Inventor · disambiguated record
Kenji Okada
Also filed as: OKADA KENJI · OKADA KENJI H
115 granted patents·31 pending applications·1,383 citations·filing 1977–2025
99Inventor score
Files withFUJIKURA LTD30MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20OKADA KENJI10PANASONIC IP MAN CO LTD9HITACHI GLOBAL STORAGE TECH8
Top patents by PatentIndex Score
146 records- 0195US5739544AQuantization functional device utilizing a resonance tunneling effect and method for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Apr 14, 1998·139 cites·18 claims
- 0293US7372653B2Degauss waveform generator for perpendicular recording write headHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted May 13, 2008·15 cites·20 claims
- 0393US7342735B2Method of writing patterns onto a recording disk, and data storage deviceHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Mar 11, 2008·17 cites·17 claims
- 0492US5543351AMethod of producing electrically insulated silicon structureMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Aug 6, 1996·86 cites·16 claims
- 0591US10745314B2Method of manufacturing optical fiber, optical fiber manufacturing apparatus, and control apparatus thereforFUJIKURA LTD·Filed 2018·Granted Aug 18, 2020·2 cites·4 claims
- 0689US10023490B2Method of manufacturing optical fiber, optical fiber manufacturing apparatus, and control apparatus thereforFUJIKURA LTD·Filed 2016·Granted Jul 17, 2018·2 cites·4 claims
- 0789US9878935B2Manufacturing method, control device, and manufacturing apparatus of optical fiberFUJIKURA LTD·Filed 2016·Granted Jan 30, 2018·2 cites·4 claims
- 0888US7489463B2Method of writing patterns using head with correct phases, and data storage deviceHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Feb 10, 2009·8 cites·27 claims
- 0988US6831809B2Rotary recording apparatus and method of controlling the apparatusIBM·Filed 2002·Granted Dec 14, 2004·26 cites·19 claims
- 1086US7781494B2Active energy curing type composition for in-place shaping gasket and in-place shaped gasketKANEKA CORP·Filed 2005·Granted Aug 24, 2010·8 cites·38 claims
- 1186US6189110B1Disk device and data reassignment methodIBM·Filed 1997·Granted Feb 13, 2001·52 cites·20 claims
- 1285US10570051B2Control device, and manufacturing apparatus of optical fiberFUJIKURA LTD·Filed 2017·Granted Feb 25, 2020·2 cites·6 claims
- 1384US9096464B2Method and apparatus for manufacturing optical fiberFUJIKURA LTD·Filed 2012·Granted Aug 4, 2015·6 cites·5 claims
- 1484US6633177B1Method of predicting lifetime of semiconductor integrated circuit and method for reliability testing of the circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 14, 2003·31 cites·7 claims
- 1583US6574065B1Method and apparatus for adaptive resonance mode cancellation servo in a rotating storage systemIBM·Filed 1999·Granted Jun 3, 2003·39 cites·33 claims
- 1682US7620740B2Storage devices and method of transferring file between the devicesHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Nov 17, 2009·5 cites·15 claims
- 1782US6530034B1Method and apparatus for error recovery in a storage deviceIBM·Filed 1999·Granted Mar 4, 2003·36 cites·9 claims
- 1881US5347140AResonant electron transfer deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Sep 13, 1994·51 cites·6 claims
- 1981US2024243623A1Electric tool and motorPANASONIC IP MAN CO LTD·Filed 2024·Application pending·0 cites
- 2080US8631669B2Optical fiber manufacturing apparatus and optical fiber manufacturing methodOKADA KENJI·Filed 2011·Granted Jan 21, 2014·3 cites·5 claims
- 2180US6525544B1Method for predicting lifetime of insulating film and method for reliability testing of semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Feb 25, 2003·24 cites·16 claims
- 2279US7781495B2Composition curable by radical photo curing and cationic photo curing in combinationKANEKA CORP·Filed 2005·Granted Aug 24, 2010·4 cites·23 claims
- 2379US7446967B2Method of measuring head characteristics of a data storage device, and data storage deviceHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Nov 4, 2008·4 cites·14 claims
- 2478US10016951B2Method of manufacturing optical fiber, optical fiber manufacturing apparatus, and control apparatus thereforFUJIKURA LTD·Filed 2016·Granted Jul 10, 2018·1 cites·4 claims
- 2578US6597530B2Method and apparatus for disk drive seek controlIBM·Filed 2001·Granted Jul 22, 2003·11 cites·12 claims
- 2678US5975764ARolling contact bearing and mounting thereforNTN TOYO BEARING CO LTD·Filed 1998·Granted Nov 2, 1999·37 cites·9 claims
- 2777US6901704B2Vehicle rear gate opening and closing apparatusFUJI HEAVY IND LTD·Filed 2001·Granted Jun 7, 2005·28 cites·14 claims
- 2876US11540602B2Hybrid frame sleeve caseINCASE DESIGNS CORP·Filed 2020·Granted Jan 3, 2023·1 cites·14 claims
- 2976US9321670B2Optical fiber preform and method of manufacturing optical fiber using optical fiber preformFUJIKURA LTD·Filed 2012·Granted Apr 26, 2016·2 cites·1 claims
- 3076US7079337B2Bi staple flying height detection by BEMF control profile and data integrity problem protectionHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Jul 18, 2006·12 cites·20 claims
- 3175US10824202B2Hybrid frame power sleeve caseINCASE DESIGNS CORP·Filed 2019·Granted Nov 3, 2020·3 cites·20 claims
- 3275US6326792B1Method and apparatus for lifetime prediction of dielectric breakdownMATSUSHITA ELECTRONICS CORP·Filed 1998·Granted Dec 4, 2001·36 cites·14 claims
- 3375US5244828AMethod of fabricating a quantum deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Sep 14, 1993·59 cites·20 claims
- 3474US9404912B2Analysis device driving apparatusPANASONIC CORP·Filed 2014·Granted Aug 2, 2016·2 cites·2 claims
- 3574US8857221B2Optical fiber and method and apparatus for manufacturing optical fiberOKADA KENJI·Filed 2012·Granted Oct 14, 2014·2 cites·2 claims
- 3674US7426088B2Magnetic disk drive with function assignment and manufacturing method thereforHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Sep 16, 2008·2 cites·20 claims
- 3773US8015847B2Optical fiber manufacturing, cooling and coating methodFUJIKURA LTD·Filed 2009·Granted Sep 13, 2011·3 cites·8 claims
- 3873US5391921ASemiconductor device having multi-level wiringNEC CORP·Filed 1993·Granted Feb 21, 1995·51 cites·8 claims
- 3973US5296719AQuantum device and fabrication method thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Mar 22, 1994·51 cites·9 claims
- 4071US10202301B2Apparatus for manufacturing an optical fiberFUJIKURA LTD·Filed 2017·Granted Feb 12, 2019·1 cites·6 claims
- 4171US7658086B2Drawing method for bare optical fiber with suppressed hydrogen diffusionFUJIKURA LTD·Filed 2006·Granted Feb 9, 2010·1 cites·8 claims
- 4271US6682823B2Curable composition for polymer electrolyteKANEKA CORP·Filed 2001·Granted Jan 27, 2004·9 cites·24 claims
- 4371US5528407ATransceiver module for optical communicationROHM CO LTD·Filed 1994·Granted Jun 18, 1996·33 cites·21 claims
- 4470US8843272B2Vehicle driving support device and vehicle driving support methodMAZDA MOTOR·Filed 2013·Granted Sep 23, 2014·5 cites·33 claims
- 4570US8588573B2Method for manufacturing optical fiber and optical fiberOKADA KENJI·Filed 2011·Granted Nov 19, 2013·1 cites·13 claims
- 4670US6937422B2Self-monitoring and self-healing of frequency specific position errors in a data storage deviceHITACHI GLOBAL TECH NL BV·Filed 2002·Granted Aug 30, 2005·7 cites·58 claims
- 4770US5612227ALiquid boundary detecting method and apparatus and liquid removing method and apparatusSONY CORP·Filed 1995·Granted Mar 18, 1997·33 cites·16 claims
- 4869US7966846B2Optical fiber drawing and twisting apparatusFUJIKURA LTD·Filed 2009·Granted Jun 28, 2011·0 cites·6 claims
- 4968US9650283B2Method of manufacturing optical fiber and apparatus of manufacturing the sameFUJIKURA LTD·Filed 2015·Granted May 16, 2017·1 cites·10 claims
- 5068US5486706AQuantization functional device utilizing a resonance tunneling effect and method for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jan 23, 1996·21 cites·11 claims
Showing the top 50 of 146 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →