P

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 patents
US6256286B1Jul 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 patents

OGAWA MASATSUGU

3 patents

Showing the top 50 of 56 patents by PatentIndex Score.