Inventor
OGAWA MASATSUGU
JP56 patents
⚠️ This page may combine multiple inventors who share the name “OGAWA MASATSUGU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
41 patentsUS6256286B1Jul 3, 2001
Method for initiating a phase change recording medium
NEC CORP22 citations92
US5878022AMar 2, 1999
High density optical information recording medium using high refractive index layer
NEC CORP25 citations92
US7158460B2Jan 2, 2007
Method and apparatus for adjusting conditions for recording and reproducing informations
NEC CORP11 citations84
US5896366AApr 20, 1999
Optical recording medium having a plurality of recorded pits of different heights and depths
NEC CORP17 citations84
US5724339AMar 3, 1998
Optical recording medium having recording pits of different shapes
NEC CORP17 citations84
US7151642B2Dec 19, 2006
Information playback method and apparatus
NEC CORP9 citations74
US6129968AOct 10, 2000
Phase change recording medium and method for recording therein and reproduction therefrom
NEC CORP12 citations74
US6094405AJul 25, 2000
Initialization method for phase change type recording medium
NEC CORP7 citations74
US11386373B2Jul 12, 2022
Work management device, work management method, and program storage medium
NEC CORP3 citations71
US7636287B2Dec 22, 2009
Reproduced signal equalizing method for optical information media and optical information reproducing/recording apparatus
NEC CORP6 citations63
US7406015B2Jul 29, 2008
Information recording medium, method of generating flag, method of producing information recording medium, method of adjusting recording conditions of information recording medium, method of recording for information recording medium and information recording device
NEC CORP3 citations63
US7154833B2Dec 26, 2006
Laser power selecting method, information recording medium, and information recording device
NEC CORP5 citations63
US6925049B2Aug 2, 2005
Optical recording medium as well as method and device for recording and reading same
NEC CORP2 citations63
US6424612B1Jul 23, 2002
Reproducing method and apparatus for optical disk
NEC CORP3 citations63
US5798987AAug 25, 1998
Low noise magneto-optical disk drive
NEC CORP5 citations63
US12539603B2Feb 3, 2026
Control device, control method, and storage medium
NEC CORP1 citations62
US11960277B2Apr 16, 2024
Unmanned vehicle controlling system and method, and nontransitory computer-readable medium
NEC CORP0 citations62
US11014650B2May 25, 2021
Moving body, moving body control system, moving body control method, interface device, and recording medium having program recorded thereon
NEC CORP0 citations62
US10095256B2Oct 9, 2018
Power control device, method, and program based on evaluation functions regarding upper limit amount of power
NEC CORP2 citations62
US7551530B2Jun 23, 2009
Optical disc recording system
NEC CORP4 citations62
US12576524B2Mar 17, 2026
Control device, control method, and recording medium
NEC CORP0 citations52
US7457218B2Nov 25, 2008
Data reproducing method using tilt adjustment and data reproducing apparatus for the same
NEC CORP2 citations52
US6885622B2Apr 26, 2005
Track offset compensation in optical disk drives using beat-inducing signals
NEC CORP0 citations52
US5917799AJun 29, 1999
Method of reading data of magneto-optical recording medium which includes a guide groove portion having land and groove areas
NEC CORP1 citations52
US5781524AJul 14, 1998
High density optical head assembly
NEC CORP1 citations52
US5748572AMay 5, 1998
Magneto-optical recording apparatus with an optical element providing a high C/N ratio
NEC CORP0 citations52
US12197200B2Jan 14, 2025
Anomaly detection apparatus, anomaly detection method, and recording medium
NEC CORP0 citations51
US11853066B2Dec 26, 2023
Control device, formation determination device, control method, and program
NEC CORP0 citations51
US11395096B2Jul 19, 2022
Information sharing device, information sharing method, and recording medium
NEC CORP0 citations51
US11188096B2Nov 30, 2021
Control apparatus, control method, and storage medium
NEC CORP0 citations51
US12544923B2Feb 10, 2026
Generation of operation sequences indicating operations to be executed by a robot executing a task and peripheral equipment that delivers or receives an object relating to the task to or from the robot
NEC CORP0 citations50
US12515333B2Jan 6, 2026
Control device, control method, and storage medium
NEC CORP0 citations50
US12370684B2Jul 29, 2025
Control device, control method and storage medium
NEC CORP0 citations50
US12318939B2Jun 3, 2025
Control device, control method and storage medium
NEC CORP0 citations50
US12070864B2Aug 27, 2024
Robot control system, robot control method, and recording medium
NEC CORP0 citations50
US11415970B2Aug 16, 2022
Control planning device, control planning system, control planning method, and recording medium
NEC CORP0 citations50
US9853887B2Dec 26, 2017
Information transfer device, delay tolerant network, information transmission method, and recording medium
NEC CORP1 citations50
US11740629B2Aug 29, 2023
Control device for autonomous operating machines, control method for autonomous operating machines, and recording medium having control program for autonomous operating machines stored thereon
NEC CORP0 citations49
US11347241B2May 31, 2022
Control device, control method, and non-transitory program recording medium
NEC CORP0 citations49
US11270592B2Mar 8, 2022
Vehicle control device, method for control of vehicle, and program for control of vehicle control device
NEC CORP0 citations49
US11163299B2Nov 2, 2021
Control device, control method, and program recording medium
NEC CORP0 citations49
TOSHIBA KK
6 patentsUS7184381B2Feb 27, 2007
Optical disk, optical disk recording/reproduction apparatus, and optical disk signal quality evaluation method
TOSHIBA KK30 citations92
US7428203B2Sep 23, 2008
Signal evaluation method, information recording/reproducing apparatus, information reproducing apparatus, and information recording medium
TOSHIBA KK7 citations72
US7471601B2Dec 30, 2008
Optical disk recording/reproducing method, optical disk recording/reproducing apparatus and optical disk
TOSHIBA KK3 citations61
US9093159B2Jul 28, 2015
Semiconductor memory device
TOSHIBA KK0 citations51
US8953390B2Feb 10, 2015
Semiconductor memory device
TOSHIBA KK1 citations51
US7336576B2Feb 26, 2008
Optical disk medium and optical disk recording/reproducing apparatus utilizing tilt detection areas having special marks
TOSHIBA KK1 citations51
OGAWA MASATSUGU
3 patentsUS10261478B2Apr 16, 2019
Method for integrated control of functional blocks and integrated control device
OGAWA MASATSUGU3 citations71
US9626635B2Apr 18, 2017
Distributed autonomous system and method for controlling distributed autonomous system
OGAWA MASATSUGU3 citations70
US9253012B2Feb 2, 2016
Path selection device, program and method
OGAWA MASATSUGU1 citations49
Showing the top 50 of 56 patents by PatentIndex Score.