Inventor · disambiguated record
Yoshihiro Ikeda
Also filed as: IKEDA YOSHIHIRO
105 granted patents·32 pending applications·1,102 citations·filing 1981–2025
99Inventor score
Files withRENESAS TECH CORP18TOSHIBA KK11HITACHI GLOBAL STORAGE TECH10HITACHI LTD10TOSHIBA MEDICAL SYS CORP9
Top patents by PatentIndex Score
137 records- 0199US6468670B1Magnetic recording disk with composite perpendicular recording layerIBM·Filed 2000·Granted Oct 22, 2002·184 cites·19 claims
- 0296US10283566B2Three-dimensional memory device with through-stack contact via structures and method of making thereofSANDISK TECHNOLOGIES LLC·Filed 2017·Granted May 7, 2019·21 cites·13 claims
- 0394US7301815B2Semiconductor memory device comprising controllable threshould voltage dummy memory cellsRENESAS TECH CORP·Filed 2005·Granted Nov 27, 2007·33 cites·21 claims
- 0492US7550210B2Perpendicular magnetic recording medium with multiple exchange-coupled magnetic layers having substantially similar anisotropy fieldsHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jun 23, 2009·16 cites·16 claims
- 0591US8202636B2Magnetic recording capping layer with multiple layers for controlling anisotropy for perpendicular recording mediaCHOE GUNN·Filed 2008·Granted Jun 19, 2012·17 cites·16 claims
- 0691US7998607B2Partially-oxidized cap layer for hard disk drive magnetic mediaHITACHI GLOBAL STORAGE TECH NL·Filed 2009·Granted Aug 16, 2011·10 cites·28 claims
- 0789US8168310B2Perpendicular magnetic recording media with oxide-containing exchange coupling layerBIAN XIAOPING·Filed 2009·Granted May 1, 2012·10 cites·14 claims
- 0888US7532432B2Perpendicular magnetic recording system with medium having thin soft underlayer and recording head having thick-throat trailing shieldHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted May 12, 2009·9 cites·21 claims
- 0987US7145982B2X-ray CT apparatus and method of calculating blood-flow informationTOSHIBA KK·Filed 2005·Granted Dec 5, 2006·40 cites·14 claims
- 1087US4425255ARegeneration method of catalystsMITSUI TOATSU CHEMICALS·Filed 1981·Granted Jan 10, 1984·47 cites·12 claims
- 1185US7912269B2Medical image processing apparatus and method of processing medical imageTOSHIBA KK·Filed 2005·Granted Mar 22, 2011·20 cites·17 claims
- 1284US7632580B2Perpendicular magnetic recording medium having an interlayer of a non-magnetic nickel alloyHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Dec 15, 2009·6 cites·19 claims
- 1384US7524570B2Perpendicular magnetic recording system and medium with high-moment corrosion-resistant “soft” underlayer (SUL)HITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Apr 28, 2009·5 cites·17 claims
- 1484US7482071B2Perpendicular magnetic recording disk with improved recording layer having high oxygen contentHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jan 27, 2009·6 cites·5 claims
- 1584US7015090B2Method of manufacturing a semiconductor device having trenches for isolation and capacitor formation trenchesRENESAS TECH CORP·Filed 2003·Granted Mar 21, 2006·30 cites·38 claims
- 1684US6835475B2Dual-layer perpendicular magnetic recording media with laminated underlayer formed with antiferromagnetically coupled filmsHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted Dec 28, 2004·55 cites·22 claims
- 1783US7312123B2Semiconductor device and a method of manufacturing the sameRENESAS TECH CORP·Filed 2005·Granted Dec 25, 2007·6 cites·21 claims
- 1883US5202275ASemiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the sameHITACHI LTD·Filed 1990·Granted Apr 13, 1993·43 cites·23 claims
- 1982US7411242B2Miniaturized virtual grounding nonvolatile semiconductor memory device and manufacturing method thereofRENESAS TECH CORP·Filed 2005·Granted Aug 12, 2008·9 cites·9 claims
- 2081US7485680B2Process for producing rubbery polymer particle and process for producing resin composition containing the sameKANEKA CORP·Filed 2004·Granted Feb 3, 2009·20 cites·15 claims
- 2180US9129638B1High performance perpendicular magnetic granular media consisting of multiple exchange control layersHGST Netherlands BV·Filed 2015·Granted Sep 8, 2015·5 cites·20 claims
- 2280US8553955B2Image processing apparatus, X-ray computed tomography apparatus, and image processing methodARAKITA KAZUMASA·Filed 2011·Granted Oct 8, 2013·6 cites·18 claims
- 2380US7064380B2Semiconductor device and a method of manufacturing the sameRENESAS TECH CORP·Filed 2004·Granted Jun 20, 2006·15 cites·27 claims
- 2480US7015540B2Semiconductor memory deviceRENESAS TECH CORP·Filed 2003·Granted Mar 21, 2006·23 cites·6 claims
- 2579US8466507B2Semiconductor device and a method of manufacturing the sameFUKUMURA TATSUYA·Filed 2011·Granted Jun 18, 2013·3 cites·6 claims
- 2679US5780882ASemiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the sameHITACHI LTD·Filed 1995·Granted Jul 14, 1998·33 cites·8 claims
- 2778US5098669AStirring reactor for viscous materialsKANEGAFUCHI CHEMICAL IND·Filed 1990·Granted Mar 24, 1992·42 cites·7 claims
- 2877US9501709B2Medical image processing apparatusTOSHIBA MEDICAL SYS CORP·Filed 2013·Granted Nov 22, 2016·4 cites·12 claims
- 2976US6731187B2Dual mode piezoelectric filter with a relay electrode on the casing substrateMURATA MANUFACTURING CO·Filed 2002·Granted May 4, 2004·20 cites·20 claims
- 3076US6548847B2Semiconductor integrated circuit device having a first wiring strip exposed through a connecting hole, a transition-metal film in the connecting hole and an aluminum wiring strip thereover, and a transition-metal nitride film between the aluminum wiring strip and the transition-metal filmHITACHI LTD·Filed 2001·Granted Apr 15, 2003·12 cites·33 claims
- 3175US9552837B2Vertically and horizontally weakly coupled perpendicular small grain mediaHGST Netherlands BV·Filed 2013·Granted Jan 24, 2017·3 cites·21 claims
- 3275US8212305B2Semiconductor device with improved insulating film and floating gate arrangement to decrease memory cell size without reduction of capacitanceFUKUMURA TATSUYA·Filed 2009·Granted Jul 3, 2012·3 cites·7 claims
- 3375US7964297B2Adhesion layer for thin film magnetic recording mediumHITACHI GLOBAL STORAGE TECH NL·Filed 2009·Granted Jun 21, 2011·2 cites·16 claims
- 3474US7862913B2Oxide magnetic recording layers for perpendicular recording mediaHITACHI GLOBAL STORAGE TECH NL·Filed 2006·Granted Jan 4, 2011·2 cites·12 claims
- 3574US7826885B2Method and apparatus for calculating index concerning local blood flow circulationsTOSHIBA KK·Filed 2007·Granted Nov 2, 2010·9 cites·7 claims
- 3674US7597810B2Process for production of suspensions, solutions, or dispersionsKANEKA CORP·Filed 2005·Granted Oct 6, 2009·3 cites·2 claims
- 3774US7211497B2Method for fabricating semiconductor devicesRENESAS TECH CORP·Filed 2003·Granted May 1, 2007·13 cites·18 claims
- 3873US7651794B2Adhesion layer for thin film magnetic recording mediumHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jan 26, 2010·2 cites·20 claims
- 3973US6537638B2Magnetic recording disk with perpendicular magnetic recording layer and multilayered underlayer structureIBM·Filed 2000·Granted Mar 25, 2003·29 cites·9 claims
- 4073US5331191ASemiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the sameHITACHI LTD·Filed 1992·Granted Jul 19, 1994·24 cites·11 claims
- 4172US10736514B2Stage determination support systemTOSHIBA MEDICAL SYS CORP·Filed 2014·Granted Aug 11, 2020·5 cites·11 claims
- 4272US7449747B2Semiconductor memory deviceRENESAS TECH CORP·Filed 2005·Granted Nov 11, 2008·4 cites·9 claims
- 4372US2023387392A1Electrode for non-aqueous electrolyte secondary batteryNISSAN MOTOR·Filed 2023·Application pending·0 cites
- 4472US2025182786A1Magnetic recording media with metal-doped capping layerWESTERN DIGITAL TECH INC·Filed 2025·Application pending·0 cites
- 4571US6950640B2FM detector circuitMURATA MANUFACTURING CO·Filed 2003·Granted Sep 27, 2005·12 cites·20 claims
- 4670US10736583B2Medical image processing apparatus and X-ray CT apparatusCANON MEDICAL SYSTEMS CORP·Filed 2018·Granted Aug 11, 2020·1 cites·20 claims
- 4770US8545642B2Iron and steel material having quenched surface layer part, method for producing the iron and steel material, and quenched componentFUKAZAWA KENGO·Filed 2009·Granted Oct 1, 2013·3 cites·2 claims
- 4869US8718347B2Image display apparatus and X-ray diagnosis apparatusICHIHARA TAKASHI·Filed 2010·Granted May 6, 2014·4 cites·30 claims
- 4969US7054406B2X-ray CT apparatus and method of measuring CT valuesTOSHIBA KK·Filed 2003·Granted May 30, 2006·38 cites·9 claims
- 5067US11380901B2Resin current collector, multilayer current collector and lithium ion batteryNISSAN MOTOR·Filed 2018·Granted Jul 5, 2022·0 cites·9 claims
Showing the top 50 of 137 patent records by PatentIndex Score.
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