Inventor
OKADA HISAO
JP80 patents
⚠️ This page may combine multiple inventors who share the name “OKADA HISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
28 patentsUS6509895B2Jan 21, 2003
Voltage generating circuit, and common electrode drive circuit, signal line drive circuit and gray-scale voltage generating circuit for display devices
SHARP KK50 citations96
US5929847AJul 27, 1999
Voltage generating circuit, and common electrode drive circuit, signal line drive circuit and gray-scale voltage generating circuit for display devices
SHARP KK68 citations96
US6118421ASep 12, 2000
Method and circuit for driving liquid crystal panel
SHARP KK41 citations93
US5561442AOct 1, 1996
Method and circuit for driving a display device
SHARP KK33 citations93
US6310616B1Oct 30, 2001
Voltage generating circuit, and common electrode drive circuit signal line drive circuit and gray-scale voltage generating circuit for display device
SHARP KK34 citations92
US5673061ASep 30, 1997
Driving circuit for display apparatus
SHARP KK32 citations92
US5621439AApr 15, 1997
Voltage compensation circuit and display apparatus
SHARP KK36 citations92
US5621426AApr 15, 1997
Display apparatus and driving circuit for driving the same
SHARP KK31 citations92
US5537129AJul 16, 1996
Common electrode driving circuit for use in a display apparatus
SHARP KK54 citations92
US5521611AMay 28, 1996
Driving circuit for a display apparatus
SHARP KK26 citations92
US5402142AMar 28, 1995
Drive circuit for display apparatus
SHARP KK35 citations92
US6297813B1Oct 2, 2001
Driving circuit for display device
SHARP KK29 citations91
US6172663B1Jan 9, 2001
Driver circuit
SHARP KK52 citations90
US5784041AJul 21, 1998
Driving circuit for display device
SHARP KK23 citations90
US6288697B1Sep 11, 2001
Method and circuit for driving display device
SHARP KK35 citations89
US5686933ANov 11, 1997
Drive circuit for a display apparatus
SHARP KK14 citations81
US5623278AApr 22, 1997
Drive circuit for a display apparatus
SHARP KK14 citations81
US6797932B2Sep 28, 2004
Charge amount detection circuit and two-dimensional image sensor using same
SHARP KK11 citations74
US6433765B1Aug 13, 2002
Liquid crystal display
SHARP KK11 citations74
US5986648ANov 16, 1999
Method for transferring image data to display drive in a time series format to reduce the number of required input terminals to the driver
SHARP KK11 citations74
US5734378AMar 31, 1998
Apparatus and method for transferring image data to display driver in a time series format to reduce the number of required input terminals to the driver
SHARP KK14 citations74
US5608421AMar 4, 1997
Drive circuit for a display apparatus
SHARP KK14 citations74
US5473387ADec 5, 1995
Field decision circuit
SHARP KK10 citations74
US5440323AAug 8, 1995
Drive circuit for a display apparatus having signal voltage circuits selectively controlled by selection signal
SHARP KK12 citations74
US5367314ANov 22, 1994
Drive circuit for a display apparatus
SHARP KK7 citations74
US5247359ASep 21, 1993
Field decision circuit for providing error free odd/even field information
SHARP KK7 citations74
US5132794AJul 21, 1992
Horizontal synchronizing signal separation circuit for a display apparatus
SHARP KK15 citations74
US5635950AJun 3, 1997
Drive circuit for a display apparatus
SHARP KK11 citations73
SONY CORP
10 patentsUS4280139AJul 21, 1981
Muting circuit for a television receiver
SONY CORP24 citations82
US3944982AMar 16, 1976
Remote control system for electric apparatus
SONY CORP31 citations82
US4322855AMar 30, 1982
Remote control apparatus
SONY CORP21 citations81
US4251812AFeb 17, 1981
Remote control system
SONY CORP27 citations80
US4130804ADec 19, 1978
Channel selecting apparatus with linearized tuning
SONY CORP8 citations74
US4127821ANov 28, 1978
Channel selecting apparatus with automatic rewriting of channel identifying codes in a memory
SONY CORP8 citations74
US4127822ANov 28, 1978
Digitally controlled tuner with automatic fine tuning
SONY CORP12 citations74
US4085372AApr 18, 1978
Channel selecting apparatus for a television receiver with an electronic tuner
SONY CORP14 citations74
US4085371AApr 18, 1978
Automatically tuned memory television channel selecting apparatus
SONY CORP15 citations74
US3949403AApr 6, 1976
Remote power control apparatus
SONY CORP19 citations74
HITACHI KOKI KK
5 patentsUS6345163B1Feb 5, 2002
Developing device for image forming apparatus
HITACHI KOKI KK25 citations93
US5923933AJul 13, 1999
Electrophotographic apparatus
HITACHI KOKI KK49 citations92
US6556229B2Apr 29, 2003
Electrophotographic apparatus having a fringe development preventing mechanism
HITACHI KOKI KK9 citations74
US6480691B2Nov 12, 2002
Developing roll, developing device using the same and electrophotographic apparatus
HITACHI KOKI KK9 citations74
US6061534AMay 9, 2000
Two-color image forming apparatus that prevents fringe development
HITACHI KOKI KK12 citations74
HITACHI LTD
3 patentsUS4665282AMay 12, 1987
Tablet type coordinate input apparatus using elastic wave
HITACHI LTD47 citations90
US5548375AAug 20, 1996
Integrated printing system for automated and maintenance free operation
HITACHI LTD19 citations84
US5884119AMar 16, 1999
Light exposure controlling method of electrophotographic apparatus for suppressing fringe in picture
HITACHI LTD12 citations73
NIHON DIXIE CO LTD
1 patentHITACHI PRINTING SOLUTIONS LTD
1 patentYOSHIDA KOGYO KK
1 patentRICOH PRINTING SYS LTD
1 patentShowing the top 50 of 80 patents by PatentIndex Score.