Inventor · disambiguated record
Masatoshi Wakagi
Also filed as: WAKAGI MASATOSHI
41 granted patents·8 pending applications·967 citations·filing 1989–2019
98Inventor score
Files withHITACHI LTD34JAPAN DISPLAY INC5HITACHI DISPLAYS LTD2HITACHI POWER SEMICONDUCTOR DEVICE LTD2NISHIMURA ETSUKO1
Top patents by PatentIndex Score
49 records- 0197US7595784B2Liquid crystal display apparatus with control of LCD and backlight corresponding to an imageHITACHI DISPLAYS LTD·Filed 2005·Granted Sep 29, 2009·43 cites·11 claims
- 0297US6300988B1Liquid crystal display apparatus having patterned insulating layer formed over a substrate except for a region on the gate electrodeHITACHI LTD·Filed 2000·Granted Oct 9, 2001·137 cites·10 claims
- 0396US6507383B1In-plane switching liquid crystal display apparatus with reduced capacitance between pixel electrodes and common electrodesHITACHI LTD·Filed 2000·Granted Jan 14, 2003·95 cites·26 claims
- 0494US6828582B1Thin film transistor, display device and their productionHITACHI LTD·Filed 2004·Granted Dec 7, 2004·71 cites·12 claims
- 0594US6600524B1Active matrix type liquid crystal display apparatus with silicon oxide at different portionsHITACHI LTD·Filed 2000·Granted Jul 29, 2003·66 cites·3 claims
- 0693US10018859B2Liquid crystal display deviceJAPAN DISPLAY INC·Filed 2017·Granted Jul 10, 2018·3 cites·14 claims
- 0793US7382432B2Liquid crystal display deviceHITACHI LTD·Filed 2006·Granted Jun 3, 2008·10 cites·5 claims
- 0892US6704085B2Liquid crystal display apparatus having superimposed portion of common signal electrode, data signal wiring and scanning wiring via insulatorHITACHI LTD·Filed 2001·Granted Mar 9, 2004·58 cites·39 claims
- 0991US9715132B2Liquid crystal display deviceJAPAN DISPLAY INC·Filed 2014·Granted Jul 25, 2017·3 cites·21 claims
- 1090US6184946B1Active matrix liquid crystal displayHITACHI LTD·Filed 1996·Granted Feb 6, 2001·88 cites·18 claims
- 1188US6593977B2IC card apparatus having patterned insulating layer formed between gate insulating film and semiconductor layer except for channel region and method of manufactureHITACHI LTD·Filed 2001·Granted Jul 15, 2003·31 cites·19 claims
- 1288US6356330B1Active matrix liquid crystal display deviceHITACHI LTD·Filed 1999·Granted Mar 12, 2002·93 cites·13 claims
- 1384US7145176B2Active matrix display deviceHITACHI LTD·Filed 2001·Granted Dec 5, 2006·34 cites·13 claims
- 1481US8093585B2Organic electro-luminescent display apparatusNISHIMURA ETSUKO·Filed 2008·Granted Jan 10, 2012·7 cites·20 claims
- 1580US10823992B2Liquid crystal display deviceJAPAN DISPLAY INC·Filed 2019·Granted Nov 3, 2020·0 cites·10 claims
- 1680US8309960B2Display deviceTOYOTA YOSHIAKI·Filed 2010·Granted Nov 13, 2012·7 cites·14 claims
- 1778US7872629B2Shift register circuit and display apparatus using the sameHITACHI DISPLAYS LTD·Filed 2006·Granted Jan 18, 2011·4 cites·26 claims
- 1878US7102155B2Electrode substrate, thin film transistor, display device and their productionHITACHI LTD·Filed 2004·Granted Sep 5, 2006·15 cites·11 claims
- 1978US7045816B2Liquid crystal display apparatusHITACHI LTD·Filed 2003·Granted May 16, 2006·15 cites·9 claims
- 2077US5204202AElectrophotographic photosensitive element comprising a protective layer with a porous surface impregnated with lubricantHITACHI LTD·Filed 1990·Granted Apr 20, 1993·24 cites·23 claims
- 2176US10466519B2Liquid crystal display deviceJAPAN DISPLAY INC·Filed 2018·Granted Nov 5, 2019·0 cites·16 claims
- 2274US7407846B2Thin film transistor, display device and their productionHITACHI LTD·Filed 2007·Granted Aug 5, 2008·3 cites·12 claims
- 2374US7394095B2Electrode substrate, thin film transistor, display device and their productionHITACHI LTD·Filed 2006·Granted Jul 1, 2008·3 cites·2 claims
- 2473US5252418AElectrophotographic photoreceptor with protruding inorganic insulator pieces and an electrophotographic apparatus utilizing the sameHITACHI LTD·Filed 1990·Granted Oct 12, 1993·20 cites·25 claims
- 2572US8026535B2Thin film transistor and organic electroluminescence display using the sameHITACHI LTD·Filed 2008·Granted Sep 27, 2011·3 cites·9 claims
- 2672US7738069B2Liquid crystal display deviceHITACHI LTD·Filed 2008·Granted Jun 15, 2010·1 cites·4 claims
- 2768US6441880B1Normally closed liquid crystal display device using spacers coated with material having liquid crystal aligning ability by irradiation with polarized lightHITACHI LTD·Filed 1999·Granted Aug 27, 2002·29 cites·13 claims
- 2867US9097922B2Liquid crystal display deviceJAPAN DISPLAY INC·Filed 2015·Granted Aug 4, 2015·0 cites·20 claims
- 2966US7521716B2Electrode substrate, thin-film transistor, display and its production methodHITACHI LTD·Filed 2004·Granted Apr 21, 2009·7 cites·10 claims
- 3064US7655947B2Thin film transistor used as a switching element in an active matrix type liquid crystal display deviceHITACHI LTD·Filed 2006·Granted Feb 2, 2010·2 cites·6 claims
- 3164US5777702ALiquid crystal display device and method of fabricating the same by patterning semiconductor, insulator, and gatelines with single maskHITACHI LTD·Filed 1996·Granted Jul 7, 1998·32 cites·2 claims
- 3261US5995187ALiquid crystal display device in-plane-switching system with counter electrode in contact with liquid crystalHITACHI LTD·Filed 1997·Granted Nov 30, 1999·25 cites·21 claims
- 3361US5073466AElectrophotographic member containing a fluorine-containing lubricating agent and process for producing the sameHITACHI LTD·Filed 1989·Granted Dec 17, 1991·12 cites·29 claims
- 3461US2010214524A1Liquid crystal display deviceHITACHI LTD·Filed 2010·Application pending·0 cites
- 3559US8885137B2Liquid crystal display deviceYANAGAWA KAZUHIKO·Filed 2011·Granted Nov 11, 2014·0 cites·18 claims
- 3659US7542121B2Liquid crystal display deviceHITACHI LTD·Filed 2007·Granted Jun 2, 2009·0 cites·4 claims
- 3758US6757044B2Liquid crystal display device with spacers controlling thickness of liquid crystal layerHITACHI LTD·Filed 2002·Granted Jun 29, 2004·5 cites·20 claims
- 3858US2008084527A1Liquid crystal display deviceHITACHI LTD·Filed 2007·Application pending·0 cites
- 3954US7202496B2Thin film transistor, display device and their productionHITACHI LTD·Filed 2004·Granted Apr 10, 2007·2 cites·8 claims
- 4053US6300995B1Liquid crystal display device utilizing in-plane-switching system and having alignment film separating picture element electrode or counter electrode from liquid crystal layerHITACHI LTD·Filed 1999·Granted Oct 9, 2001·17 cites·11 claims
- 4152US8344382B2Semiconductor device, manufacturing method thereof, and display apparatus using the semiconductor deviceHITACHI LTD·Filed 2009·Granted Jan 1, 2013·0 cites·20 claims
- 4246US7112500B2Thin film transistor, liquid crystal display and manufacturing method thereofHITACHI LTD·Filed 2001·Granted Sep 26, 2006·2 cites·30 claims
- 4345US9991336B2Semiconductor device, method for manufacturing the same, and power conversion systemHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2017·Granted Jun 5, 2018·0 cites·12 claims
- 4444US2004085506A1Liquid crystal display deviceHITACHI LTD·Filed 2003·Application pending·0 cites
- 4543US2004233377A1Liquid crystal display deviceFiled 2004·Application pending·0 cites
- 4642US2002075442A1Liquid crystal display deviceHITACHI LTD·Filed 2001·Application pending·0 cites
- 4737US2004135763A1Electrophoretic displayFiled 2003·Application pending·0 cites
- 4836US2017317075A1Diode and power convertor using the sameHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2017·Application pending·0 cites
- 4934US2002117719A1Thin film transistor and active matrix type liquid crystal display deviceFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →