Inventor · disambiguated record
Koji Yasukawa
Also filed as: YASUKAWA KOJI
19 granted patents·6 pending applications·147 citations·filing 1985–2020
93Inventor score
Files withJAPAN DISPLAY INC11SEIKO EPSON CORP6FUJITA TETSUJI1KOBAYASHI HIDEKAZU1KOKUSAI DENSHIN DENWA CO LTD1
Top patents by PatentIndex Score
25 records- 0191US5391462AOtical record diskTDK CORP·Filed 1993·Granted Feb 21, 1995·59 cites·2 claims
- 0289US7947992B2Light-emitting element, display device, and electronic apparatusSEIKO EPSON CORP·Filed 2009·Granted May 24, 2011·15 cites·22 claims
- 0385US8415685B2Light-emitting element, light-emitting apparatus, display, and electronic deviceFUJITA TETSUJI·Filed 2010·Granted Apr 9, 2013·6 cites·19 claims
- 0484US7960912B2Light-emitting device that includes a plurality of light-emitting layers stacked on top of each other, display, and electronic apparatusSEIKO EPSON CORP·Filed 2008·Granted Jun 14, 2011·24 cites·14 claims
- 0581US8922112B2Light emitting deviceKOBAYASHI HIDEKAZU·Filed 2008·Granted Dec 30, 2014·7 cites·5 claims
- 0681US8159650B2Device manufacturing method, device manufacturing system, and measurement/inspection apparatusOKITA SHINICHI·Filed 2008·Granted Apr 17, 2012·8 cites·24 claims
- 0780US10121829B2Display element, display device, and manufacturing method of the display deviceJAPAN DISPLAY INC·Filed 2017·Granted Nov 6, 2018·3 cites·20 claims
- 0879US8314419B2Light-emitting element, light-emitting device, display, and electronic equipmentMITSUYA MASAYUKI·Filed 2010·Granted Nov 20, 2012·5 cites·14 claims
- 0973US7863814B2Organic electroluminescent device comprising a stack partition structureSEIKO EPSON CORP·Filed 2008·Granted Jan 4, 2011·3 cites·6 claims
- 1066US10026922B2Display deviceJAPAN DISPLAY INC·Filed 2016·Granted Jul 17, 2018·1 cites·16 claims
- 1158US7755281B2Electroluminescent device having island-shaped barrier layersSEIKO EPSON CORP·Filed 2007·Granted Jul 13, 2010·2 cites·8 claims
- 1249US10483480B2Display deviceJAPAN DISPLAY INC·Filed 2018·Granted Nov 19, 2019·0 cites·11 claims
- 1348US12495665B2Display device having carrier blocking section between pixelsSHARP KK·Filed 2020·Granted Dec 9, 2025·0 cites·17 claims
- 1448US10128454B2Display deviceJAPAN DISPLAY INC·Filed 2017·Granted Nov 13, 2018·0 cites·5 claims
- 1548US4853702ARadio wave receiving systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1985·Granted Aug 1, 1989·14 cites·11 claims
- 1647US10777614B2Display deviceJAPAN DISPLAY INC·Filed 2019·Granted Sep 15, 2020·0 cites·18 claims
- 1747US2009079335A1Light-emitting device, display, and electronic apparatusSEIKO EPSON CORP·Filed 2008·Application pending·0 cites
- 1846US10672845B2Display device and method of manufacturing display deviceJAPAN DISPLAY INC·Filed 2018·Granted Jun 2, 2020·0 cites·17 claims
- 1944US2007075633A1Organic electroluminescence device and electronic apparatusSEIKO EPSON CORP·Filed 2006·Application pending·0 cites
- 2042US10050232B2Light emitting device and organic electroluminescence display deviceJAPAN DISPLAY INC·Filed 2017·Granted Aug 14, 2018·0 cites·20 claims
- 2142US2019051853A1Light-emitting element and display device having the light-emitting elementJAPAN DISPLAY INC·Filed 2018·Application pending·0 cites
- 2242US2019123303A1Display deviceJAPAN DISPLAY INC·Filed 2018·Application pending·0 cites
- 2341US9666651B2Display deviceJAPAN DISPLAY INC·Filed 2015·Granted May 30, 2017·0 cites·10 claims
- 2441US2007219664A1Device Processing System, Information Display Method, Program, and Recording MediumNIKON CORP·Filed 2005·Application pending·0 cites
- 2535US2016104860A1Organic electroluminescent display device and method for manufacturing the sameJAPAN DISPLAY INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →