Inventor · disambiguated record
Takanori Maeda
Also filed as: MAEDA TAKANORI
106 granted patents·15 pending applications·1,209 citations·filing 1984–2023
99Inventor score
Files withPIONEER CORP45PIONEER ELECTRONIC CORP42DAINIPPON PRINTING CO LTD15MAEDA TAKANORI6TATEISHI KIYOSHI2
Top patents by PatentIndex Score
121 records- 0196US6720056B2Multi-layer information recording mediumPIONEER CORP·Filed 2002·Granted Apr 13, 2004·68 cites·22 claims
- 0295US5485452AOptical information recording mediumPIONEER ELECTRONIC CORP·Filed 1994·Granted Jan 16, 1996·90 cites·5 claims
- 0394US7241396B2Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filterDAINIPPON PRINTING CO LTD·Filed 2006·Granted Jul 10, 2007·8 cites·5 claims
- 0493USRE40556EMulti-layer information recording medium and information recording and reproducing apparatusPIONEER CORP·Filed 2005·Granted Oct 28, 2008·12 cites·61 claims
- 0593USRE39463EMulti-layer information recording medium and information recording and reproducing apparatusPIONEER CORP·Filed 2005·Granted Jan 9, 2007·13 cites·44 claims
- 0693USRE39322EMulti-layer information recording medium and information recording and reproducing apparatusPIONEER CORP·Filed 2005·Granted Oct 3, 2006·13 cites·29 claims
- 0793US6738332B2Optical information recording and reproducing apparatusPIONEER CORP·Filed 2001·Granted May 18, 2004·43 cites·8 claims
- 0891US7399423B2Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filterDAINIPPON PRINTING CO LTD·Filed 2005·Granted Jul 15, 2008·5 cites·3 claims
- 0991US6320699B1Aberration correcting apparatus and optical apparatus using the samePIONEER CORP·Filed 2000·Granted Nov 20, 2001·52 cites·29 claims
- 1089US6850474B2Multilayer optical recording medium and recording method and apparatus for the samePIONEER CORP·Filed 2001·Granted Feb 1, 2005·27 cites·6 claims
- 1189US5303221AOptical pickup for an optical disc reproducing systemPIONEER ELECTRONIC CORP·Filed 1993·Granted Apr 12, 1994·47 cites·1 claims
- 1288US7212484B2Information recording/reading headPIONEER CORP·Filed 2003·Granted May 1, 2007·25 cites·19 claims
- 1387US7112287B2Thin film supporting substrate for used in filter for hydrogen production filter and method for manufacturing filter for hydrogen productionDAINIPPON PRINTING CO LTD·Filed 2003·Granted Sep 26, 2006·20 cites·4 claims
- 1486US5457670AOptical disk information recording apparatus and reproducing apparatus having a plurality of read or write beamsPIONEER ELECTRONIC CORP·Filed 1993·Granted Oct 10, 1995·35 cites·6 claims
- 1586US4695158AFocus error detectorPIONEER ELECTRONIC CORP·Filed 1985·Granted Sep 22, 1987·38 cites·12 claims
- 1686US4660191ATracking signal error generator for optical information devicesPIONEER ELECTRONIC CORP·Filed 1984·Granted Apr 21, 1987·29 cites·8 claims
- 1784US8562847B2Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filterYAGI HIROSHI·Filed 2011·Granted Oct 22, 2013·1 cites·12 claims
- 1883US6667947B2Optical multi-layer information recordating mediumPIONEER CORP·Filed 2001·Granted Dec 23, 2003·17 cites·10 claims
- 1982US8039168B2Separator for flat-type polymer electrolyte fuel cellsDAINIPPON PRINTING CO LTD·Filed 2005·Granted Oct 18, 2011·4 cites·4 claims
- 2082US7662218B2Filter for purifying hydrogen and method for manufacture thereofDAINIPPON PRINTING CO LTD·Filed 2005·Granted Feb 16, 2010·15 cites·16 claims
- 2182US5633844AOptical pickup device with three beam tracking servo control using oval beamsPIONEER ELECTRONIC CORP·Filed 1994·Granted May 27, 1997·28 cites·6 claims
- 2280US7502304B2Data recording and reproducing device, data recording and reproducing method, and recording mediumPIONEER CORP·Filed 2004·Granted Mar 10, 2009·14 cites·16 claims
- 2379US7672214B2Probe, recording apparatus, reproducing apparatus, and recording/reproducing apparatusPIONEER CORP·Filed 2005·Granted Mar 2, 2010·4 cites·20 claims
- 2479US6970409B2Information recording apparatusPIONEER CORP·Filed 2002·Granted Nov 29, 2005·13 cites·7 claims
- 2578US6584065B1Information recording medium apparatus for forming the same and information recording and reproducing systemsPIONEER CORP·Filed 2000·Granted Jun 24, 2003·12 cites·12 claims
- 2676US7744990B2Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filterDAINIPPON PRINTING CO LTD·Filed 2008·Granted Jun 29, 2010·4 cites·8 claims
- 2776US6885616B2Optical pickup apparatus and information recording and/or reproducing apparatusPIONEER CORP·Filed 2001·Granted Apr 26, 2005·11 cites·8 claims
- 2876US6594091B2Optical pickupPIONEER CORP·Filed 2001·Granted Jul 15, 2003·11 cites·9 claims
- 2975US11104760B2Thermosetting resin compositionASAHI CHEMICAL IND·Filed 2018·Granted Aug 31, 2021·1 cites·14 claims
- 3075US7803263B2Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filterDAINIPPON PRINTING CO LTD·Filed 2007·Granted Sep 28, 2010·1 cites·14 claims
- 3175US6683732B2Objective lens collision preventing device and method for manufacturing the samePIONEER CORP·Filed 2002·Granted Jan 27, 2004·10 cites·29 claims
- 3274US7738351B2Signal processing circuit and reproducing apparatusPIONEER CORP·Filed 2006·Granted Jun 15, 2010·2 cites·24 claims
- 3374US4731527AAn astigmatic focusing system with optical elements oriented to produce astigmatism in a predetermined direction to maximize detector sensitivityPIONEER ELECTRONIC CORP·Filed 1986·Granted Mar 15, 1988·19 cites·7 claims
- 3473US7945962B2Information memory apparatus using probePIONEER CORP·Filed 2007·Granted May 17, 2011·4 cites·14 claims
- 3573US6628599B2Variable optical element, a pickup apparatus having the variable optical element, and an information recording and reproducing apparatus having the pickup apparatusPIONEER CORP·Filed 2000·Granted Sep 30, 2003·13 cites·8 claims
- 3673US5168503AHarmonic generatorPIONEER ELECTRONIC CORP·Filed 1991·Granted Dec 1, 1992·30 cites·12 claims
- 3772US7982361B2Actuator using comb-toothPIONEER CORP·Filed 2007·Granted Jul 19, 2011·6 cites·22 claims
- 3872US5084858AReproducing apparatus having an arithmetic circuit to linearly combine an inverse matrix of crosstalk ratios relative to the adjacent tracks and signals read from the adjacent and traced tracksPIONEER ELECTRONIC CORP·Filed 1990·Granted Jan 28, 1992·20 cites·5 claims
- 3971US7745033B2Polymer electrolyte fuel cell and separator for polymer electrolyte fuel cellDAINIPPON PRINTING CO LTD·Filed 2006·Granted Jun 29, 2010·1 cites·15 claims
- 4071US6839313B2Information recording and reproducing apparatusPIONEER CORP·Filed 2002·Granted Jan 4, 2005·8 cites·3 claims
- 4171US6751175B1Aberration correcting device and optical pickup apparatus using the samePIONEER CORP·Filed 1999·Granted Jun 15, 2004·23 cites·12 claims
- 4271US6442125B1Optical pickupPIONEER ELECTRONIC CORP·Filed 1999·Granted Aug 27, 2002·23 cites·14 claims
- 4370US7128994B2Polyelectrolyte type fuel cell and separator for polyelectrolyte type fuel cellDAINIPPON PRINTING CO LTD·Filed 2002·Granted Oct 31, 2006·9 cites·5 claims
- 4470US5153872AInformation recording device that eliminates cross-talk using inverse components thereofPIONEER ELECTRONIC CORP·Filed 1990·Granted Oct 6, 1992·19 cites·5 claims
- 4569US6865144B2Optical pickup apparatus and tilt amount detecting methodPIONEER CORP·Filed 2001·Granted Mar 8, 2005·7 cites·15 claims
- 4669US6773781B2Multi-layer information recording medium and information recording and reproducing apparatusPIONEER CORP·Filed 2002·Granted Aug 10, 2004·5 cites·11 claims
- 4768US7881175B2Signal generating apparatus and method, recording apparatus and method, reproducing apparatus and method, recording/reproducing apparatus and method, computer program, and recording mediumPIONEER CORP·Filed 2005·Granted Feb 1, 2011·1 cites·6 claims
- 4867US6804185B2Optical pickup and information recording and/or reproducing apparatus including the samePIONEER CORP·Filed 2000·Granted Oct 12, 2004·6 cites·8 claims
- 4967US6473378B2Optical recording apparatusPIONEER CORP·Filed 2000·Granted Oct 29, 2002·6 cites·6 claims
- 5066US6542454B2Pickup devicePIONEER CORP·Filed 2001·Granted Apr 1, 2003·6 cites·2 claims
Showing the top 50 of 121 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →