Inventor · disambiguated record
Masahiko Ishikawa
Also filed as: ISHIKAWA MASAHIKO
23 granted patents·16 pending applications·167 citations·filing 1991–2021
93Inventor score
Top patents by PatentIndex Score
39 records- 0185US10113078B2Ink discharge device and ink discharge methodKATOH KEITA·Filed 2017·Granted Oct 30, 2018·2 cites·12 claims
- 0283US9618863B2Toner, developer and method of manufacturing tonerTAKAHASHI SATOSHI·Filed 2015·Granted Apr 11, 2017·2 cites·14 claims
- 0383US8889570B2Light-transmitting electromagnetic-shielding laminate and method for producing the same, light-transmitting radio wave absorber, and adhesive compositionMATSUMURA TAKATOSHI·Filed 2008·Granted Nov 18, 2014·8 cites·13 claims
- 0482US5379263ASemiconductor memory device which can provide required data flexibly under simplified control and operating method thereforMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Jan 3, 1995·51 cites·13 claims
- 0578US10151991B2Toner, toner stored unit, and image forming apparatusKOJIMA SATOSHI·Filed 2017·Granted Dec 11, 2018·1 cites·7 claims
- 0676US10266710B2Ink, image forming method, and liquid discharging deviceGOTO HIROSHI·Filed 2017·Granted Apr 23, 2019·1 cites·20 claims
- 0771US8063391B2Light-transmitting electromagnetic wave-shielding materialMATSUMURA TAKATOSHI·Filed 2008·Granted Nov 22, 2011·1 cites·6 claims
- 0870US8906573B2Reinforced solid polymer electrolyte composite membrane, membrane electrode assembly for solid polymer fuel cell, and solid polymer fuel cellISHIKAWA MASAHIKO·Filed 2008·Granted Dec 9, 2014·3 cites·11 claims
- 0968US5812863AApparatus for correcting misspelling and incorrect usage of wordMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Sep 22, 1998·52 cites·7 claims
- 1062US9248608B2Manufacturing method and manufacturing apparatus of an absorbent bodyOGASAWARA YOSHIKAZU·Filed 2010·Granted Feb 2, 2016·2 cites·4 claims
- 1157US11499062B2Ink, ink set, ink container, image forming method, and image forming apparatusRICOH CO LTD·Filed 2018·Granted Nov 15, 2022·0 cites·13 claims
- 1257US9971261B2TonerTAKAHASHI SATOSHI·Filed 2017·Granted May 15, 2018·0 cites·8 claims
- 1354US9482973B2Toner, method of manufacturing the toner, developer, and process cartridgeINOUE RYOTA·Filed 2015·Granted Nov 1, 2016·0 cites·14 claims
- 1453US9618862B2Toner and developerMORIYA YOSHIHIRO·Filed 2015·Granted Apr 11, 2017·0 cites·8 claims
- 1553US5394014ASemiconductor device improved in light shielding property and light shielding packageMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Feb 28, 1995·18 cites·8 claims
- 1653US5317195ASemiconductor device improved in light shielding property and light shielding packageMITSUBISHI ELECTRIC CORP·Filed 1991·Granted May 31, 1994·19 cites·19 claims
- 1752US11181709B2Manufacturing method of optical fiber ribbon and manufacturing apparatus thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Nov 23, 2021·0 cites·7 claims
- 1848US2013087289A1Manufacturing method and manufacturing appartus of an absorbent bodyUNI CHARM CORP·Filed 2012·Application pending·0 cites
- 1946US10286666B2Ink discharge device and ink discharge methodISHIKAWA MASAHIKO·Filed 2017·Granted May 14, 2019·0 cites·10 claims
- 2045US10190007B2Ink, ink container, image forming method, image forming apparatus, and image formed matterGOTO HIROSHI·Filed 2016·Granted Jan 29, 2019·0 cites·20 claims
- 2145US2005234205A1Copolymer, paper-treating agent, and processed paperYAMAGUCHI FUMIHIKO·Filed 2003·Application pending·0 cites
- 2245US2024012353A1Image forming apparatusFURUICHI YUUSUKE·Filed 2021·Application pending·0 cites
- 2344US2019121044A1Method and apparatus for manufacturing optical fiber ribbonSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Application pending·0 cites
- 2444US2016266521A1Toner, image formation device, and process cartridgeINOUE RYOTA·Filed 2014·Application pending·0 cites
- 2543US5321097AHeat-resistant resin compositionMITSUBISHI GAS CHEMICAL CO·Filed 1993·Granted Jun 14, 1994·7 cites·7 claims
- 2643US2019150858A1Image display device and image display methodDAIWA HOUSE IND·Filed 2016·Application pending·0 cites
- 2742US2010167160A1Method For Producing Polymer Electrolyte Membrane For Solid Polymer Fuel Cell, Membrane Eelctrode Assembly For Solid Polymer Fuel Cell, and Solid Polymer Fuel CellTAKANE TOMOYUKI·Filed 2008·Application pending·0 cites
- 2842US2021294229A1Image forming apparatus, toner, two-component developing agent, and image forming methodRICOH CO LTD·Filed 2021·Application pending·0 cites
- 2941US9785065B2Toner, and method for manufacturing tonerINOUE RYOTA·Filed 2015·Granted Oct 10, 2017·0 cites·10 claims
- 3041US7865114B2Image forming apparatus, image forming method and process cartridgeRICOH CO LTD·Filed 2007·Granted Jan 4, 2011·0 cites·12 claims
- 3141US2010203419A1Process For Producing Solid Polymer Electrolyte Membrane, and Solid Polymer Electrolyte MembraneISHIKAWA MASAHIKO·Filed 2008·Application pending·0 cites
- 3238US2012247349A1Method and apparatus that makes thickness of absorbent body thinOGASAWARA YOSHIKAZU·Filed 2010·Application pending·0 cites
- 3338US2007219331A1Fluorine-Containing Polymer and Treating Agent CompositionISHIKAWA MASAHIKO·Filed 2005·Application pending·0 cites
- 3434US2012018078A1Manufacturing apparatus for an absorbent body, and a method for manufacturing an air-permeable memberISHIKAWA MASAHIKO·Filed 2010·Application pending·0 cites
- 3534US2016077455A1Toner, developer, and method of manufacturing the tonerMORIYA YOSHIHIRO·Filed 2015·Application pending·0 cites
- 3633US2015362852A1Toner, method of manufacturing toner, image forming method, and image forming apparatusMORIYA YOSHIHIRO·Filed 2015·Application pending·0 cites
- 3733US2004058260A1Toner composition, two component developer using the toner composition, and method and apparatus for developing electrostatic latent image using the toner compositionFiled 2003·Application pending·0 cites
- 3833US2015241804A1Toner and developerTAKAHASHI SATOSHI·Filed 2015·Application pending·0 cites
- 3928US5457174AMethod for preparing polycarbonates by transesterification in a steel reactorMITSUBISHI GAS CHEMICAL CO·Filed 1994·Granted Oct 10, 1995·0 cites·12 claims
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