Inventor · disambiguated record
Kenichi Nagata
Also filed as: NAGATA KEN ICHI · NAGATA KENICHI
40 granted patents·5 pending applications·887 citations·filing 1978–2017
98Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD21SHARP KK6JX NIPPON MINING & METALS CORP5NAGATA KENICHI5MITSUI SHIPBUILDING ENG2
Top patents by PatentIndex Score
45 records- 0196US5412626AMethod of recording optical information with selective correction in pulse waveform and a recording system thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted May 2, 1995·85 cites·17 claims
- 0295US5635267AOptical information recording medium of phase change type having variably grooved tracks depending on their radial locationsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jun 3, 1997·77 cites·32 claims
- 0393US6212338B1Image forming device with communication to supplementary toner containerSHARP KK·Filed 2000·Granted Apr 3, 2001·65 cites·14 claims
- 0492US5811217AOptical information recording medium and optical information recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Sep 22, 1998·60 cites·9 claims
- 0592US4839883AOptical information recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Jun 13, 1989·45 cites·16 claims
- 0691US6153063AOptical information recording medium, producing method thereof and method of recording/erasing/reproducing informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Nov 28, 2000·87 cites·23 claims
- 0790US4847132AProtective layer for optical information recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Jul 11, 1989·44 cites·20 claims
- 0889US9090970B2High-purity copper-manganese-alloy sputtering targetNAGATA KENICHI·Filed 2012·Granted Jul 28, 2015·5 cites·7 claims
- 0987US5395735AOptical information recording medium and method of manufactureMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Mar 7, 1995·39 cites·10 claims
- 1086US8406640B2Toner cartridge and control method of displaying the residual toner quantity in the same toner cartridgeFUJISAWA TOSHIAKI·Filed 2010·Granted Mar 26, 2013·10 cites·3 claims
- 1185US5348783AOptical information recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Sep 20, 1994·31 cites·15 claims
- 1281US5545454AOptical information recording medium and method of designing its structureMATSUSHITA ELECTRIC IND INC LT·Filed 1995·Granted Aug 13, 1996·39 cites·2 claims
- 1381US5154957AOptical information recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Oct 13, 1992·40 cites·19 claims
- 1480US9165750B2High purity copper—manganese alloy sputtering targetJX NIPPON MINING & METALS CORP·Filed 2013·Granted Oct 20, 2015·5 cites·11 claims
- 1580US7215620B2Information recording medium with management area having recording identification informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted May 8, 2007·11 cites·5 claims
- 1680US5505835AMethod for fabricating optical information storage mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Apr 9, 1996·28 cites·14 claims
- 1779US5424106AOptical information recording medium and method of designing its structureMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Jun 13, 1995·24 cites·19 claims
- 1878US10276356B2Copper alloy sputtering targetJX NIPPON MINING & METALS CORP·Filed 2014·Granted Apr 30, 2019·1 cites·7 claims
- 1978US4455148AMethod for de-ashing and transportation of coalMITSUI SHIPBUILDING ENG·Filed 1982·Granted Jun 19, 1984·30 cites·14 claims
- 2077US6314262B1Toner supply system and toner cartridgeSHARP KK·Filed 2000·Granted Nov 6, 2001·17 cites·37 claims
- 2175US9704695B2Sputtering target and manufacturing method thereforNAGATA KENICHI·Filed 2012·Granted Jul 11, 2017·3 cites·4 claims
- 2270US6033535AOptical information recording disk and method for manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Mar 7, 2000·19 cites·15 claims
- 2367US6311025B1Interchangeable part recognizing apparatus and image forming apparatusSHARP KK·Filed 2000·Granted Oct 30, 2001·11 cites·28 claims
- 2466US5346740AOptical information recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Sep 13, 1994·22 cites·15 claims
- 2562US9909196B2High-purity copper-cobalt alloy sputtering targetJX NIPPON MINING & METALS CORP·Filed 2014·Granted Mar 6, 2018·0 cites·12 claims
- 2661US8041239B2Image forming apparatus controlling the recycling of toner based on paper qualitySHARP KK·Filed 2006·Granted Oct 18, 2011·2 cites·9 claims
- 2761US5729513AData storage apparatus for recording and reproducing information on a recording medium by rotating the recording medium at different angular velocitiesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Mar 17, 1998·12 cites·11 claims
- 2858US10557195B2Sputtering target and/or coil, and process for producing sameJX NIPPON MINING & METALS CORP·Filed 2017·Granted Feb 11, 2020·0 cites·5 claims
- 2955US6146734AOptical recording disk and method for manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Nov 14, 2000·9 cites·7 claims
- 3054US5956308AData storage apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Sep 21, 1999·8 cites·2 claims
- 3152US9951412B2Sputtering target and/or coil, and process for producing sameNAGATA KENICHI·Filed 2011·Granted Apr 24, 2018·0 cites·8 claims
- 3250US2014158532A1High-purity copper-manganese-alloy sputtering targetNAGATA KENICHI·Filed 2012·Application pending·0 cites
- 3348US9632454B2Cartridge and image forming apparatusSHARP KK·Filed 2016·Granted Apr 25, 2017·0 cites·12 claims
- 3448US5527661AOptical information recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jun 18, 1996·8 cites·15 claims
- 3546US5305303AOptical information recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Apr 19, 1994·10 cites·11 claims
- 3646US4762526AProcess for deashing coalTOKYO ELECTRIC POWER CO·Filed 1986·Granted Aug 9, 1988·14 cites·9 claims
- 3745US4420445ACoal pellets productionMITSUI SHIPBUILDING ENG·Filed 1982·Granted Dec 13, 1983·10 cites·2 claims
- 3844US4239426AMethod of transporting and storing mixed fuel and plant thereforELECTRIC POWER DEV CO·Filed 1978·Granted Dec 16, 1980·8 cites·5 claims
- 3943US6780553B2Electrophotographic photoreceptor and management system of the sameSHARP KK·Filed 2002·Granted Aug 24, 2004·2 cites·16 claims
- 4042US5750228AOptical information storage mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted May 12, 1998·5 cites·24 claims
- 4140US2006062131A1Optical information recording medium and production method of the sameNAGATA KENICHI·Filed 2003·Application pending·0 cites
- 4239US2002187424A1Optical information recording mediumFiled 2002·Application pending·0 cites
- 4338US2011242957A1Optical information recording medium, recording method, reproduction method, and recording/reproduction devicePANASONIC CORP·Filed 2010·Application pending·0 cites
- 4437US2019085442A1Copper or copper alloy target containing argon or hydrogenJX NIPPON MINING & METALS CORP·Filed 2017·Application pending·0 cites
- 4534US5768233AData storage apparatus for recording and reproducing information on a recording medium by rotating the medium at different zone recording angular velocities and a reading angular velocity during a stand-by modeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jun 16, 1998·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →