Inventor · disambiguated record
Ryoichi Yokoyama
Also filed as: YOKOYAMA RYOICHI
66 granted patents·6 pending applications·1,760 citations·filing 1992–2020
99Inventor score
Files withSANYO ELECTRIC CO47KYOCERA CORP7YOKOYAMA RYOICHI6SAMSUNG ELECTRONICS CO LTD3SENDA MICHIRU2
Top patents by PatentIndex Score
72 records- 0196US6724149B2Emissive display device and electroluminescence display device with uniform luminanceSANYO ELECTRIC CO·Filed 2000·Granted Apr 20, 2004·124 cites·9 claims
- 0296US6366026B1Electroluminescence display apparatusSANYO ELECTRIC CO·Filed 2000·Granted Apr 2, 2002·131 cites·15 claims
- 0396US6281634B1Color electroluminescence display deviceSANYO ELECTRIC CO·Filed 1999·Granted Aug 28, 2001·169 cites·21 claims
- 0494US7583259B2Power consumption of display apparatus during still image display modeSANYO ELECTRIC CO·Filed 2006·Granted Sep 1, 2009·13 cites·13 claims
- 0594US6724443B1Active matrix type display deviceSANYO ELECTRIC CO·Filed 2000·Granted Apr 20, 2004·67 cites·18 claims
- 0693US7315131B2Color electroluminescence display deviceSANYO ELECTRIC CO·Filed 2006·Granted Jan 1, 2008·10 cites·10 claims
- 0793US6159770AMethod and apparatus for fabricating semiconductor deviceFUJITSU LTD·Filed 1998·Granted Dec 12, 2000·212 cites·9 claims
- 0892US8917168B2Panel deviceKYOCERA CORP·Filed 2013·Granted Dec 23, 2014·20 cites·8 claims
- 0990US7545174B2Level shift circuit and display device having the sameSAMSUNG ELECTRONICS CO LTD·Filed 2007·Granted Jun 9, 2009·10 cites·5 claims
- 1090US7389476B2Display including a plurality of display panelsSANYO ELECTRIC CO·Filed 2003·Granted Jun 17, 2008·47 cites·31 claims
- 1190US6812912B2Active matrix display device with storage capacitor for each pixelSANYO ELECTRIC CO·Filed 2002·Granted Nov 2, 2004·42 cites·27 claims
- 1290US6433486B1Color electroluminescence display deviceSANYO ELECTRIC CO·Filed 1999·Granted Aug 13, 2002·76 cites·18 claims
- 1388US7072018B2IC substrate of glass and display deviceSANYO ELECTRIC CO·Filed 2002·Granted Jul 4, 2006·43 cites·10 claims
- 1488US6911960B1Active-type electroluminescent displaySANYO ELECTRIC CO·Filed 1999·Granted Jun 28, 2005·215 cites·18 claims
- 1588US6429599B1Color electroluminescence display deviceSANYO ELECTRIC CO·Filed 1999·Granted Aug 6, 2002·67 cites·11 claims
- 1684US11600218B2Light emitter board, display device, and method for repairing display deviceKYOCERA CORP·Filed 2020·Granted Mar 7, 2023·2 cites·14 claims
- 1784US8300165B2Liquid crystal display with an increased aperture rationYOKOYAMA RYOICHI·Filed 2008·Granted Oct 30, 2012·5 cites·10 claims
- 1884US7646370B2Display deviceSANYO ELECTRIC CO·Filed 2005·Granted Jan 12, 2010·7 cites·10 claims
- 1984US7339559B2Color electroluminescence display deviceSANYO ELECTRIC CO·Filed 2003·Granted Mar 4, 2008·19 cites·1 claims
- 2084US6956553B2Active matrix display deviceSANYO ELECTRIC CO·Filed 2002·Granted Oct 18, 2005·22 cites·12 claims
- 2183US7173589B2Display deviceSANYO ELECTRIC CO·Filed 2002·Granted Feb 6, 2007·25 cites·16 claims
- 2282US7009345B2Emissive display device and electroluminescence display device with uniform luminanceSANYO ELECTRIC CO·Filed 2003·Granted Mar 7, 2006·27 cites·25 claims
- 2382US6690118B2Color electroluminescence display deviceSANYO ELECTRIC CO·Filed 2002·Granted Feb 10, 2004·18 cites·11 claims
- 2481US6803896B2Display deviceSANYO ELECTRIC CO·Filed 2002·Granted Oct 12, 2004·22 cites·4 claims
- 2581US6451636B1Semiconductor device and display device having laser-annealed semiconductor elementSANYO ELECTRIC CO·Filed 1998·Granted Sep 17, 2002·58 cites·28 claims
- 2680US6999149B2Active matrix display device with electrode between adjacent pixelsSANYO ELECTRIC CO·Filed 2003·Granted Feb 14, 2006·18 cites·2 claims
- 2779US7696960B2Display deviceSANYO ELECTRIC CO·Filed 2005·Granted Apr 13, 2010·5 cites·6 claims
- 2878US7019726B2Power consumption of display apparatus during still image display modeSANYO ELECTRIC CO·Filed 2000·Granted Mar 28, 2006·14 cites·24 claims
- 2977US6590552B1Method of driving liquid crystal display deviceSANYO ELECTRIC CO·Filed 1999·Granted Jul 8, 2003·48 cites·10 claims
- 3076US6950080B2Display deviceSANYO ELECTRIC CO·Filed 2002·Granted Sep 27, 2005·15 cites·22 claims
- 3174US7173607B2Signal detectorSANYO ELECTRIC CO·Filed 2002·Granted Feb 6, 2007·30 cites·21 claims
- 3274US7136057B2Display deviceSANYO ELECTRIC CO·Filed 2002·Granted Nov 14, 2006·14 cites·13 claims
- 3373US7755584B2Voltage boosting circuit, voltage boosting/dropping circuit and LCDSAMSUNG ELECTRONICS CO LTD·Filed 2007·Granted Jul 13, 2010·10 cites·16 claims
- 3473US7432898B2Active matrix display deviceSANYO ELECTRIC CO·Filed 2005·Granted Oct 7, 2008·2 cites·23 claims
- 3572US8395742B2Liquid crystal displayYOKOYAMA RYOICHI·Filed 2007·Granted Mar 12, 2013·2 cites·27 claims
- 3672US6995517B2Color electroluminescence display deviceSANYO ELECTRIC CO·Filed 2002·Granted Feb 7, 2006·12 cites·24 claims
- 3771US7564437B2Liquid crystal display device and controlling method thereofSANYO ELECTRIC CO·Filed 2005·Granted Jul 21, 2009·2 cites·14 claims
- 3870US7095389B2Active matrix display deviceSANYO ELECTRIC CO·Filed 2001·Granted Aug 22, 2006·12 cites·2 claims
- 3969US11600240B2Display apparatus with pixel structure on glass substrate and glass substrateKYOCERA CORP·Filed 2019·Granted Mar 7, 2023·1 cites·12 claims
- 4068US7248322B2Active matrix display device with floating electrode between adjacent pixelsSANYO ELECTRIC CO·Filed 2005·Granted Jul 24, 2007·2 cites·3 claims
- 4165US7081875B2Display device and its driving methodSANYO ELECTRIC CO·Filed 2001·Granted Jul 25, 2006·8 cites·10 claims
- 4265US7002543B2Method for driving active matrix type liquid crystal displaySANYO ELECTRIC CO·Filed 2002·Granted Feb 21, 2006·8 cites·14 claims
- 4364US2009278827A1Power Consumption of Display Apparatus During Still Image Display ModeSANYO ELECTRIC CO·Filed 2009·Application pending·0 cites
- 4462US9454228B2Vibrating touch panel displayYOKOYAMA RYOICHI·Filed 2011·Granted Sep 27, 2016·1 cites·8 claims
- 4562US8502765B2Liquid crystal displayYOKOYAMA RYOICHI·Filed 2007·Granted Aug 6, 2013·1 cites·22 claims
- 4662US6198796B1Method and apparatus of automatically selecting bragg reflections, method and system of automatically determining crystallographic orientationRIGAKU DENKI CO LTD·Filed 1999·Granted Mar 6, 2001·24 cites·29 claims
- 4760US9152000B2Liquid crystal displaySAMSUNG DISPLAY CO LTD·Filed 2013·Granted Oct 6, 2015·0 cites·7 claims
- 4860US6157228AData line driving circuit formed by a TFT based on polycrystalline siliconSANYO ELECTRIC CO·Filed 1998·Granted Dec 5, 2000·23 cites·6 claims
- 4959US7079100B2Active matrix type displaySANYO ELECTRIC CO·Filed 2003·Granted Jul 18, 2006·5 cites·14 claims
- 5056US8502931B2Liquid crystal display with an increased aperture ratioYOKOYAMA RYOICHI·Filed 2012·Granted Aug 6, 2013·0 cites·3 claims
Showing the top 50 of 72 patent records by PatentIndex Score.
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