Inventor · disambiguated record
Mitsuya Okada
Also filed as: OKADA MITSUYA
16 granted patents·3 pending applications·221 citations·filing 1988–2008
93Inventor score
Technology areasG11B
Top patents by PatentIndex Score
19 records- 0183US7489620B2Optical information recording and reproducing mediumNEC CORP·Filed 2003·Granted Feb 10, 2009·15 cites·5 claims
- 0282US5708653ASingle-substrate multi-layer optical disk for read-only storage and phase change rewritable storageNEC CORP·Filed 1996·Granted Jan 13, 1998·55 cites·29 claims
- 0377US5631895AOptical information recording mediumNEC CORP·Filed 1995·Granted May 20, 1997·32 cites·11 claims
- 0474US6115336AApparatus for optically recording data into a discNEC CORP·Filed 1998·Granted Sep 5, 2000·26 cites·29 claims
- 0573US5878022AHigh density optical information recording medium using high refractive index layerNEC CORP·Filed 1997·Granted Mar 2, 1999·25 cites·12 claims
- 0672US6606293B1Optical information recording medium and methods for recording, reading, and erasing information thereuponNEC CORP·Filed 2000·Granted Aug 12, 2003·9 cites·19 claims
- 0770US5521901ARe-writable phase change type optical disk with suppressed recording mark distortionNEC CORP·Filed 1995·Granted May 28, 1996·23 cites·7 claims
- 0869US4862437AMagneto-optical recording reproducing, and erasing apparatus having two independent magnetic field applying devicesNEC CORP·Filed 1988·Granted Aug 29, 1989·16 cites·7 claims
- 0961US2009116361A1Recording Method, Recording and Reproducing Method, Reproducing Method, Recording Device, Recording and Reproducing Device, and Reproducing Device for Optical Information Recording and Reproducing Medium, and the Optical Information Recording and Reproducing MediumOKADA MITSUYA·Filed 2008·Application pending·0 cites
- 1045US5798993ASystem and method for simultaneously verifying optical data writing and optical data writing medium for use thereinNEC CORP·Filed 1996·Granted Aug 25, 1998·6 cites·15 claims
- 1145US5381395AInformation detection of a phase-change type optical recording medium by shifting the phase of a reference lightNEC CORP·Filed 1993·Granted Jan 10, 1995·6 cites·6 claims
- 1245US2009290476A1Optical information recording medium, optical information recording/reproducing apparatus, and method of manufacturing optical information recording mediumOKADA MITSUYA·Filed 2005·Application pending·0 cites
- 1345US2005286367A1Method for recording and reproducing data and apparatus for the sameNEC CORP·Filed 2005·Application pending·0 cites
- 1439US7102990B2Optical information-recording medium and optical information recording/reproducing methodNEC CORP·Filed 2002·Granted Sep 5, 2006·0 cites·8 claims
- 1537US5862122APhase change optical disk and a method for recording and playbacking optical information on or from an optical diskNEC CORP·Filed 1997·Granted Jan 19, 1999·3 cites·12 claims
- 1634US5906908ASystem and method for simultaneously verifying optical data writing and optical data writing medium for use thereinNEC CORP·Filed 1998·Granted May 25, 1999·2 cites·6 claims
- 1732US6122243AOptical information recording apparatus, optical recording medium, and method or judging tracking polarity of optical recording mediumNEC CORP·Filed 1998·Granted Sep 19, 2000·1 cites·2 claims
- 1830US6807143B1Information-recording medium and information reproducing apparatusNEC CORP·Filed 1999·Granted Oct 19, 2004·0 cites·30 claims
- 1929US6117511AOptical recording mediaNEC CORP·Filed 1998·Granted Sep 12, 2000·2 cites·13 claims
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