Inventor · disambiguated record
Kiyoshi Ikeda
Also filed as: IKEDA KIYOSHI
71 granted patents·35 pending applications·702 citations·filing 1976–2024
99Inventor score
Top patents by PatentIndex Score
106 records- 0198US8652654B2Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the sameINOUE TETSUYA·Filed 2011·Granted Feb 18, 2014·32 cites·29 claims
- 0297US8940414B2Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the sameINOUE TETSUYA·Filed 2012·Granted Jan 27, 2015·17 cites·40 claims
- 0397US8865323B2Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the sameINOUE TETSUYA·Filed 2012·Granted Oct 21, 2014·23 cites·30 claims
- 0495US10193077B2Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the sameIDEMITSU KOSAN CO·Filed 2014·Granted Jan 29, 2019·9 cites·13 claims
- 0594US8877352B2Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the sameINOUE TETSUYA·Filed 2011·Granted Nov 4, 2014·18 cites·24 claims
- 0693US9628766B2Display device, image processing device and image processing method, and computer programSONY CORP·Filed 2012·Granted Apr 18, 2017·10 cites·10 claims
- 0793US6624209B2Polymer polyol composition, process for producing the same, and process for producing polyurethane resinSANYO CHEMICAL IND LTD·Filed 2002·Granted Sep 23, 2003·61 cites·28 claims
- 0890US5536949ACharge injection auxiliary material and organic electroluminescence device containing the sameIDEMITSU KOSAN CO·Filed 1993·Granted Jul 16, 1996·97 cites·18 claims
- 0989US9740007B2Display device, image processing device and image processing method, and computer programSONY CORP·Filed 2012·Granted Aug 22, 2017·5 cites·10 claims
- 1088US6756414B2Polymer polyol composition, process for producing the same, and process for producing polyurethane resinSANYO CHEMICAL IND LTD·Filed 2003·Granted Jun 29, 2004·33 cites·1 claims
- 1187US10276637B2Organic EL multi-color light-emitting deviceMATSUMOTO TOSHIKI·Filed 2012·Granted Apr 30, 2019·7 cites·28 claims
- 1285US6757404B2Loud speaker, diaphragm and process for making the diaphragmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 29, 2004·37 cites·18 claims
- 1383US10038881B2Display device, image processing device and image processing method, and computer programSONY CORP·Filed 2016·Granted Jul 31, 2018·3 cites·22 claims
- 1482US9214636B2Organic electroluminescence deviceTAKASHIMA YORIYUKI·Filed 2007·Granted Dec 15, 2015·9 cites·10 claims
- 1582US9120748B2Fluoranthene compound, organic electroluminescence device using the same, and solution containing organic electroluminescence materialTAKASHIMA YORIYUKI·Filed 2007·Granted Sep 1, 2015·4 cites·7 claims
- 1681US10217945B2Compound, organic electroluminescent element material using same, organic electroluminescent element using this material, and electronic deviceIDEMITSU KOSAN CO·Filed 2014·Granted Feb 26, 2019·2 cites·17 claims
- 1780US10356375B2Display device, image processing device and image processing method, and computer programSONY CORP·Filed 2018·Granted Jul 16, 2019·2 cites·7 claims
- 1878US9705091B2Aromatic heterocycle derivative and organic electroluminescent element using sameIKEDA KIYOSHI·Filed 2011·Granted Jul 11, 2017·4 cites·32 claims
- 1977US5548012AAutomotive weather stripSUMITOMO CHEMICAL CO·Filed 1994·Granted Aug 20, 1996·20 cites·14 claims
- 2077US4015205ABaseband signal switching arrangement for diversity reception in a PCM radio communication systemNIPPON ELECTRIC CO·Filed 1976·Granted Mar 29, 1977·33 cites·2 claims
- 2176US8278819B2Organic electroluminescence device and displayHOSOKAWA CHISHIO·Filed 2008·Granted Oct 2, 2012·4 cites·18 claims
- 2276US5923352AMethod of adjusting electromechanical element of ink jet print head to increase uniformity of performance characteristicOKI DATA KK·Filed 1997·Granted Jul 13, 1999·35 cites·11 claims
- 2372US10038143B2Polymer compound, material for electronic elements, material for organic electroluminescent elements, and organic electroluminescent elementIDEMITSU KOSAN CO·Filed 2013·Granted Jul 31, 2018·2 cites·12 claims
- 2469US10032991B2Compound, organic electroluminescence element material, ink composition, organic electroluminescence element, electronic device, and method for producing compoundIDEMITSU KOSAN CO·Filed 2014·Granted Jul 24, 2018·1 cites·31 claims
- 2568US8778510B2Pyrromethene-boron complex compounds and organic electroluminescent elements using sameOKUDA FUMIO·Filed 2010·Granted Jul 15, 2014·2 cites·15 claims
- 2667US10290815B2Composition, compound, material for organic electroluminescence element, ink composition, organic electroluminescence element, and electronic deviceIDEMITSU KOSAN CO·Filed 2015·Granted May 14, 2019·1 cites·18 claims
- 2767US9134836B2Electronic device with touch panel for decreasing pointer wobblePANASONIC CORP·Filed 2014·Granted Sep 15, 2015·2 cites·5 claims
- 2867US8586199B2Organic electroluminescence deviceSADO TAKAYASU·Filed 2008·Granted Nov 19, 2013·3 cites·4 claims
- 2967US4292153AMethod for processing substrate materials by means of plasma treatmentFUJITSU LTD·Filed 1980·Granted Sep 29, 1981·35 cites·20 claims
- 3066US9508939B2Compound and organic electroluminescent element produced using sameIDEMITSU KOSAN CO·Filed 2014·Granted Nov 29, 2016·1 cites·29 claims
- 3166US8895154B2Organic electroluminescent deviceIWAKUMA TOSHIHIRO·Filed 2005·Granted Nov 25, 2014·4 cites·17 claims
- 3266US8401322B2Image recording device, image recording method and programHAMADA TOSHIMICHI·Filed 2010·Granted Mar 19, 2013·2 cites·17 claims
- 3364US9292142B2Electronic device and method for determining coordinatesPANASONIC CORP·Filed 2014·Granted Mar 22, 2016·1 cites·7 claims
- 3463US6680430B2Speaker edge, method of foam-molding the same, apparatus for foam-molding the same, speaker edge foam-molding system, and speaker employing the speaker edgeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 20, 2004·9 cites·16 claims
- 3562US10763442B2Compound, organic electroluminescent element material using same, organic electroluminescent element using this material, and electronic deviceIDEMITSU KOSAN CO·Filed 2019·Granted Sep 1, 2020·0 cites·36 claims
- 3661US5462975ARubber compositions for sponge rubberSUMITOMO CHEMICAL CO·Filed 1994·Granted Oct 31, 1995·16 cites·16 claims
- 3760US2015228912A1Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the sameIDEMITSU KOSAN CO·Filed 2015·Application pending·0 cites
- 3859US8363167B2Image processing apparatus, image processing method, and communication systemSONY CORP·Filed 2009·Granted Jan 29, 2013·0 cites·7 claims
- 3958US4703479AMulti-direction time division multiplex communication apparatusNEC CORP·Filed 1985·Granted Oct 27, 1987·22 cites·1 claims
- 4058US2025057041A1Compound, organic-electroluminescence-device material, organic electroluminescence device, and electronic deviceIDEMITSU KOSAN CO·Filed 2024·Application pending·0 cites
- 4157US10831027B2Display device, image processing device and image processing methodSONY CORP·Filed 2017·Granted Nov 10, 2020·0 cites·11 claims
- 4257US6203577B1Shrink-proof treatment of cellulosic fiber textileNISSHIN SPINNING·Filed 1998·Granted Mar 20, 2001·15 cites·6 claims
- 4356US5889538AInk jet recording apparatusOKI DATA KK·Filed 1996·Granted Mar 30, 1999·17 cites·18 claims
- 4456US2013221333A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2013·Application pending·0 cites
- 4555US2022324804A1Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 4654US11271171B2Biscarbazole derivative and organic electroluminescent element using sameIDEMITSU KOSAN CO·Filed 2015·Granted Mar 8, 2022·0 cites·27 claims
- 4754US6098257AMethod of manufacturing a print head for use with an ink jet printerOKI DATA KK·Filed 1996·Granted Aug 8, 2000·14 cites·7 claims
- 4853US10147889B2Biscarbazole derivative and organic electroluminescent element using sameIDEMITSU KOSAN CO·Filed 2016·Granted Dec 4, 2018·0 cites·29 claims
- 4953US2012305908A1Organic electroluminescence device and displayHOSOKAWA CHISHIO·Filed 2012·Application pending·0 cites
- 5052US6367912B1Ink jet recording apparatusOKI DATA KK·Filed 1998·Granted Apr 9, 2002·13 cites·10 claims
Showing the top 50 of 106 patent records by PatentIndex Score.
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