Inventor · disambiguated record
Hirotsugu Sakamoto
Also filed as: SAKAMOTO HIROTSUGU
26 granted patents·6 pending applications·73 citations·filing 1988–2024
95Inventor score
Files withJAPAN DISPLAY INC17HITACHI LTD6HITACHI DISPLAYS LTD5SAKAMOTO HIROTSUGU2MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1
Top patents by PatentIndex Score
32 records- 0198US11825716B2Display deviceJAPAN DISPLAY INC·Filed 2022·Granted Nov 21, 2023·4 cites·5 claims
- 0292US11329123B2Display deviceJAPAN DISPLAY INC·Filed 2020·Granted May 10, 2022·2 cites·4 claims
- 0392US9831299B2OLED display panel and manufacturing method thereofJAPAN DISPLAY INC·Filed 2016·Granted Nov 28, 2017·5 cites·29 claims
- 0492US2025072249A1Display deviceJAPAN DISPLAY INC·Filed 2024·Application pending·0 cites
- 0591US9525018B2OLED display panel and manufacturing method thereofJAPAN DISPLAY INC·Filed 2016·Granted Dec 20, 2016·3 cites·11 claims
- 0688US12185605B2Display deviceJAPAN DISPLAY INC·Filed 2023·Granted Dec 31, 2024·0 cites·5 claims
- 0786US10707294B2Display deviceJAPAN DISPLAY INC·Filed 2019·Granted Jul 7, 2020·1 cites·16 claims
- 0886US9385176B2OLED display panel and manufacturing method thereofJAPAN DISPLAY INC·Filed 2014·Granted Jul 5, 2016·3 cites·9 claims
- 0985US10347708B2OLED display panel and manufacturing method thereofJAPAN DISPLAY INC·Filed 2017·Granted Jul 9, 2019·2 cites·15 claims
- 1084US5073797AToner sealing arrangement for a dry developing device of an electrostatic copierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Dec 17, 1991·30 cites·4 claims
- 1182US9076985B2Display device and method for producing the sameJAPAN DISPLAY INC·Filed 2014·Granted Jul 7, 2015·4 cites·14 claims
- 1277US9590212B2Organic EL display device and method for manufacturing the organic EL display deviceJAPAN DISPLAY INC·Filed 2014·Granted Mar 7, 2017·3 cites·15 claims
- 1372US9673260B2Organic electroluminescent display device with an upper electrode in contact with a lower electrodeJAPAN DISPLAY INC·Filed 2016·Granted Jun 6, 2017·1 cites·10 claims
- 1472US7710015B2Self-emitting displayHITACHI DISPLAYS LTD·Filed 2005·Granted May 4, 2010·3 cites·6 claims
- 1568US9391122B2Organic EL display deviceJAPAN DISPLAY INC·Filed 2014·Granted Jul 12, 2016·1 cites·4 claims
- 1667US7830341B2Organic electroluminescence display deviceHITACHI DISPLAYS LTD·Filed 2007·Granted Nov 9, 2010·1 cites·11 claims
- 1766US9466817B2Method of manufacturing a display deviceJAPAN DISPLAY INC·Filed 2015·Granted Oct 11, 2016·1 cites·10 claims
- 1862US7423865B2Display device and apparatusHITACHI DISPLAYS LTD·Filed 2005·Granted Sep 9, 2008·2 cites·4 claims
- 1955US2016204176A1Display deviceJAPAN DISPLAY INC·Filed 2016·Application pending·0 cites
- 2053US6515410B2Color cathode ray tubeHITACHI LTD·Filed 2001·Granted Feb 4, 2003·2 cites·3 claims
- 2152US7705531B2Organic electroluminescent display device with a light shielding member arranged on an end wall face of a periphery of the substrateHITACHI DISPLAYS LTD·Filed 2004·Granted Apr 27, 2010·2 cites·7 claims
- 2252US2014175412A1Organic luminescent display device and method of manufacturing at organic luminescent display deviceJAPAN DISPLAY INC·Filed 2013·Application pending·0 cites
- 2351US9224977B2Method of manufacturing organic electroluminescent display deviceJAPAN DISPLAY INC·Filed 2014·Granted Dec 29, 2015·0 cites·2 claims
- 2451US6492766B1Color cathode ray tube with wide deflection angleHITACHI LTD·Filed 2000·Granted Dec 10, 2002·2 cites·19 claims
- 2549US6522058B2Color cathode ray tubeHITACHI LTD·Filed 2001·Granted Feb 18, 2003·1 cites·20 claims
- 2649US2009026447A1Light emitting deviceHITACHI DISPLAYS LTD·Filed 2008·Application pending·0 cites
- 2741US8076843B2Organic electroluminescence display deviceSAKAMOTO HIROTSUGU·Filed 2007·Granted Dec 13, 2011·0 cites·3 claims
- 2839US2007241664A1Organic Electroluminescence Display DeviceSAKAMOTO HIROTSUGU·Filed 2007·Application pending·0 cites
- 2938US6661186B2Color cathode ray tube, driving circuit therefor, color image reproducing device employing the driving circuit, and color image reproducing system including the color image reproducing deviceHITACHI LTD·Filed 2001·Granted Dec 9, 2003·0 cites·1 claims
- 3038US6407518B2Moire-reduced color display device including a color cathode ray tubeHITACHI LTD·Filed 2001·Granted Jun 18, 2002·0 cites·2 claims
- 3137US2002017852A1Color cathode ray tubeFiled 2001·Application pending·0 cites
- 3236US6646371B1Color cathode ray tube having a high-resolution electron gunHITACHI LTD·Filed 2000·Granted Nov 11, 2003·0 cites·4 claims
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