Inventor · disambiguated record
Akio Takada
Also filed as: TAKADA AKIO
66 granted patents·5 pending applications·379 citations·filing 1986–2021
98Inventor score
Top patents by PatentIndex Score
71 records- 0198USRE45642EPolarizing element and liquid crystal projectorSONY CORP·Filed 2013·Granted Aug 4, 2015·26 cites·26 claims
- 0294US8842365B2Phase difference element and method for manufacturing the sameKOIKE NOBUYUKI·Filed 2012·Granted Sep 23, 2014·24 cites·13 claims
- 0393US9360608B2Polarizing elementTAKAHASHI EIJI·Filed 2012·Granted Jun 7, 2016·10 cites·20 claims
- 0492US6722206B2Force sensing MEMS device for sensing an oscillating forceSONY PREC ENGINEERING CT SINGA·Filed 2002·Granted Apr 20, 2004·57 cites·15 claims
- 0591USRE46560EPolarizing element and liquid crystal projectorSONY CORP·Filed 2015·Granted Sep 26, 2017·5 cites·34 claims
- 0689US7957062B2Polarizing element and liquid crystal projectorSONY CORP·Filed 2008·Granted Jun 7, 2011·12 cites·11 claims
- 0788US9703026B2Polarizing plate having a transparent substrate, an absorbing layer and a reflective layer and method of manufacturing the sameDEXERIALS CORP·Filed 2014·Granted Jul 11, 2017·7 cites·20 claims
- 0886US11543702B2Polarizer and optical apparatusDEXERIALS CORP·Filed 2020·Granted Jan 3, 2023·2 cites·11 claims
- 0986US11002993B2Depolarizing plate, optical device and liquid-crystal display device including same, and depolarizing plate production methodDEXERIALS CORP·Filed 2016·Granted May 11, 2021·2 cites·24 claims
- 1085US8409609B2Percutaneous absorption-type pharmaceutical preparationINOSAKA KEIGO·Filed 2006·Granted Apr 2, 2013·8 cites·7 claims
- 1183US9229143B2Inorganic polarizing plate containing FeSi fine particlesDEXERIALS CORP·Filed 2013·Granted Jan 5, 2016·4 cites·6 claims
- 1283US8125592B2Liquid crystal apparatus, color filter substrate, and array substrateTAKADA AKIO·Filed 2009·Granted Feb 28, 2012·7 cites·5 claims
- 1383US6331924B1Magnetoresistive head using a magnetoresistive element as a magnetic detectorSONY CORP·Filed 1999·Granted Dec 18, 2001·39 cites·3 claims
- 1482US9477024B2Polarizing element, projector and method of manufacturing polarizing elementDEXERIALS CORP·Filed 2013·Granted Oct 25, 2016·5 cites·16 claims
- 1580US9678261B2Inorganic polarizing plate containing FeSi having 1 to 33 mol% FeDEXERIALS CORP·Filed 2016·Granted Jun 13, 2017·2 cites·7 claims
- 1680US9453954B2Inorganic polarizing plate containing FeSi fine particles having 1 to 33 mol% FeDEXERIALS CORP·Filed 2015·Granted Sep 27, 2016·2 cites·6 claims
- 1777US11971568B2Polarizing plate, manufacturing method thereof, and optical deviceDEXERIALS CORP·Filed 2019·Granted Apr 30, 2024·2 cites·9 claims
- 1877US11125413B2Diffuser plate, designing method of diffuser plate, manufacturing method of diffuser plate, display device, projection device, and lighting deviceDEXERIALS CORP·Filed 2016·Granted Sep 21, 2021·2 cites·21 claims
- 1976US10436964B2Inorganic polarizing plate, method of manufacturing the same, and optical instrumentDEXERIALS CORP·Filed 2018·Granted Oct 8, 2019·2 cites·16 claims
- 2076US9594275B2Retardation element, liquid crystal display device, and projection display deviceDEXERIALS CORP·Filed 2014·Granted Mar 14, 2017·2 cites·18 claims
- 2173US7480981B2Method of producing hard disk drives of reduced sizeSONY CORP·Filed 2004·Granted Jan 27, 2009·9 cites·4 claims
- 2272USRE48640EPolarizing element and liquid crystal projectorSONY CORP·Filed 2017·Granted Jul 13, 2021·1 cites·29 claims
- 2370US11592156B2Diffuser plate, designing method of diffuser plate, manufacturing method of diffuser plate, display device, projection device, and lighting deviceDEXERIALS CORP·Filed 2021·Granted Feb 28, 2023·0 cites·22 claims
- 2469US11841560B2Depolarizing plateDEXERIALS CORP·Filed 2021·Granted Dec 12, 2023·0 cites·21 claims
- 2568US4678736AOptical recording media on which information is stored and method of making sameMITSUBISHI PETROCHEMICAL CO·Filed 1986·Granted Jul 7, 1987·17 cites·16 claims
- 2667US5867350AMagneto-resistance effect head with insulated bias conductor embedded in shield grooveSONY CORP·Filed 1997·Granted Feb 2, 1999·22 cites·1 claims
- 2765US5828527AThin-film magnetic head having magnetic resistance effect stabilizing layerSONY CORP·Filed 1997·Granted Oct 27, 1998·19 cites·15 claims
- 2864US11262491B2Polarizing plate having alternately stacked layers having different deposition directionsDEXERIALS CORP·Filed 2019·Granted Mar 1, 2022·0 cites·1 claims
- 2964US10732335B2Polarizing plate having absorption layer comprising only tantalum and niobiumDEXERIALS CORP·Filed 2014·Granted Aug 4, 2020·0 cites·6 claims
- 3064US7239054B2Method of forming a micro-rotating device, and a micro-rotating device produced by the methodSONY CORP·Filed 2004·Granted Jul 3, 2007·12 cites·8 claims
- 3161US11249233B2Thin film for optical element, method of manufacturing thin film for optical element, inorganic polarizing plate, method of manufacturing inorganic polarizing plate, optical element, and optical deviceDEXERIALS CORP·Filed 2020·Granted Feb 15, 2022·0 cites·11 claims
- 3261US9746206B2Heat-absorbing material and process for producing sameDEXERIALS CORP·Filed 2013·Granted Aug 29, 2017·2 cites·13 claims
- 3361US7771650B2Material and uses thereofSONY CORP·Filed 2006·Granted Aug 10, 2010·2 cites·11 claims
- 3460US10907250B2Block copolymer pattern formation method and diffraction limited optical elementDEXERIALS CORP·Filed 2017·Granted Feb 2, 2021·0 cites·8 claims
- 3558US10852465B2Polarizing plate and polarizing plate manufacturing methodDEXERIALS CORP·Filed 2019·Granted Dec 1, 2020·0 cites·15 claims
- 3658US10185067B2Method of manufacturing polarizing plateDEXERIALS CORP·Filed 2017·Granted Jan 22, 2019·0 cites·20 claims
- 3758US5617276AMagneto-resistance effect thin-film magnetic head having a laminated flux guide of permalloy and titanium filmsSONY CORP·Filed 1995·Granted Apr 1, 1997·14 cites·7 claims
- 3857US11112550B2Polarizing plate, optical apparatus and method of manufacturing polarizing plateDEXERIALS CORP·Filed 2019·Granted Sep 7, 2021·0 cites·4 claims
- 3957US10928574B2Polarizing plate, production method thereof and optical apparatusDEXERIALS CORP·Filed 2019·Granted Feb 23, 2021·0 cites·13 claims
- 4056US11500140B2Polarizing plate and optical apparatus having tip portions with continuous curved surfaceDEXERIALS CORP·Filed 2019·Granted Nov 15, 2022·0 cites·8 claims
- 4156US7435485B2Magnetic material, and a MEMS device using the magnetic materialSONY CORP·Filed 2005·Granted Oct 14, 2008·1 cites·5 claims
- 4254US7088019B2Air bearing for MEMS based motorSONY CORP·Filed 2003·Granted Aug 8, 2006·10 cites·5 claims
- 4353US2012127404A1Liquid crystal apparatus, color filter substrate, and array substrateTAKADA AKIO·Filed 2012·Application pending·0 cites
- 4452US5498217AControl method of vehicle engine arranged in association with fluid coupling having clutchMITSUBISHI MOTORS CORP·Filed 1994·Granted Mar 12, 1996·20 cites·7 claims
- 4551US6883384B2Force sensing device having magnetized element and magneto electric materialSONY CORP·Filed 2003·Granted Apr 26, 2005·4 cites·10 claims
- 4650US12235481B2Polarizing plateDEXERIALS CORP·Filed 2019·Granted Feb 25, 2025·0 cites·14 claims
- 4750US11579350B2Wire grid polarization plate having dielectric layer with concave portionsDEXERIALS CORP·Filed 2020·Granted Feb 14, 2023·0 cites·8 claims
- 4849US11966068B2Inorganic wave plate and manufacturing method thereforDEXERIALS CORP·Filed 2019·Granted Apr 23, 2024·0 cites·5 claims
- 4949US11385389B2Polarizing plate having discontinuous water-repellent portion and manufacturing method thereofDEXERIALS CORP·Filed 2019·Granted Jul 12, 2022·0 cites·8 claims
- 5049US9952368B2Polarization conversion element and optical deviceDEXERIALS CORP·Filed 2014·Granted Apr 24, 2018·0 cites·16 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →