Inventor · disambiguated record
Keiji Horikawa
Also filed as: HORIKAWA KEIJI
27 granted patents·12 pending applications·81 citations·filing 2002–2024
95Inventor score
Files withMURATA MANUFACTURING CO11MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9JOLED INC5PANASONIC CORP4GOTOU MASASHI2
Top patents by PatentIndex Score
39 records- 0191US9748046B2Power storage deviceMURATA MANUFACTURING CO·Filed 2015·Granted Aug 29, 2017·7 cites·7 claims
- 0291US9558893B2Power storage deviceMURATA MANUFACTURING CO·Filed 2015·Granted Jan 31, 2017·6 cites·6 claims
- 0389US9728343B2Electrical storage device element and electrical storage deviceMURATA MANUFACTURING CO·Filed 2013·Granted Aug 8, 2017·8 cites·10 claims
- 0483US9911547B2Electric storage device and method for manufacturing the sameMURATA MANUFACTURING CO·Filed 2014·Granted Mar 6, 2018·3 cites·6 claims
- 0582US9514893B2Electrical storage device and method for manufacturing the sameMURATA MANUFACTURING CO·Filed 2013·Granted Dec 6, 2016·3 cites·11 claims
- 0682US9368776B2Power storage device and manufacturing method thereforMURATA MANUFACTURING CO·Filed 2012·Granted Jun 14, 2016·4 cites·6 claims
- 0782US7271538B2Plasma display panel having a reduced impurity gas contentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Sep 18, 2007·7 cites·13 claims
- 0879US10134532B2Electric double-layer capacitorMURATA MANUFACTURING CO·Filed 2017·Granted Nov 20, 2018·2 cites·9 claims
- 0978US8120254B2Plasma display panel comprising sputtering prevention layerAOTO KOJI·Filed 2009·Granted Feb 21, 2012·7 cites·9 claims
- 1077US9793062B2Electric storage device and method for producing the sameMURATA MANUFACTURING CO·Filed 2013·Granted Oct 17, 2017·2 cites·19 claims
- 1175US10396308B2Organic EL display panelJOLED INC·Filed 2018·Granted Aug 27, 2019·2 cites·9 claims
- 1270US7659668B2Plasma display devicePANASONIC CORP·Filed 2007·Granted Feb 9, 2010·2 cites·2 claims
- 1365US2025241139A1Display deviceJAPAN DISPLAY INC·Filed 2024·Application pending·0 cites
- 1464US7037156B2Method of manufacturing a plasma display panel with adsorbing an impurity gasMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 2, 2006·4 cites·3 claims
- 1563US7423368B2Plasma display and method of producing phosphor used thereinMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Sep 9, 2008·8 cites·2 claims
- 1660US7396489B2Plasma display device and method of manufacturing sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jul 8, 2008·5 cites·9 claims
- 1759US7423376B2Plasma display deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Sep 9, 2008·5 cites·2 claims
- 1859US7268492B2Plasma display device with green emitting phosphor that becomes positively chargedMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Sep 11, 2007·5 cites·6 claims
- 1954US7175493B2Plasma display panel and its manufacturing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Feb 13, 2007·0 cites·13 claims
- 2052US10998526B2Organic EL display panel including a multilayer sealing layer, organic EL display device, and manufacturing method thereofJOLED INC·Filed 2018·Granted May 4, 2021·0 cites·20 claims
- 2152US2010314997A1Plasma display panelHORIKAWA KEIJI·Filed 2009·Application pending·0 cites
- 2251US10347865B2Organic EL display panelJOLED INC·Filed 2018·Granted Jul 9, 2019·0 cites·10 claims
- 2349US8035301B2Plasma display device and method of manufacturing green phosphor material for plasma display devicePANASONIC CORP·Filed 2007·Granted Oct 11, 2011·0 cites·3 claims
- 2449US2010176721A1Plasma display panelHASEGAWA KEN·Filed 2009·Application pending·0 cites
- 2547US9887387B2Organic EL display panelJOLED INC·Filed 2017·Granted Feb 6, 2018·0 cites·6 claims
- 2646US7911139B2Plasma display device with improved luminancePANASONIC CORP·Filed 2007·Granted Mar 22, 2011·0 cites·2 claims
- 2746US7705537B2Plasma display devicePANASONIC CORP·Filed 2007·Granted Apr 27, 2010·0 cites·2 claims
- 2846US7261917B2Plasma display and method of producing phosphor used thereinMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Aug 28, 2007·1 cites·4 claims
- 2945US9653704B2Display panelJOLED INC·Filed 2015·Granted May 16, 2017·0 cites·2 claims
- 3045US2012217056A1Electronic Component and Package for Device, and Method of Manufacturing the SameHORIKAWA KEIJI·Filed 2012·Application pending·0 cites
- 3144US2018233300A1Electric double-layer capacitor and method for manufacturing the sameMURATA MANUFACTURING CO·Filed 2018·Application pending·0 cites
- 3244US2010156266A1Gas discharge light emitting panelMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 3342US2018190440A1Electric double layer capacitor and manufacturing method thereforMURATA MANUFACTURING CO·Filed 2018·Application pending·0 cites
- 3441US2017365420A1Electric double-layer capacitorMURATA MANUFACTURING CO·Filed 2017·Application pending·0 cites
- 3538US8283864B2Plasma display panel with protective layer comprising crystal particles of magnesium oxideKAWARAZAKI HIDEJI·Filed 2011·Granted Oct 9, 2012·0 cites·3 claims
- 3635US2013017751A1Method for producing plasma display panelGOTOU MASASHI·Filed 2011·Application pending·0 cites
- 3735US2013012096A1Method for producing plasma display panelGOTOU MASASHI·Filed 2011·Application pending·0 cites
- 3834US2012013248A1Plasma display panelYOSHINO KYOHEI·Filed 2011·Application pending·0 cites
- 3929US2013012095A1Process for producing plasma display panelTSUJITA TAKUJI·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →