Inventor · disambiguated record
Hitoshi Yamamoto
Also filed as: YAMAMOTO HITOSHI
239 granted patents·59 pending applications·2,733 citations·filing 1976–2024
99Inventor score
Files withSEIKO EPSON CORP74NEC CORP27UNIVERSAL DISPLAY CORP26YAMAMOTO HITOSHI19HONDA MOTOR CO LTD18
Top patents by PatentIndex Score
298 records- 0199US4183509AShock absorber for vehicle useHONDA MOTOR CO LTD·Filed 1978·Granted Jan 15, 1980·141 cites·2 claims
- 0298US9768404B1Quantum dot spacing for high efficiency quantum dot LED displaysAPPLE INC·Filed 2016·Granted Sep 19, 2017·43 cites·24 claims
- 0398US4601875AProcess for producing magnetic materialsSUMITOMO SPEC METALS·Filed 1983·Granted Jul 22, 1986·98 cites·38 claims
- 0496US10192932B2Quantum dot LED and OLED integration for high efficiency displaysAPPLE INC·Filed 2016·Granted Jan 29, 2019·14 cites·13 claims
- 0595US8081375B2Electrophoretic sheet, electrophoresis apparatus, method for manufacturing an electrophoresis apparatus and electronic deviceKOMATSU HARUNOBU·Filed 2008·Granted Dec 20, 2011·34 cites·19 claims
- 0694US11626568B1Organic light-emitting diode display with a conductive layer having an additiveAPPLE INC·Filed 2021·Granted Apr 11, 2023·6 cites·18 claims
- 0794US10700236B2Quantum dot spacing for high efficiency quantum dot LED displaysAPPLE INC·Filed 2017·Granted Jun 30, 2020·7 cites·16 claims
- 0894US9601708B2Organic light emitting device and materials for use in sameYAMAMOTO HITOSHI·Filed 2011·Granted Mar 21, 2017·14 cites·10 claims
- 0994US4773950APermanent magnetSUMITOMO SPEC METALS·Filed 1983·Granted Sep 27, 1988·46 cites·26 claims
- 1093US9831437B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2014·Granted Nov 28, 2017·12 cites·17 claims
- 1193US9142791B2OLED having multi-component emissive layerADAMOVICH VADIM·Filed 2011·Granted Sep 22, 2015·12 cites·20 claims
- 1293US7576903B2Microcapsule, method of manufacturing microcapsule, electrophoretic device, and electric apparatusSEIKO EPSON CORP·Filed 2006·Granted Aug 18, 2009·19 cites·23 claims
- 1393US7365900B2Electrophoretic sheet, electrophoretic device, method for manufacturing electrophoretic device, and electronic apparatusSEIKO EPSON CORP·Filed 2007·Granted Apr 29, 2008·17 cites·18 claims
- 1493US4203507AShock absorberHONDA MOTOR CO LTD·Filed 1978·Granted May 20, 1980·59 cites·11 claims
- 1592US10199581B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2013·Granted Feb 5, 2019·8 cites·22 claims
- 1692US10074806B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2014·Granted Sep 11, 2018·7 cites·26 claims
- 1792US9590194B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2014·Granted Mar 7, 2017·9 cites·22 claims
- 1892US7733559B2Electrophoretic display sheet, electrophoretic display device, and electronic apparatusSEIKO EPSON CORP·Filed 2007·Granted Jun 8, 2010·16 cites·7 claims
- 1991US11774641B2Pixel arrangements for electronic device displaysAPPLE INC·Filed 2020·Granted Oct 3, 2023·2 cites·17 claims
- 2091US11611042B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2020·Granted Mar 21, 2023·2 cites·18 claims
- 2191US10109815B2Reducing OLED device efficiency at low luminanceUNIVERSAL DISPLAY CORP·Filed 2017·Granted Oct 23, 2018·4 cites·17 claims
- 2291US10003033B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2014·Granted Jun 19, 2018·7 cites·20 claims
- 2391US7306831B1Liquid crystal composition and liquid crystal display elementCHISSO CORP·Filed 2005·Granted Dec 11, 2007·23 cites·36 claims
- 2490US11258094B2Solid electrolyte, method for producing solid electrolyte, secondary battery, and electronic apparatusSEIKO EPSON CORP·Filed 2019·Granted Feb 22, 2022·2 cites·8 claims
- 2590US10457699B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2014·Granted Oct 29, 2019·6 cites·19 claims
- 2690US8258406B2Electrophoretic display deviceKAWASE TAKEO·Filed 2010·Granted Sep 4, 2012·7 cites·5 claims
- 2790US7390694B2Method for manufacturing an organic semiconductor device, as well as organic semiconductor device, electronic device, and electronic apparatusSEIKO EPSON CORP·Filed 2006·Granted Jun 24, 2008·12 cites·12 claims
- 2889US9502656B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2014·Granted Nov 22, 2016·8 cites·21 claims
- 2989US7829795B2Electrophoretic display sheet, electrophoretic display device, and electronic apparatusSEIKO EPSON CORP·Filed 2009·Granted Nov 9, 2010·9 cites·9 claims
- 3088US8238020B2Electrophoretic display sheet productions process, electrophoretic display sheet, electrophoretic display device, and electronic apparatusYAMAMOTO HITOSHI·Filed 2010·Granted Aug 7, 2012·6 cites·15 claims
- 3188US8174755B2Microcapsules for electrophoretic display devices, and processes for their production, and their applicationsYAMAMOTO HITOSHI·Filed 2007·Granted May 8, 2012·14 cites·17 claims
- 3287US11427607B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2019·Granted Aug 30, 2022·2 cites·20 claims
- 3387US10991896B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2018·Granted Apr 27, 2021·2 cites·1729 claims
- 3487US10510973B2Color-stable organic light emitting diode stackUNIVERSAL DISPLAY CORP·Filed 2015·Granted Dec 17, 2019·6 cites·20 claims
- 3587US5758057AMulti-media storage systemMITSUBISHI ELECTRIC CORP·Filed 1996·Granted May 26, 1998·140 cites·15 claims
- 3687US4826546AProcess for producing permanent magnets and products thereofSUMITOMO SPEC METALS·Filed 1987·Granted May 2, 1989·33 cites·50 claims
- 3787US4373602APower unit suspension system for motorcyclesHONDA MOTOR CO LTD·Filed 1981·Granted Feb 15, 1983·48 cites·18 claims
- 3887US2025133952A1Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2024·Application pending·0 cites
- 3986US10947160B2Solid electrolyte and lithium ion batterySEIKO EPSON CORP·Filed 2020·Granted Mar 16, 2021·1 cites·9 claims
- 4085US11309372B2Organic light-emitting diode display with reduced lateral leakageAPPLE INC·Filed 2018·Granted Apr 19, 2022·3 cites·12 claims
- 4185US10862162B2Electrode composite body, method of manufacturing electrode composite body, and lithium batterySEIKO EPSON CORP·Filed 2019·Granted Dec 8, 2020·1 cites·8 claims
- 4285US10615451B2Electrolyte battery, and electronic apparatusSEIKO EPSON CORP·Filed 2019·Granted Apr 7, 2020·1 cites·8 claims
- 4385US10461131B2Quantum dot LED and OLED integration for high efficiency displaysAPPLE INC·Filed 2018·Granted Oct 29, 2019·3 cites·15 claims
- 4485US9450198B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2014·Granted Sep 20, 2016·5 cites·18 claims
- 4585US4422718ASubmarine optical fiber cableKOKUSAI DENSHIN DENWA CO LTD·Filed 1981·Granted Dec 27, 1983·48 cites·8 claims
- 4684US9239542B2Image forming apparatusKASAI TADASHI·Filed 2014·Granted Jan 19, 2016·3 cites·13 claims
- 4784US7764420B2Display device, method of manufacturing display device and electronic apparatusSEIKO EPSON CORP·Filed 2008·Granted Jul 27, 2010·8 cites·20 claims
- 4884US5838891AData storage system and storage managing methodMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Nov 17, 1998·118 cites·22 claims
- 4984US4762098ALubricating device for overhead valve engineKAWASAKI HEAVY IND LTD·Filed 1987·Granted Aug 9, 1988·42 cites·4 claims
- 5084US4632070ADevice for cooling engine power unitHONDA MOTOR CO LTD·Filed 1985·Granted Dec 30, 1986·45 cites·5 claims
Showing the top 50 of 298 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →