2008
Display panel driving method
PIONEER CORP1 citations51
US7974491B2Jul 5, 2011
Block noise removal device
PIONEER CORP1 citations47
US7576714B2Aug 18, 2009
Display-panel driving method
PIONEER CORP0 citations42
US7379035B2May 27, 2008
Display panel driver device
PIONEER CORP0 citations41
US7139030B2Nov 21, 2006
Video signal processing apparatus
PIONEER CORP0 citations39
CANON KK
13 patentsUS6538697B1Mar 25, 2003
Man-machine interface apparatus and method
CANON KK33 citations93
US6412076B1Jun 25, 2002
Signal processing apparatus and image sensing apparatus
CANON KK26 citations93
US9843728B2Dec 12, 2017
Focus control apparatus, control method therefor, storage medium therefor, and image capturing apparatus
CANON KK2 citations72
US7868941B2Jan 11, 2011
Data transfer apparatus, image capturing apparatus, and data transfer system
CANON KK2 citations63
US6848056B2Jan 25, 2005
System and method to regulate shut down of power supply by sensing an external device connection, and status of connection
CANON KK3 citations63
US11678052B2Jun 13, 2023
Control apparatus, image pickup apparatus, control method, and storage medium
CANON KK0 citations62
US8385171B2Feb 26, 2013
Information recording apparatus, and control method therefor
CANON KK3 citations60
US11424703B2Aug 23, 2022
Motor control device, motor control method, and optical apparatus
CANON KK0 citations59
US12401902B2Aug 26, 2025
Control apparatus, image pickup apparatus, control method, and storage medium
CANON KK0 citations52
US10715064B2Jul 14, 2020
Control device, optical device, control method, and storage medium
CANON KK0 citations52
US9088709B2Jul 21, 2015
Image processing apparatus and method for controlling the same, and image pickup apparatus
CANON KK1 citations52
US10113888B2Oct 30, 2018
Position detection apparatus, apparatus including the same and position detection method
CANON KK1 citations51
US8830802B2Sep 9, 2014
Information recording apparatus, and control method therefor
CANON KK0 citations49
PIONEER ELECTRONIC CORP
4 patentsUS6297788B1Oct 2, 2001
Half tone display method of display panel
PIONEER ELECTRONIC CORP62 citations96
US6154257ANov 28, 2000
Method for identifying input video signal and processing the video signal
PIONEER ELECTRONIC CORP25 citations92
US7561204B1Jul 14, 2009
Method for interpolating between scanning lines of a video signal
PIONEER ELECTRONIC CORP9 citations84
US7548275B1Jun 16, 2009
Method for interpolating a video signal
PIONEER ELECTRONIC CORP5 citations63
TAIYO YUDEN KK
2 patentsFUJI SILYSIA CHEMICAL LTD
1 patentPIONEER DISPLAY PROD CORP
1 patentPRIMETALS TECH JAPAN LTD
1 patentPANASONIC CORP
1 patentHONDA HIROFUMI
1 patentShowing the top 50 of 53 patents by PatentIndex Score.