Inventor
NISHIJIMA HIDEO
JP117 patents
⚠️ This page may combine multiple inventors who share the name “NISHIJIMA HIDEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
42 patentsUS7096486B1Aug 22, 2006
TV program selection support system
HITACHI LTD331 citations98
US5912969AJun 15, 1999
Information receiving and recording/reproducing apparatus/method having function for limiting/delimiting for protecting copyright of recording information
HITACHI LTD95 citations98
US6801713B1Oct 5, 2004
Recorded program viewing support method
HITACHI LTD70 citations96
US5825969AOct 20, 1998
Information management apparatus for inhibiting reproduction in a video cassette recorder
HITACHI LTD30 citations96
US5719943AFeb 17, 1998
Digital information signal transmitting/receiving method and system
HITACHI LTD70 citations96
US5699370ADec 16, 1997
Information recording and reproduction apparatus to be controlled by temporal information
HITACHI LTD49 citations96
US6002831ADec 14, 1999
Image recording/reproducing apparatus
HITACHI LTD40 citations95
US5875279AFeb 23, 1999
Subscriber terminal of an interactive communication system and control device thereof
HITACHI LTD29 citations93
US7349623B1Mar 25, 2008
Data recording apparatus and system having sustained high transfer rates
HITACHI LTD19 citations92
US7209631B2Apr 24, 2007
Image recording/reproducing apparatus
HITACHI LTD18 citations92
US6987924B1Jan 17, 2006
Recorder/reproducer
HITACHI LTD15 citations92
US6587638B1Jul 1, 2003
Recording/ reproducing apparatus and input/ output device
HITACHI LTD36 citations92
US6275646B1Aug 14, 2001
Image recording/reproducing apparatus
HITACHI LTD27 citations92
US6263151B1Jul 17, 2001
Recording/reproducing apparatus and reproducing apparatus
HITACHI LTD21 citations92
US5978546ANov 2, 1999
Digital/analog compatible video tape recorder
HITACHI LTD21 citations92
US5251074AOct 5, 1993
Method and apparatus for controlling a video signal print system
HITACHI LTD36 citations92
US5057949AOct 15, 1991
Digital magnetic reproducing apparatus with variable tape speed
HITACHI LTD38 citations92
US4984083AJan 8, 1991
Image processing system
HITACHI LTD23 citations92
US4855812AAug 8, 1989
Picture synthesizing apparatus with gain control system
HITACHI LTD24 citations92
US4651067AMar 17, 1987
Apparatus for driving brushless motor
HITACHI LTD47 citations92
US4926361AMay 15, 1990
Digital noise reducer
HITACHI LTD29 citations91
US6314137B1Nov 6, 2001
Video data compression system, video recording/playback system, and video data compression encoding method
HITACHI LTD31 citations89
US7903930B2Mar 8, 2011
Data recording apparatus and system having sustained high transfer rates
HITACHI LTD12 citations84
US7835617B2Nov 16, 2010
Data recording apparatus and system having sustained high transfer rates
HITACHI LTD9 citations84
US6684024B2Jan 27, 2004
Method and apparatus for recording and playing back monitored video data
HITACHI LTD13 citations82
US4358797ANov 9, 1982
Electronic editing control apparatus for a video tape recorder
HITACHI LTD26 citations82
US4543516ASep 24, 1985
Speed and phase control system
HITACHI LTD23 citations81
US6388831B1May 14, 2002
Apparatus and method for limiting the reproduction of main information
HITACHI LTD3 citations74
US6215948B1Apr 10, 2001
Magnetic recording/reproducing apparatus and the same equipped with an image sensor
HITACHI LTD6 citations74
US6204985B1Mar 20, 2001
Information management apparatus
HITACHI LTD6 citations74
US6031677AFeb 29, 2000
Information management apparatus
HITACHI LTD3 citations74
US5930274AJul 27, 1999
Information recording and reproduction apparatus to be controlled by temporal information
HITACHI LTD6 citations74
US5463505AOct 31, 1995
Helical-scan information recording-playback apparatus
HITACHI LTD10 citations74
US5438459AAug 1, 1995
Method of processing and recording data while reproducing the same and apparatus for the method
HITACHI LTD12 citations74
US5060087AOct 22, 1991
Editing circuit for a magnetic recording and reproducing apparatus
HITACHI LTD12 citations74
US4912571AMar 27, 1990
A memory controlling apparatus for a magnetic recording and reproducing apparatus
HITACHI LTD17 citations74
US4757394AJul 12, 1988
Auto-tracking apparatus of a magnetic recording/reproducing apparatus
HITACHI LTD8 citations74
US4256975AMar 17, 1981
Limiter circuit for removing nose from demodulated signals
HITACHI LTD17 citations74
US4197505AApr 8, 1980
Limiter circuit
HITACHI LTD13 citations74
US7116620B2Oct 3, 2006
System and method for controlling recording state transitions in an information recording apparatus
HITACHI LTD6 citations73
US6996046B2Feb 7, 2006
Information recording apparatus and method
HITACHI LTD7 citations73
US6771574B2Aug 3, 2004
Disk device, read control method for management information in disk device, and data processing terminal device using that disk device
HITACHI LTD8 citations73
MAXELL LTD
4 patentsUS11711585B2Jul 25, 2023
Mobile terminal and video display apparatus
MAXELL LTD6 citations86
US11159853B2Oct 26, 2021
Mobile terminal and video display apparatus
MAXELL LTD9 citations86
US12108116B2Oct 1, 2024
Mobile terminal and video display apparatus
MAXELL LTD2 citations73
US10303433B2May 28, 2019
Portable terminal device and information processing system
MAXELL LTD1 citations73
HITACHI MAXELL
3 patentsUS9591261B2Mar 7, 2017
Video telephone device and video telephone processing method
HITACHI MAXELL8 citations84
US9942483B2Apr 10, 2018
Information processing device and method using display for auxiliary light
HITACHI MAXELL2 citations73
US9721462B2Aug 1, 2017
Terminal device and remote control method
HITACHI MAXELL3 citations73
SHIMIZU HIROSHI
1 patentShowing the top 50 of 117 patents by PatentIndex Score.