Inventor

Masatsugu Ogawa

Inventor
Tokyo, JP

Overview

36→
Patents
1998–2019
Patent span
Physics
Primary field (CPC G)

Patents· 36 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer45%
G05BControl or regulating systems in general9%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes7%
H04LTransmission of digital information, e.g. telegraphic communication7%
G05FSystems for regulating electric or magnetic variables4%
G11CStatic stores4%
H02JElectric power networks4%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids4%
G01CMeasuring distances, levels or bearings2%
G06FElectric digital data processing2%
PatentTitleYear
10,261,478Method for integrated control of functional blocks and integrated control device201910,095,256Power control device, method, and program based on evaluation functions regarding upper limit amount of power20189,910,412'State control device, control method, and program'20189,904,307'Control method for distributed autonomous system and distributed autonomous system'20189,853,887Information transfer device, delay tolerant network, information transmission method, and recording medium20179,712,609'Computer network system and method of determining necessity of transferring load in computer network system'20179,626,635'Distributed autonomous system and method for controlling distributed autonomous system'20179,256,802'Object or shape information representation method'20169,253,012'Path selection device, program and method'20169,093,159'Semiconductor memory device'20158,953,390'Semiconductor memory device'20157,636,287'Reproduced signal equalizing method for optical information media and optical information reproducing/recording apparatus'20097,586,625'Position verifying apparatus and method, position measuring apparatus and method, and computer program for position verification or position measurement'20097,551,530'Optical disc recording system'20097,471,601'Optical disk recording/reproducing method, optical disk recording/reproducing apparatus and optical disk'20087,457,218'Data reproducing method using tilt adjustment and data reproducing apparatus for the same'20087,428,203'Signal evaluation method, information recording/reproducing apparatus, information reproducing apparatus, and information recording medium'20087,406,015'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'20087,336,576'Optical disk medium and optical disk recording/reproducing apparatus utilizing tilt detection areas having special marks'20087,184,381'Optical disk, optical disk recording/reproduction apparatus, and optical disk signal quality evaluation method'20077,158,460'Method and apparatus for adjusting conditions for recording and reproducing informations'20077,154,833'Laser power selecting method, information recording medium, and information recording device'20067,151,642'Information playback method and apparatus'20066,925,049'Optical recording medium as well as method and device for recording and reading same'20056,885,622'Track offset compensation in optical disk drives using beat-inducing signals'20056,424,612'Reproducing method and apparatus for optical disk'20026,256,286'Method for initiating a phase change recording medium'20016,129,968'Phase change recording medium and method for recording therein and reproduction therefrom'20006,094,405'Initialization method for phase change type recording medium'20005,917,799'Method of reading data of magneto-optical recording medium which includes a guide groove portion having land and groove areas'19995,896,366'Optical recording medium having a plurality of recorded pits of different heights and depths'19995,878,022'High density optical information recording medium using high refractive index layer'19995,798,987'Low noise magneto-optical disk drive'19985,781,524'High density optical head assembly'19985,748,572'Magneto-optical recording apparatus with an optical element providing a high C/N ratio'19985,724,339'Optical recording medium having recording pits of different shapes'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2019Patents assigned to NEC CORP (33)· patent assignee history
1998–2019Based in Tokyo, JP· patent location history
2007–2015Patents assigned to TOSHIBA KK (7)· patent assignee history
2015Based in Kanagawa, JP· patent location history
2016–2019Patents assigned to YANO MASAFUMI (7)· patent assignee history
2016–2019Patents assigned to OGAWA MASATSUGU (5)· patent assignee history
2016–2018Patents assigned to MATSUDA YUMA (4)· patent assignee history
2018Based in Minato-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEC CORP331998–2019
TOSHIBA KK72007–2015
YANO MASAFUMI72016–2019
OGAWA MASATSUGUself52016–2019
MATSUDA YUMA42016–2018
Locations
LocationPatentsSpan
Tokyo, JP331998–2019
Kanagawa, JP22015
Minato-ku, JP12018