Inventor · disambiguated record
Masahiro Ishii
Also filed as: ISHII MASAHIRO
144 granted patents·32 pending applications·1,678 citations·filing 1985–2025
99Inventor score
Files withHITACHI LTD35BROTHER IND LTD32PANASONIC LIQUID CRYSTAL DISPL16PANASONIC IP MAN CO LTD12HITACHI DISPLAYS LTD10
Top patents by PatentIndex Score
176 records- 0199US7840154B2Image forming device and cartridgeBROTHER IND LTD·Filed 2008·Granted Nov 23, 2010·43 cites·85 claims
- 0299US6583846B1Liquid crystal display device with spacer covered with an electrodeHITACHI LTD·Filed 2000·Granted Jun 24, 2003·121 cites·14 claims
- 0397US6456810B1Developing cartridge having toner agitator agitating toners in toner container and transferring toner to developing chamberBROTHER IND LTD·Filed 2000·Granted Sep 24, 2002·95 cites·28 claims
- 0497US6337956B1Developing device having toner agitation member and cleaning member cleaning light transmission windowBROTHER IND LTD·Filed 2000·Granted Jan 8, 2002·93 cites·77 claims
- 0596US8005392B2Image forming device with pressing members, process cartridge, and developer cartridgeBROTHER IND LTD·Filed 2008·Granted Aug 23, 2011·12 cites·19 claims
- 0696US6219505B1Image forming apparatus having paper-dust removing devicesBROTHER IND LTD·Filed 1999·Granted Apr 17, 2001·88 cites·58 claims
- 0795US8027005B2Liquid crystal display having a pixel region with a source electrode of at least a high-melting-point metal layerHITACHI LTD·Filed 2010·Granted Sep 27, 2011·8 cites·6 claims
- 0894US7612853B2Active matrix liquid crystal display deviceHITACHI LTD·Filed 2006·Granted Nov 3, 2009·11 cites·7 claims
- 0994US7336913B2Developing apparatus, process cartridge and image forming apparatus for preventing leakageBROTHER IND LTD·Filed 2005·Granted Feb 26, 2008·20 cites·30 claims
- 1094US6710835B2Liquid crystal display device with stacked insulating film of different layersHITACHI LTD·Filed 2002·Granted Mar 23, 2004·70 cites·13 claims
- 1194US6667790B2Liquid crystal display having particular spacerHITACHI LTD·Filed 2002·Granted Dec 23, 2003·44 cites·21 claims
- 1293US7471921B2Developing device and image forming apparatusBROTHER IND LTD·Filed 2006·Granted Dec 30, 2008·16 cites·12 claims
- 1393US6525705B1Liquid crystal display device having a redundant circuitHITACHI LTD·Filed 2000·Granted Feb 25, 2003·61 cites·16 claims
- 1492US7292802B2Developing apparatus and assembly method of developing apparatusBROTHER IND LTD·Filed 2005·Granted Nov 6, 2007·13 cites·11 claims
- 1592US6704085B2Liquid 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
- 1692US6501933B2Developing cartridge with agitator driven to rotate independent from developing rollerBROTHER IND LTD·Filed 2001·Granted Dec 31, 2002·42 cites·20 claims
- 1792US6462799B2Lateral electric-field liquid crystal display device suitable for improvement of aperture ratioHITACHI LTD·Filed 2001·Granted Oct 8, 2002·30 cites·11 claims
- 1891US10072928B2Physical quantity detection vibrator element, physical quantity detection apparatus, electronic apparatus, and moving objectSEIKO EPSON CORP·Filed 2016·Granted Sep 11, 2018·9 cites·20 claims
- 1991US7444087B2Image forming apparatus and developer cartridge with power supply shielding mechanismBROTHER IND LTD·Filed 2006·Granted Oct 28, 2008·13 cites·10 claims
- 2091US6552770B2Liquid crystal display having shield layers on both sides of spacer across signal lineHITACHI LTD·Filed 2002·Granted Apr 22, 2003·28 cites·4 claims
- 2190US11022834B1Viewing angle control unit and display device including samePANASONIC LIQUID CRYSTAL DISPL·Filed 2020·Granted Jun 1, 2021·3 cites·12 claims
- 2290US6798486B2Liquid crystal display device with spacers formed on a planarizing film disposed over color filtersHITACHI LTD·Filed 2002·Granted Sep 28, 2004·22 cites·5 claims
- 2389US9748921B2Electronic device, electronic apparatus, and moving objectSEIKO EPSON CORP·Filed 2015·Granted Aug 29, 2017·6 cites·11 claims
- 2489US6831724B2Lateral electric-field liquid crystal display device suitable for improvement of aperture ratioHITACHI LTD·Filed 2001·Granted Dec 14, 2004·20 cites·26 claims
- 2588US12282283B2Cartridge including photoconductive drum, developing roller, memory and terminal connected to the memoryBROTHER IND LTD·Filed 2023·Granted Apr 22, 2025·0 cites·12 claims
- 2688US8879027B2Liquid crystal display deviceISHII MASATO·Filed 2012·Granted Nov 4, 2014·7 cites·6 claims
- 2788US8233816B2Developer cartridge with memory and terminalISHII MASAHIRO·Filed 2011·Granted Jul 31, 2012·2 cites·5 claims
- 2888US7248325B2Liquid crystal display having particular electrodes and particular common lineHITACHI LTD·Filed 2005·Granted Jul 24, 2007·7 cites·10 claims
- 2988US2025244706A1Image forming device, process cartridge, and developer cartridgeBROTHER IND LTD·Filed 2025·Application pending·0 cites
- 3087US8073358B2Image forming device and cartridgeISHII MASAHIRO·Filed 2010·Granted Dec 6, 2011·2 cites·16 claims
- 3187US6300926B1Active matrix type liquid crystal displayHITACHI LTD·Filed 1999·Granted Oct 9, 2001·90 cites·11 claims
- 3287US5835761AInformation processing system capable of updating a BIOS programme without interrupting or stopping the operational of a systemMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Nov 10, 1998·208 cites·33 claims
- 3384US7242888B2Image forming apparatus with processing unit that can be removed from the image forming apparatus without removing exposing devicesBROTHER IND LTD·Filed 2004·Granted Jul 10, 2007·24 cites·32 claims
- 3483US8767137B2Liquid crystal display device with red, green and blue subpixels having different aperture ratiosHIYAMA IKUO·Filed 2011·Granted Jul 1, 2014·8 cites·3 claims
- 3583US8363492B2Delay adjustment device and delay adjustment methodPANASONIC CORP·Filed 2010·Granted Jan 29, 2013·8 cites·12 claims
- 3683US7680430B2Developing apparatus, process cartridge, developer cartridge, and image forming apparatus including leakage preventing memberBROTHER IND LTD·Filed 2006·Granted Mar 16, 2010·7 cites·28 claims
- 3783US7184688B2Image forming apparatusBROTHER IND LTD·Filed 2004·Granted Feb 27, 2007·22 cites·24 claims
- 3882US8483595B2Image forming device and cartridgeISHII MASAHIRO·Filed 2011·Granted Jul 9, 2013·1 cites·40 claims
- 3982US6600541B2Liquid crystal displayHITACHI LTD·Filed 2001·Granted Jul 29, 2003·23 cites·20 claims
- 4081US11815842B2Developing cartridge including developing roller memory, and terminal and being detachably attachable to drum cartridge including photoconductive drumBROTHER IND LTD·Filed 2021·Granted Nov 14, 2023·0 cites·14 claims
- 4181US10649390B2Developing cartridgeBROTHER IND LTD·Filed 2019·Granted May 12, 2020·0 cites·16 claims
- 4279US10452017B2Developing cartridge including developing roller at one end of developing frame and terminal at another end of developing frame, and memory electrically connected to terminalBROTHER IND LTD·Filed 2019·Granted Oct 22, 2019·0 cites·21 claims
- 4379US7751020B2Liquid crystal display device with two kinds of projected portions on a substrateHITACHI LTD·Filed 2006·Granted Jul 6, 2010·4 cites·7 claims
- 4479US7453541B2Liquid crystal display having particular electrodes and a spacerHITACHI LTD·Filed 2007·Granted Nov 18, 2008·3 cites·10 claims
- 4578US8730443B2Liquid crystal display deviceJAPAN DISPLAY EAST INC·Filed 2013·Granted May 20, 2014·1 cites·6 claims
- 4678US8675083B2Proximity wireless communication apparatus including fixed housing and movable housing rotated endlesslyKITAGAWA DAISAKU·Filed 2011·Granted Mar 18, 2014·4 cites·17 claims
- 4777US11287709B2Active matrix substrate and liquid crystal display devicePANASONIC LIQUID CRYSTAL DISPL·Filed 2020·Granted Mar 29, 2022·1 cites·17 claims
- 4877US10589426B2RobotPANASONIC IP MAN CO LTD·Filed 2018·Granted Mar 17, 2020·4 cites·10 claims
- 4977US8878559B2IC current measuring apparatus and IC current measuring adapterNAKAYAMA TAKESHI·Filed 2011·Granted Nov 4, 2014·4 cites·11 claims
- 5077US7719647B2Liquid crystal display apparatusHITACHI DISPLAYS LTD·Filed 2006·Granted May 18, 2010·5 cites·15 claims
Showing the top 50 of 176 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →