Inventor · disambiguated record
Hidekazu Kohira
Also filed as: KOHIRA HIDEKAZU
42 granted patents·4 pending applications·547 citations·filing 1993–2011
98Inventor score
Top patents by PatentIndex Score
46 records- 0196US7729088B2Magnetic disk apparatus with heating device and magnetic head slider used thereforHITACHI GLOBAL STORAGE TECH·Filed 2009·Granted Jun 1, 2010·24 cites·5 claims
- 0296US6556381B2Magnetic disk device and magnetic head sliderHITACHI LTD·Filed 2001·Granted Apr 29, 2003·46 cites·6 claims
- 0395US7679863B2Magnetic head slider with trailing rail surface for flying height controlHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Mar 16, 2010·25 cites·23 claims
- 0494US7558022B2Magnetic disk apparatus with heating device and magnetic head slider used thereforHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jul 7, 2009·17 cites·11 claims
- 0593US7525765B2Thermal assist head sliderHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Apr 28, 2009·16 cites·13 claims
- 0693US7095587B2Magnetic head slider and magnet disk apparatusHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Aug 22, 2006·41 cites·14 claims
- 0792US6690543B2Magnetic disk drive with air bearing surface pad on movable portion and method of controllingHITACHI LTD·Filed 2001·Granted Feb 10, 2004·37 cites·7 claims
- 0892US5519552ARotary disk storage unit and head suspension thereforHITACHI LTD·Filed 1994·Granted May 21, 1996·54 cites·21 claims
- 0991US7787216B2Magnetic head slider and disk drive with reduced damage to recording mediumHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Aug 31, 2010·11 cites·26 claims
- 1090US7164556B2Magnetic disk device and magnetic head sliderHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jan 16, 2007·7 cites·6 claims
- 1189US5430591ANegative pressure flying head slider having siderails with narrow width portionHITACHI LTD·Filed 1993·Granted Jul 4, 1995·54 cites·33 claims
- 1287US8125728B2Disk drive, head-slider and method for controlling clearance of a read element and a write element in the disk driveKURITA MASAYUKI·Filed 2009·Granted Feb 28, 2012·8 cites·19 claims
- 1387US8116037B2Disk drive including head-slider configured to suppress lubricant droplet accumulationKOHIRA HIDEKAZU·Filed 2009·Granted Feb 14, 2012·15 cites·13 claims
- 1485US6657820B2Magnetic head sliderHITACHI LTD·Filed 2002·Granted Dec 2, 2003·20 cites·20 claims
- 1582US6493179B2Magnetic head gimbal assembly and magnetic disk unitHITACHI LTD·Filed 2001·Granted Dec 10, 2002·11 cites·8 claims
- 1680US6628480B2Magnetic head slider having optimized ratio of negative pressure recess to front step bearingHITACHI LTD·Filed 1999·Granted Sep 30, 2003·27 cites·12 claims
- 1779US6744600B2Magnetic disk device and magnetic head sliderHITACHI LTD·Filed 2003·Granted Jun 1, 2004·8 cites·8 claims
- 1877US6934123B2Magnetic disk device and magnetic head sliderHITACHI LTD·Filed 2004·Granted Aug 23, 2005·7 cites·10 claims
- 1977US6445544B2Magnetic head gimbal assembly and magnetic disk unitHITACHI LTD·Filed 2001·Granted Sep 3, 2002·8 cites·14 claims
- 2075US7362544B2Thin film magnetic head slider, magnetic head support mechanism, magnetic disk drive, and method of manufacturing magnetic headHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Apr 22, 2008·10 cites·16 claims
- 2173US6157519AMagnetic head gimbal assembly of a magnetic disk unit having a load point matched with the center of impactHITACHI LTD·Filed 1996·Granted Dec 5, 2000·25 cites·12 claims
- 2272US7061722B2Magnetic head gimbal assembly and magnetic disk unitHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Jun 13, 2006·6 cites·1 claims
- 2372US6760193B1Magnetic head gimbal assembly and magnetic disk unitHITACHI GLOBAL STORAGE TECH·Filed 2000·Granted Jul 6, 2004·6 cites·21 claims
- 2471US8218266B2Head sliderSHIMIZU YUKI·Filed 2007·Granted Jul 10, 2012·2 cites·7 claims
- 2569US7817378B2Slider air bearing with asymetric side railHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Oct 19, 2010·1 cites·15 claims
- 2669US6744598B2Magnetic disk device and magnetic head sliderHITACHI LTD·Filed 2003·Granted Jun 1, 2004·4 cites·10 claims
- 2768US7542238B2Aerodynamic magnetic head slider and magnetic disk driveHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jun 2, 2009·1 cites·18 claims
- 2867US6795275B2Magnetic disk device and magnetic head sliderHITACHI LTD·Filed 2002·Granted Sep 21, 2004·6 cites·6 claims
- 2966US8526139B2Magnetic head and magnetic disk drive including an electrothermal bodyMIYAKE KOJI·Filed 2007·Granted Sep 3, 2013·1 cites·5 claims
- 3066US8184402B2Magnetic disk drive slider having a trailing edge extended rear surfaceOOKUBO SATORU·Filed 2009·Granted May 22, 2012·2 cites·17 claims
- 3164US7042678B2Magnetic head slider and magnetic disc unitHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted May 9, 2006·5 cites·5 claims
- 3261US7038883B2Magnetic head slider, support therefor and magnetic disk unitHITACHI GOLBAL STORAGE TECHNOL·Filed 2003·Granted May 2, 2006·6 cites·12 claims
- 3360US5862017ARotary disk storage unit and head suspension thereforHITACHI LTD·Filed 1997·Granted Jan 19, 1999·12 cites·4 claims
- 3458US7085103B2Magnetic head slider with side pads which each have a width W and a length L, wherein W>LHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Aug 1, 2006·2 cites·1 claims
- 3556US7738215B2Magnetic head slider having spherical of ellipsoidal projection formed thereonHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Jun 15, 2010·0 cites·13 claims
- 3655US6842309B2Magnetic head slider having optimized ratio of negative pressure bearing to a front or center step bearingHITACHI LTD·Filed 2003·Granted Jan 11, 2005·2 cites·15 claims
- 3755US5973880ANegative pressure flying head slider having improved side rails constructionHITACHI LTD·Filed 1997·Granted Oct 26, 1999·12 cites·21 claims
- 3850US7626786B2Compact magnetic head slider with reduced bearing surfacesHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Dec 1, 2009·0 cites·18 claims
- 3948US7580224B2Magnetic head slider with reduced bearing surface area and magnetic disk driveHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Aug 25, 2009·0 cites·16 claims
- 4048US2008192379A1Manufacturing method for magnetic disk driveKURITA MASAYUKI·Filed 2008·Application pending·0 cites
- 4145US6181524B1Magnetic disk apparatus with slider and slider supporting mechanism including flexible section integrally formed from same materialHITACHI LTD·Filed 1995·Granted Jan 30, 2001·8 cites·28 claims
- 4245US2007025023A1Magnetic head slider with suppressed flying height reduction and magnetic hard disk driveHITACHI GLOBAL STORAGE TECH·Filed 2005·Application pending·0 cites
- 4345US2008158724A1Slider air bearing for mobile drivesDORIUS LEE K·Filed 2006·Application pending·0 cites
- 4441US8767338B2Magnetic head slider and magnetic disk driveSHIRAMATSU TOSHIYA·Filed 2010·Granted Jul 1, 2014·0 cites·15 claims
- 4535US2011122532A1Write hole of a head slider in a hard disk driveBOLASNA SANFORD A·Filed 2011·Application pending·0 cites
- 4626US5457545AFacsimile apparatus and image signal display method and image signal recording methodHITACHI LTD·Filed 1993·Granted Oct 10, 1995·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →