Inventor · disambiguated record
Atsushi Yamaguchi
Also filed as: YAMAGUCHI ATSUSHI
259 granted patents·86 pending applications·1,932 citations·filing 1988–2025
99Inventor score
Top patents by PatentIndex Score
345 records- 0198US9361912B1High moment side shield design for area density improvement of perpendicular magnetic recording (PMR) writerHEADWAY TECHNOLOGIES INC·Filed 2015·Granted Jun 7, 2016·89 cites·10 claims
- 0296US9881627B2Audio coding device, audio coding method, audio coding program, audio decoding device, audio decoding method, and audio decoding programNTT DOCOMO INC·Filed 2016·Granted Jan 30, 2018·23 cites·1 claims
- 0395US8405064B2Nitride semiconductor deviceYAMAGUCHI ATSUSHI·Filed 2011·Granted Mar 26, 2013·32 cites·9 claims
- 0495US8004006B2Nitride semiconductor light emitting elementROHM CO LTD·Filed 2006·Granted Aug 23, 2011·30 cites·4 claims
- 0592US9843659B2Mobile electronic device and method for waterproofing mobile electronic deviceFUJITSU LTD·Filed 2014·Granted Dec 12, 2017·16 cites·2 claims
- 0692US9564143B2Audio coding device, audio coding method, audio coding program, audio decoding device, audio decoding method, and audio decoding programNTT DOCOMO INC·Filed 2015·Granted Feb 7, 2017·9 cites·10 claims
- 0791US9799344B2Audio signal processing system for discontinuity correctionNTT DOCOMO INC·Filed 2016·Granted Oct 24, 2017·6 cites·8 claims
- 0890US8408356B2Storage box for electronic apparatusYAMAGUCHI ATSUSHI·Filed 2008·Granted Apr 2, 2013·26 cites·17 claims
- 0990US8248728B2Thin-film magnetic head having a magnetic pole formed of a plating filmYAMAGUCHI ATSUSHI·Filed 2010·Granted Aug 21, 2012·18 cites·7 claims
- 1090US8164853B2Perpendicular magnetic write head with side shield saturation magnetic flux density increasing away from magnetic poleHIRATA KEI·Filed 2010·Granted Apr 24, 2012·14 cites·8 claims
- 1190US8000063B2Magneto-resistive element, thin film magnetic head, magnetic head device, and magnetic recording/reproducing apparatusTDK CORP·Filed 2007·Granted Aug 16, 2011·10 cites·30 claims
- 1289US7282745B2Nitride based semiconductor light-emitting deviceNEC CORP·Filed 2005·Granted Oct 16, 2007·10 cites·10 claims
- 1388US11270715B2Audio signal discontinuity processing systemNTT DOCOMO INC·Filed 2020·Granted Mar 8, 2022·2 cites·24 claims
- 1488US10152982B2Audio signal processing device, audio signal processing method, and audio signal processing programNTT DOCOMO INC·Filed 2017·Granted Dec 11, 2018·5 cites·3 claims
- 1588US8764375B2Counter-rotating axial flow fanKATO CHISACHI·Filed 2010·Granted Jul 1, 2014·11 cites·15 claims
- 1687US10748559B1Magnetic head including spin torque oscillator and manufacturing method for the sameARAKI HIRONORI·Filed 2020·Granted Aug 18, 2020·3 cites·9 claims
- 1787US7808742B2Thin-film magnetic head comprising shield/magnetic-pole layer having surface without right nor sharp angleTDK CORP·Filed 2007·Granted Oct 5, 2010·8 cites·30 claims
- 1887US7663845B2Current-perpendicular-to-plane magneto-resistive element including multilayer lower magnetic shielding filmTDK CORP·Filed 2006·Granted Feb 16, 2010·7 cites·12 claims
- 1987US6240056B1Information recording and reproduction apparatus using a pulsed laser lightSANYO ELECTRIC CO·Filed 1997·Granted May 29, 2001·36 cites·4 claims
- 2087US5194743ADevice for positioning circular semiconductor wafersNIKON CORP·Filed 1991·Granted Mar 16, 1993·118 cites·16 claims
- 2185US9935625B2Gate drive circuit and power supply capable of reducing surge voltageROHM CO LTD·Filed 2016·Granted Apr 3, 2018·5 cites·35 claims
- 2285US9257548B2Nitride semiconductor element and nitride semiconductor packageTAKADO SHINYA·Filed 2011·Granted Feb 9, 2016·6 cites·19 claims
- 2385US7983001B2Slider mounted magnetic head having a perpendicular recording head with a main pole having a ruthenium(Ru) electrode filmTDK CORP·Filed 2007·Granted Jul 19, 2011·6 cites·11 claims
- 2485US6977952B2Nitride based semiconductor light-emitting deviceNEC CORP·Filed 2001·Granted Dec 20, 2005·20 cites·13 claims
- 2584US10553231B2Audio coding device, audio coding method, audio coding program, audio decoding device, audio decoding method, and audio decoding programNTT DOCOMO INC·Filed 2017·Granted Feb 4, 2020·3 cites·1 claims
- 2684US9331047B2Mounting method and mounting structure for semiconductor package componentOHASHI NAOMICHI·Filed 2013·Granted May 3, 2016·9 cites·3 claims
- 2784US7773281B2Beam irradiation apparatusSANYO ELECTRIC CO·Filed 2009·Granted Aug 10, 2010·13 cites·6 claims
- 2884US6710850B2Exposure apparatus and exposure methodNIKON CORP·Filed 2001·Granted Mar 23, 2004·23 cites·26 claims
- 2983US11211077B2Audio coding device, audio coding method, audio coding program, audio decoding device, audio decoding method, and audio decoding programNTT DOCOMO INC·Filed 2019·Granted Dec 28, 2021·2 cites·7 claims
- 3083US10621999B2Audio signal processing device, audio signal processing method, and audio signal processing programNTT DOCOMO INC·Filed 2018·Granted Apr 14, 2020·3 cites·2 claims
- 3183US6100106AFabrication of nitride semiconductor light-emitting deviceNEC CORP·Filed 1998·Granted Aug 8, 2000·88 cites·12 claims
- 3283US5272034AProcess for producing electrophotographic tonerMITA INDUSTRIAL CO LTD·Filed 1992·Granted Dec 21, 1993·28 cites·2 claims
- 3382US9876248B2Solid electrolyte, method for manufacturing solid electrolyte, solid electrolyte laminate, method for manufacturing solid electrolyte laminate, and fuel cellSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Jan 23, 2018·4 cites·11 claims
- 3482US8737022B2Multilayer film, magnetic head, magnetic head device, magnetic recording/reproducing apparatus and method for manufacturing multilayer filmKATO MASAYA·Filed 2012·Granted May 27, 2014·3 cites·15 claims
- 3582US8243387B2Magnetic head with plated magnetic film formed on PdNi alloy electrode filmYAMAGUCHI ATSUSHI·Filed 2007·Granted Aug 14, 2012·5 cites·26 claims
- 3682US6538968B1Information recording/reproducing apparatusSANYO ELECTRIC CO·Filed 1997·Granted Mar 25, 2003·37 cites·4 claims
- 3782US2024396295A1Semiconductor laser deviceROHM CO LTD·Filed 2024·Application pending·0 cites
- 3881US9729135B2Gate driverROHM CO LTD·Filed 2015·Granted Aug 8, 2017·6 cites·15 claims
- 3981US7643201B2Electrochromic mirrorTOKAI RIKA CO LTD·Filed 2008·Granted Jan 5, 2010·7 cites·7 claims
- 4081US6855959B2Nitride based semiconductor photo-luminescent deviceNEC CORP·Filed 2001·Granted Feb 15, 2005·32 cites·34 claims
- 4181US6599607B1Optical recording mediumPIONEER CORP·Filed 2000·Granted Jul 29, 2003·15 cites·6 claims
- 4280US10839829B1Magnetic head with a main pole including first and second layers and manufacturing method for the sameSASAKI YOSHITAKA·Filed 2019·Granted Nov 17, 2020·4 cites·18 claims
- 4380US9905419B2Nitride semiconductor element and nitride semiconductor packageROHM CO LTD·Filed 2016·Granted Feb 27, 2018·2 cites·20 claims
- 4480US9472623B2Nitride semiconductor element and nitride semiconductor packageROHM CO LTD·Filed 2016·Granted Oct 18, 2016·2 cites·19 claims
- 4580US7785500B2Electrically conductive adhesivePANASONIC CORP·Filed 2006·Granted Aug 31, 2010·9 cites·7 claims
- 4680US6813237B2Optical recording medium having a plurality of meandering groove tracks, optical recording medium producing apparatus and optical recording medium producing methodPIONEER CORP·Filed 2001·Granted Nov 2, 2004·13 cites·10 claims
- 4780USD452758SVacuum cleanerHITACHI LTD·Filed 2000·Granted Jan 1, 2002·25 cites·1 claims
- 4880US5796683AMagneto-optical recording device having a controllable polarizing filterSANYO ELECTRIC CO·Filed 1997·Granted Aug 18, 1998·34 cites·21 claims
- 4979US10410647B2Audio decoding device, audio encoding device, audio decoding method, audio encoding method, audio decoding program, and audio encoding programNTT DOCOMO INC·Filed 2015·Granted Sep 10, 2019·3 cites·18 claims
- 5079US10297277B1Magnetic head including a coil and a magnetic path forming sectionSASAKI YOSHITAKA·Filed 2018·Granted May 21, 2019·4 cites·11 claims
Showing the top 50 of 345 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →