Inventor · disambiguated record
Toshiaki Iwanaga
Also filed as: IWANAGA TOSHIAKI
25 granted patents·4 pending applications·313 citations·filing 1988–2017
96Inventor score
Files withNEC CORP20YASKAWA DENKI SEISAKUSHO KK4TOSHIBA KK3KAWASAKI RAILCAR MFG CO LTD1OKADA MITSUYA1
Top patents by PatentIndex Score
29 records- 0190US7184381B2Optical disk, optical disk recording/reproduction apparatus, and optical disk signal quality evaluation methodTOSHIBA KK·Filed 2003·Granted Feb 27, 2007·30 cites·27 claims
- 0290US4951274AMagneto-optical head capable of separating beams for reading recorded information and servo information by use of one optical elementNEC CORP·Filed 1988·Granted Aug 21, 1990·44 cites·14 claims
- 0386US6861965B2Code modulating method and code modulating apparatus, demodulating method and demodulating apparatus, and information recording mediumNEC CORP·Filed 2003·Granted Mar 1, 2005·21 cites·14 claims
- 0486US6459661B1Optical disk and optical disk deviceNEC CORP·Filed 1999·Granted Oct 1, 2002·35 cites·9 claims
- 0583US7489620B2Optical information recording and reproducing mediumNEC CORP·Filed 2003·Granted Feb 10, 2009·15 cites·5 claims
- 0677US7295500B2Recording condition setting method and information recorder using sameNEC CORP·Filed 2003·Granted Nov 13, 2007·15 cites·23 claims
- 0775US7471601B2Optical disk recording/reproducing method, optical disk recording/reproducing apparatus and optical diskTOSHIBA KK·Filed 2005·Granted Dec 30, 2008·3 cites·14 claims
- 0868US7428203B2Signal evaluation method, information recording/reproducing apparatus, information reproducing apparatus, and information recording mediumTOSHIBA KK·Filed 2004·Granted Sep 23, 2008·7 cites·16 claims
- 0967US7636287B2Reproduced signal equalizing method for optical information media and optical information reproducing/recording apparatusNEC CORP·Filed 2004·Granted Dec 22, 2009·6 cites·3 claims
- 1067US6621774B2Optical disk deviceNEC CORP·Filed 2002·Granted Sep 16, 2003·4 cites·22 claims
- 1166US7355957B2Optical disc medium having a system information recording area of low recording densityNEC CORP·Filed 2004·Granted Apr 8, 2008·6 cites·3 claims
- 1266US7196984B2Optical disk medium and optical disk recording and reproducing apparatusNEC CORP·Filed 2004·Granted Mar 27, 2007·6 cites·8 claims
- 1365US7414955B2Optical disc and recording/producing method thereforNEC CORP·Filed 2004·Granted Aug 19, 2008·5 cites·13 claims
- 1461US5708639AMagneto-optical disk recording device capable of verifying recorded state during recording and checking erased state during erasingNEC CORP·Filed 1996·Granted Jan 13, 1998·11 cites·1 claims
- 1561US2009116361A1Recording 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
- 1660US5889744AMagneto-optical disk recording device and capable of verifying recorded state during recording and checking erased state during erasingNEC CORP·Filed 1997·Granted Mar 30, 1999·10 cites·2 claims
- 1758US6643234B2Optical disk deviceNEC CORP·Filed 2002·Granted Nov 4, 2003·2 cites·1 claims
- 1855US6065364AStopper for use in an industrial robotYASKAWA DENKI SEISAKUSHO KK·Filed 1996·Granted May 23, 2000·25 cites·20 claims
- 1955US5883868AMagneto-optical disk recording device capable of checking erased state during erasingNEC CORP·Filed 1997·Granted Mar 16, 1999·8 cites·1 claims
- 2053US5456132AWrist mechanism for industrial robotYASKAWA DENKI SEISAKUSHO KK·Filed 1992·Granted Oct 10, 1995·27 cites·2 claims
- 2152US11597414B2Method of assembling railcar bogie and wheel base fixing jig for use thereinKAWASAKI RAILCAR MFG CO LTD·Filed 2017·Granted Mar 7, 2023·0 cites·11 claims
- 2252US5689487AVerify-while-recording device for optical disk recording apparatusNEC CORP·Filed 1996·Granted Nov 18, 1997·10 cites·11 claims
- 2348US2010157753A1Method for reproducing a signal from an optical disc, and optical disc driveNEC CORP·Filed 2006·Application pending·0 cites
- 2448US2007097822A1Evaluation and adjustment methods in optical disc apparatus, and optical disc apparatusNEC CORP·Filed 2006·Application pending·0 cites
- 2547US6108293AGain control of a reproduced signal amplifier for precise monitoring of a reproduced signal during recordingNEC CORP·Filed 1998·Granted Aug 22, 2000·7 cites·25 claims
- 2646US2004057359A1Optical disk deviceNEC CORP·Filed 2003·Application pending·0 cites
- 2737US5751677AMagnetio optical disk recording device capable of verifying recorded state during recording and checking erased state during erasingNEC CORP·Filed 1997·Granted May 12, 1998·2 cites·1 claims
- 2834US5265489AArm-driving device for industrial robotYASKAWA DENKI SEISAKUSHO KK·Filed 1991·Granted Nov 30, 1993·10 cites·3 claims
- 2929US4998830ADevice for supporting arm driving shafts of industrial robotYASKAWA DENKI SEISAKUSHO KK·Filed 1989·Granted Mar 12, 1991·4 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →