Inventor · disambiguated record
Hiroyuki Ikeda
Also filed as: ANDO MORITOSHI · IKEDA HIROYUKI
139 granted patents·29 pending applications·2,716 citations·filing 1974–2024
99Inventor score
Top patents by PatentIndex Score
168 records- 0194US6731446B2Method for forming a magnetic pattern in a magnetic recording medium, method for producing a magnetic recording medium, magnetic pattern forming device, magnetic recording medium and magnetic recording deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 4, 2004·67 cites·60 claims
- 0292US4728186AUneven-surface data detection apparatusFUJITSU LTD·Filed 1986·Granted Mar 1, 1988·142 cites·33 claims
- 0391US9742141B2Laser chamberGIGAPHOTON INC·Filed 2016·Granted Aug 22, 2017·6 cites·6 claims
- 0491US4832464AOptical system with grating lens assembly for correcting wavelength aberrationsFUJITSU LTD·Filed 1987·Granted May 23, 1989·46 cites·45 claims
- 0591US4647143ALight-beam scanning apparatusFUJITSU LTD·Filed 1984·Granted Mar 3, 1987·101 cites·20 claims
- 0689US11346977B2Security sensor deviceOPTEX CO LTD·Filed 2019·Granted May 31, 2022·4 cites·12 claims
- 0789US9036896B2Inspection system and method for inspecting line width and/or positional errors of a patternTOUYA TAKANAO·Filed 2011·Granted May 19, 2015·11 cites·10 claims
- 0889US4924085AUneven-surface data detection apparatusFUJITSU LTD·Filed 1989·Granted May 8, 1990·140 cites·27 claims
- 0988USD417165SInfrared rays sensorOPTEX CO LTD·Filed 1999·Granted Nov 30, 1999·34 cites·1 claims
- 1088US5109428AMinutia data extraction in fingerprint identificationFUJITSU LTD·Filed 1989·Granted Apr 28, 1992·205 cites·4 claims
- 1187US6816330B2Method for forming a magnetic pattern in a magnetic recording medium, magnetic recording medium magnetic recording device and photomaskMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Nov 9, 2004·27 cites·33 claims
- 1287US6727624B2Embedded permanent magnet type induction motor which allows coil embedding work to be easily performedSUMITOMO HEAVY INDUSTRIES·Filed 2002·Granted Apr 27, 2004·45 cites·5 claims
- 1386US6440824B1Method of crystallizing a semiconductor thin film, and method of manufacturing a thin-film semiconductor deviceSONY CORP·Filed 2000·Granted Aug 27, 2002·35 cites·13 claims
- 1485US6150692AThin film semiconductor device for active matrix panelSONY CORP·Filed 1994·Granted Nov 21, 2000·97 cites·12 claims
- 1585USD415442SIntruder detection sensorOPTEX CO LTD·Filed 1999·Granted Oct 19, 1999·28 cites·1 claims
- 1685US5101242AThin film transistorIBM·Filed 1990·Granted Mar 31, 1992·64 cites·5 claims
- 1784US6476416B1Thin-film semiconductor apparatus, display apparatus using such semiconductor apparatus, and method of manufacturing such display apparatusSONY CORP·Filed 2000·Granted Nov 5, 2002·35 cites·37 claims
- 1884US5476169ABill discriminating apparatus for bill handling machineLAUREL BANK MACHINE CO·Filed 1995·Granted Dec 19, 1995·123 cites·12 claims
- 1984US5221631AMethod of fabricating a thin film transistor having a silicon carbide buffer layerIBM·Filed 1991·Granted Jun 22, 1993·61 cites·6 claims
- 2084US5077803ABiological detecting system and fingerprint collating system employing sameFUJITSU LTD·Filed 1989·Granted Dec 31, 1991·162 cites·30 claims
- 2183US6683595B2Liquid crystal display apparatus and driving methodSONY CORP·Filed 2001·Granted Jan 27, 2004·22 cites·6 claims
- 2283US4957336ALaser beam scanner and its fabricating methodFUJITSU LTD·Filed 1988·Granted Sep 18, 1990·51 cites·29 claims
- 2383US4165464ALight scanning systemFUJITSU LTD·Filed 1976·Granted Aug 21, 1979·39 cites·27 claims
- 2481US9406117B2Inspection system and method for inspecting line width and/or positional errors of a patternNUFLARE TECHNOLOGY INC·Filed 2015·Granted Aug 2, 2016·3 cites·6 claims
- 2581US5266788ALaser scanner for bar code reader having a transparent light guide plateFUJITSU LTD·Filed 1990·Granted Nov 30, 1993·73 cites·28 claims
- 2680USD854436SHuman body detectorsOPTEX CO LTD·Filed 2017·Granted Jul 23, 2019·20 cites·1 claims
- 2780US6781779B2Magnetic recording medium, its production method and magnetic recording apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Aug 24, 2004·14 cites·19 claims
- 2880US6744583B2Method for forming a magnetic pattern in a magnetic recording medium, a magnetic pattern forming device, a magnetic recording medium and a magnetic recording deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jun 1, 2004·15 cites·39 claims
- 2979US5992748ATwo-dimensional color code, preparing and restoring method for the code and apparatus thereforRISO KAGAKU CORP·Filed 1997·Granted Nov 30, 1999·59 cites·22 claims
- 3079US4848862ALaser beam scannerFUJITSU LTD·Filed 1987·Granted Jul 18, 1989·44 cites·16 claims
- 3179US4810046ALight beam scanning apparatusFUJITSU LTD·Filed 1987·Granted Mar 7, 1989·40 cites·12 claims
- 3278US9063243B2Object detection deviceOPTEX CO LTD·Filed 2013·Granted Jun 23, 2015·4 cites·9 claims
- 3378US7057597B2Liquid crystal display apparatus and driving methodSONY CORP·Filed 2003·Granted Jun 6, 2006·15 cites·4 claims
- 3477US7073147B2Method of manufacturing a semiconductor deviceRENESAS TECH CORP·Filed 2003·Granted Jul 4, 2006·17 cites·16 claims
- 3577US6317040B1Intruder detecting method and apparatus thereforOPTEX CO LTD·Filed 2000·Granted Nov 13, 2001·31 cites·11 claims
- 3676US6663471B2Method of grinding half toroidal CVT diskNSK LTD·Filed 2001·Granted Dec 16, 2003·16 cites·4 claims
- 3774US11037381B2Vehicle drive train test system and vehicle drive train test methodHORIBA LTD·Filed 2018·Granted Jun 15, 2021·1 cites·6 claims
- 3874US4824191AOptical pickupFUJITSU LTD·Filed 1988·Granted Apr 25, 1989·19 cites·11 claims
- 3973US8853288B2Thermoplastic resin foam, method of producing the same, and light reflecting material using the sameFURUKAWA ELECTRIC CO LTD·Filed 2013·Granted Oct 7, 2014·1 cites·5 claims
- 4073US4639070ABeam scanning type information readout deviceFUJITSU LTD·Filed 1981·Granted Jan 27, 1987·34 cites·3 claims
- 4172US10400498B2Vehicle window glass raising/lowering device, vehicle door, and vehicleMITSUBA CORP·Filed 2015·Granted Sep 3, 2019·4 cites·11 claims
- 4272US4235504AHolographic disk scannerFUJITSU LTD·Filed 1977·Granted Nov 25, 1980·20 cites·17 claims
- 4371US7195477B2Sheet material pressing machinesWAKO MACHINE WORKS CO LTD·Filed 2005·Granted Mar 27, 2007·4 cites·5 claims
- 4471US7076394B2Method and device for inspecting an object using a time delay integration sensorTOSHIBA KK·Filed 2004·Granted Jul 11, 2006·8 cites·20 claims
- 4571US6414314B1Passive-type infrared detector with elongated detection areasOPTEX CO LTD·Filed 2000·Granted Jul 2, 2002·21 cites·12 claims
- 4671US5943180AInformation recording medium and recording/reproducing method for utilizing the sameMITSUBISHI CHEM CORP·Filed 1996·Granted Aug 24, 1999·23 cites·16 claims
- 4771US5291172ANoise absorberKITAGAWA IND CO LTD·Filed 1992·Granted Mar 1, 1994·24 cites·18 claims
- 4869US11513637B2Image projection deviceIKEDA HIROYUKI·Filed 2016·Granted Nov 29, 2022·1 cites·17 claims
- 4968US8835855B2Sighting device and security sensor system utilizing such sighting deviceOPTEX CO LTD·Filed 2012·Granted Sep 16, 2014·2 cites·8 claims
- 5068US7750872B2Method for driving a flat-type display deviceSONY CORP·Filed 2007·Granted Jul 6, 2010·2 cites·13 claims
Showing the top 50 of 168 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Hiroyuki Ikeda files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →