Inventor · disambiguated record
Shigeyuki Harada
Also filed as: HARADA SHIGEYUKI
55 granted patents·3 pending applications·761 citations·filing 1985–2024
98Inventor score
Top patents by PatentIndex Score
58 records- 0198US6400492B1Electrophoretic display liquid, and electrophoretic display medium, method and device using the liquidRICOH KK·Filed 2000·Granted Jun 4, 2002·200 cites·37 claims
- 0295US9850391B2Ink, ink stored container, inkjet printing method, and inkjet printing deviceFUKUOKA MASAYUKI·Filed 2016·Granted Dec 26, 2017·8 cites·15 claims
- 0394US8998400B2Copolymer, aqueous ink, and ink cartridgeHARADA SHIGEYUKI·Filed 2014·Granted Apr 7, 2015·9 cites·8 claims
- 0494US6816146B2Electrophoretic display liquid and electrophoretic display medium and device using the liquid having predetermined different volume medium particle diametersRICOH KK·Filed 2000·Granted Nov 9, 2004·58 cites·41 claims
- 0593US6693621B1Electrophoretic display method, display medium, liquid and particle for display medium, display apparatus, and reversible display materialRICOH KK·Filed 2000·Granted Feb 17, 2004·56 cites·43 claims
- 0689US10233341B2Ink, method of manufacturing ink, and ink cartridgeKOIZUKA YUUSUKE·Filed 2016·Granted Mar 19, 2019·2 cites·6 claims
- 0788US9353274B1Ink, ink cartridge, inkjet recording device, and copolymerKATOH KEITA·Filed 2015·Granted May 31, 2016·2 cites·10 claims
- 0888US4823121AElectroluminescent panel driving system for driving the panel's electrodes only when non-blank data is present to conserve powerSHARP KK·Filed 1986·Granted Apr 18, 1989·67 cites·14 claims
- 0985US9217089B2Ink for inkjet recordingNAGAI KAZUKIYO·Filed 2014·Granted Dec 22, 2015·8 cites·18 claims
- 1084US7758932B2Liquid crystal display device and display apparatusRICOH KK·Filed 2008·Granted Jul 20, 2010·8 cites·4 claims
- 1182US5248543AThermal image transfer sheet and thermal image transfer recording medium for use with clothingRICOH KK·Filed 1991·Granted Sep 28, 1993·32 cites·5 claims
- 1279US6621228B2EL display apparatusSHARP KK·Filed 2001·Granted Sep 16, 2003·21 cites·19 claims
- 1377US10844235B2Ink, method of manufacturing ink, and ink cartridgeRICOH CO LTD·Filed 2019·Granted Nov 24, 2020·0 cites·20 claims
- 1477US9777091B2Copolymer, ink, and ink containerFUKUOKA MASAYUKI·Filed 2015·Granted Oct 3, 2017·1 cites·18 claims
- 1576US9263682B2Light emitting device and display unitHARADA SHIGEYUKI·Filed 2011·Granted Feb 16, 2016·3 cites·6 claims
- 1676US5328754AThermosensitive image transfer ink sheetRICOH KK·Filed 1993·Granted Jul 12, 1994·40 cites·15 claims
- 1776US4864182ADriving circuit for thin film EL display deviceSHARP KK·Filed 1988·Granted Sep 5, 1989·36 cites·17 claims
- 1871US4888523ADriving circuit of thin membrane EL display apparatusSHARP KK·Filed 1989·Granted Dec 19, 1989·31 cites·17 claims
- 1971US4866348ADrive system for a thin-film el panelSHARP KK·Filed 1987·Granted Sep 12, 1989·30 cites·15 claims
- 2068US7658979B2Liquid crystal alignment film composition, liquid crystal device and display apparatusRICOH KK·Filed 2008·Granted Feb 9, 2010·2 cites·5 claims
- 2167US6136751AReversible thermosensitive recording medium, and image forming and erasing methodRICOH KK·Filed 1999·Granted Oct 24, 2000·17 cites·60 claims
- 2267US4686426AThin-film EL display panel drive circuit with voltage compensationSHARP KK·Filed 1985·Granted Aug 11, 1987·22 cites·6 claims
- 2366US12497530B2Active energy ray polymerization initiator, active energy ray curing composition, active energy ray curing ink, aqueous active energy ray curing ink, container, image forming device, image forming method, and method of manufacturing active energy ray polymerization initiatorHARADA SHIGEYUKI·Filed 2022·Granted Dec 16, 2025·0 cites·9 claims
- 2465US11661523B2Ink, ink accommodating unit, recording method, recording device, and method of manufacturing inkRICOH CO LTD·Filed 2020·Granted May 30, 2023·0 cites·18 claims
- 2565US11639064B2Image forming methodSAIGA TAKUYA·Filed 2021·Granted May 2, 2023·0 cites·11 claims
- 2665US8765903B2Carbazole polymer and method of manufacturing sameSASAKI MASAOMI·Filed 2011·Granted Jul 1, 2014·2 cites·4 claims
- 2764US5409884AThermal image transfer recording mediumRICOH KK·Filed 1994·Granted Apr 25, 1995·12 cites·8 claims
- 2863US11414557B2Active-energy-ray-polymerizable initiator, active-energy-ray-polymerizable composition, active-energy-ray-polymerizable ink, ink storage container, image forming method, and image forming apparatusRICOH CO LTD·Filed 2020·Granted Aug 16, 2022·0 cites·9 claims
- 2963US9206202B2Carbazole derivative and semiconductor nanocrystalHARADA SHIGEYUKI·Filed 2012·Granted Dec 8, 2015·1 cites·4 claims
- 3062US11193029B2Ink, ink accommodating container, recording device, recording method, and recorded matterRICOH CO LTD·Filed 2020·Granted Dec 7, 2021·0 cites·9 claims
- 3162US5260139AThermal image transfer recording mediumRICOH KK·Filed 1990·Granted Nov 9, 1993·11 cites·16 claims
- 3262US2024327661A1Polymer, copolymer, ink, ink container, image forming method, image forming device, and backsheet for solar cellHARADA SHIGEYUKI·Filed 2024·Application pending·0 cites
- 3361US10633549B2Ink, ink accommodating container, image forming method, and image forming deviceHARADA SHIGEYUKI·Filed 2018·Granted Apr 28, 2020·0 cites·11 claims
- 3459US9422437B2Copolymer, aqueous ink, and ink cartridgeHARADA SHIGEYUKI·Filed 2015·Granted Aug 23, 2016·0 cites·7 claims
- 3558US9365670B2Copolymer, aqueous ink, and ink cartridgeHARADA SHIGEYUKI·Filed 2015·Granted Jun 14, 2016·0 cites·8 claims
- 3658US5352527AThermal image transfer recording mediumRICOH KK·Filed 1992·Granted Oct 4, 1994·9 cites·31 claims
- 3757US10807377B2Ink, ink cartridge, image forming method, and printed matterYAMAZAKI TAKUYA·Filed 2019·Granted Oct 20, 2020·0 cites·19 claims
- 3857US9896530B2Copolymer, coloring material dispersion, ink, and ink store containerHARADA SHIGEYUKI·Filed 2016·Granted Feb 20, 2018·0 cites·10 claims
- 3957US9416284B2Copolymer, aqueous ink, and ink cartridgeHARADA SHIGEYUKI·Filed 2015·Granted Aug 16, 2016·0 cites·7 claims
- 4057US6913709B2Liquid crystalline gel composition, and display medium, display device and display body using sameRICOH KK·Filed 2003·Granted Jul 5, 2005·6 cites·26 claims
- 4157US2023242689A1Polymer, copolymer, ink, ink container, image forming method, image forming device, and backsheet for solar cellHARADA SHIGEYUKI·Filed 2023·Application pending·0 cites
- 4255US10370548B2Copolymer, ink including copolymer, and ink-stored containerHARADA SHIGEYUKI·Filed 2017·Granted Aug 6, 2019·0 cites·8 claims
- 4355US9850335B2Copolymer, aqueous ink, and ink cartridgeRICOH CO LTD·Filed 2015·Granted Dec 26, 2017·0 cites·13 claims
- 4455US9117618B2Ion generating apparatusSHARP KK·Filed 2013·Granted Aug 25, 2015·1 cites·7 claims
- 4555US4983885AThin film EL display panel drive circuitSHARP KK·Filed 1988·Granted Jan 8, 1991·13 cites·13 claims
- 4651US10280321B2Ink, ink container, inkjet recording device, and recorded matterMATSUYAMA AKIHIKO·Filed 2016·Granted May 7, 2019·0 cites·19 claims
- 4751US10035869B2Copolymer, aqueous ink, and ink cartridgeHARADA SHIGEYUKI·Filed 2016·Granted Jul 31, 2018·0 cites·10 claims
- 4850US5780387AReversible thermosensitive recording mediumRICOH KK·Filed 1996·Granted Jul 14, 1998·8 cites·18 claims
- 4950US5206631AMethod and apparatus for driving a capacitive flat matrix display panelSHARP KK·Filed 1991·Granted Apr 27, 1993·15 cites·17 claims
- 5049US10000656B2Ink, recorded matter, ink container, recording device, and recording methodYANAGAWA YOSHIKI·Filed 2016·Granted Jun 19, 2018·0 cites·10 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
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