Inventor · disambiguated record
Keisuke Hayashi
Also filed as: HAYASHI KEISUKE
46 granted patents·8 pending applications·1,116 citations·filing 1990–2024
98Inventor score
Top patents by PatentIndex Score
54 records- 0197US6472684B1Nonvolatile memory and manufacturing method thereofSEMICONDUCTOR ENERGY LAB·Filed 1998·Granted Oct 29, 2002·157 cites·35 claims
- 0295US6753854B1Display deviceSEMICONDUCTOR ENERGY LAB·Filed 2000·Granted Jun 22, 2004·75 cites·36 claims
- 0395US6597348B1Information-processing deviceSEMICONDUCTOR ENERGY LAB·Filed 1999·Granted Jul 22, 2003·248 cites·40 claims
- 0495US6509602B2Nonvolatile memory and manufacturing method thereofSEMICONDUCTOR ENERGY LAB·Filed 2001·Granted Jan 21, 2003·65 cites·30 claims
- 0594US7158098B2Portable information processing systemSEMICONDUCTOR ENERGY LAB·Filed 2005·Granted Jan 2, 2007·13 cites·24 claims
- 0692US9067427B2Liquid discharge head and image forming apparatusHAYASHI KEISUKE·Filed 2013·Granted Jun 30, 2015·8 cites·8 claims
- 0791US6573952B1Goggle type display deviceSEMICONDUCTOR ENERGY LAB·Filed 2000·Granted Jun 3, 2003·47 cites·25 claims
- 0890US6756640B2Nonvolatile memory and manufacturing method thereofSEMICONDUCTOR ENERGY LAB·Filed 2002·Granted Jun 29, 2004·34 cites·25 claims
- 0989US9201244B2Goggle type display systemSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Dec 1, 2015·5 cites·15 claims
- 1089US7697052B1Electronic view finder utilizing an organic electroluminescence displaySEMICONDUCTOR ENERGY LAB·Filed 2000·Granted Apr 13, 2010·62 cites·20 claims
- 1189US7368338B2Nonvolatile memory and manufacturing method thereofSEMICONDUCTOR ENERGY LAB·Filed 2006·Granted May 6, 2008·10 cites·9 claims
- 1289US6590581B1Display deviceSEMICONDUCTOR ENERGY LAB·Filed 2000·Granted Jul 8, 2003·39 cites·72 claims
- 1389US6555422B1Thin film transistor and method of manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 1999·Granted Apr 29, 2003·76 cites·60 claims
- 1487US8888260B2Liquid-jet head and image forming apparatusHAYASHI KEISUKE·Filed 2013·Granted Nov 18, 2014·5 cites·9 claims
- 1584US7651205B2Liquid discharging head using piezoelectric actuator and image forming apparatus using the liquid discharging headRICOH KK·Filed 2007·Granted Jan 26, 2010·7 cites·7 claims
- 1684US6515648B1Shift register circuit, driving circuit of display device, and display device using the driving circuitSEMICONDUCTOR ENERGY LAB·Filed 2000·Granted Feb 4, 2003·25 cites·110 claims
- 1783US9242464B1Liquid droplet discharge head, image forming apparatus including same, and method of inspecting liquid droplet discharge headHAYASHI KEISUKE·Filed 2015·Granted Jan 26, 2016·2 cites·6 claims
- 1882US8042918B2Liquid discharging head and image forming apparatus including the liquid discharging headRICOH CO LTD·Filed 2008·Granted Oct 25, 2011·6 cites·11 claims
- 1982US7871153B2Liquid jet head, method of manufacturing liquid jet head, and image forming apparatusRICOH CO LTD·Filed 2007·Granted Jan 18, 2011·6 cites·16 claims
- 2081US7989873B2Nonvolatile memory and manufacturing method thereofSEMICONDUCTOR ENERGY LAB·Filed 2008·Granted Aug 2, 2011·5 cites·12 claims
- 2179US10391770B2Liquid discharge head, liquid discharge unit, and device of discharging liquidHAYASHI KEISUKE·Filed 2018·Granted Aug 27, 2019·1 cites·12 claims
- 2279US9463623B2Liquid ejection head and image forming apparatus incorporating sameTAKAGI DAISUKE·Filed 2014·Granted Oct 11, 2016·3 cites·12 claims
- 2375US11712950B2Vehicle doorHONDA MOTOR CO LTD·Filed 2021·Granted Aug 1, 2023·1 cites·6 claims
- 2475US10436134B2Control device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2018·Granted Oct 8, 2019·1 cites·5 claims
- 2575US7528816B2Shift register circuit, driving circuit of display device, and display device using the driving circuitSEMICONDUCTOR ENERGY LAB·Filed 2006·Granted May 5, 2009·4 cites·24 claims
- 2675US6867752B1Portable information processing systemSEMICONDUCTOR ENERGY LAB·Filed 1999·Granted Mar 15, 2005·61 cites·28 claims
- 2773US10124585B2Liquid discharge head, liquid discharge device, and liquid discharge apparatusMASUDA TOSHIAKI·Filed 2016·Granted Nov 13, 2018·1 cites·9 claims
- 2870US9375923B2Piezoelectric element, liquid droplet discharging head, liquid droplet discharging device, image forming apparatus, and manufacturing method of piezoelectric elementHAYASHI KEISUKE·Filed 2014·Granted Jun 28, 2016·1 cites·14 claims
- 2970US9086567B2Display systemYAMAZAKI SHUNPEI·Filed 2005·Granted Jul 21, 2015·5 cites·14 claims
- 3068US7078769B2Nonvolatile memory and manufacturing method thereofSEMICONDUCTOR ENERGY LAB·Filed 2004·Granted Jul 18, 2006·8 cites·30 claims
- 3164US5184184AImage forming apparatusRICOH KK·Filed 1992·Granted Feb 2, 1993·25 cites·20 claims
- 3263US8926068B2Liquid discharge head, method of manufacturing liquid discharge head, and image forming deviceHAYASHI KEISUKE·Filed 2012·Granted Jan 6, 2015·1 cites·13 claims
- 3363US2023167271A1Additive for organic conductor, method for producing same, organic conductor, and electrolytic capacitorPANASONIC IP MAN CO LTD·Filed 2021·Application pending·0 cites
- 3459US2023278139A1Welding method and laser deviceKATAOKA CORP·Filed 2023·Application pending·0 cites
- 3559US2023347456A1Welding jig and laser processing machineKATAOKA CORP·Filed 2021·Application pending·0 cites
- 3658US6483484B1Goggle type display systemSEMICONDUCTOR ENERGY LAB·Filed 1999·Granted Nov 19, 2002·58 cites·48 claims
- 3754US8872750B2Shift register circuit, driving circuit of display device, and display device using the driving circuitTANAKA YUKIO·Filed 2009·Granted Oct 28, 2014·0 cites·12 claims
- 3854US6856304B1Liquid crystal projectorSEMICONDUCTOR ENERGY LAB·Filed 1999·Granted Feb 15, 2005·20 cites·37 claims
- 3954US6108511AToner collecting and reusing device for use in an image forming apparatus and a method thereofRICOH KK·Filed 1999·Granted Aug 22, 2000·11 cites·34 claims
- 4054US2024157470A1Laser processing deviceKATAOKA CORP·Filed 2024·Application pending·0 cites
- 4151US2022250452A1Opening and closing memberHONDA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 4250US9362478B2Method of producing electromechanical transducer element, electromechanical transducer element, liquid droplet discharge head, and image forming apparatusMASUDA TOSHIAKI·Filed 2014·Granted Jun 7, 2016·0 cites·20 claims
- 4349US8425013B2Piezoelectric actuator, liquid ejection head, and image forming apparatusHAYASHI KEISUKE·Filed 2011·Granted Apr 23, 2013·0 cites·11 claims
- 4448US9033456B2Image forming apparatus, liquid-jet head, and method for manufacturing the liquid-jet headSHIMODA TATSUYA·Filed 2013·Granted May 19, 2015·0 cites·16 claims
- 4548US2022250454A1Rear structure of vehicleHONDA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 4645US8801153B2Liquid drop ejecting head, image forming device, and method of manufacturing liquid drop ejecting headHAYASHI KEISUKE·Filed 2013·Granted Aug 12, 2014·0 cites·8 claims
- 4743US5087299AVibration-proof tungsten wireTOSHIBA KK·Filed 1990·Granted Feb 11, 1992·11 cites·11 claims
- 4843US2018010510A1Control device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2017·Application pending·0 cites
- 4943US2003063044A1Goggle type display systemSEMICONDUCTOR ENERGY LAB·Filed 2002·Application pending·0 cites
- 5042US9033481B2Liquid droplet ejection head, image forming apparatus, and manufacturing method of liquid droplet ejection headKINOKUNI TAKASHI·Filed 2012·Granted May 19, 2015·0 cites·4 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →