Inventor · disambiguated record
Tomoyoshi Yamada
Also filed as: YAMADA TOMOYOSHI
31 granted patents·1 pending application·888 citations·filing 1982–2017
97Inventor score
Top patents by PatentIndex Score
32 records- 0197US5349486AMagnetic disk storage apparatus having a vibration proof structureFUJITSU LTD·Filed 1992·Granted Sep 20, 1994·114 cites·25 claims
- 0294US6538854B2Actuator using piezoelectric element and head-positioning mechanism using the actuatorFUJITSU LTD·Filed 2001·Granted Mar 25, 2003·59 cites·21 claims
- 0393US6327120B1Actuator using piezoelectric element and head-positioning mechanism using the actuatorFUJITSU LTD·Filed 1998·Granted Dec 4, 2001·97 cites·33 claims
- 0493US4734323AVibration damping soundproof sheets for use in vehiclesTOYODA GOSEI KK·Filed 1987·Granted Mar 29, 1988·111 cites·13 claims
- 0591US6496322B1Head position control for a disk drive which performs recording about the rotational center even if the recorded servo information is eccentricFUJITSU LTD·Filed 2000·Granted Dec 17, 2002·28 cites·12 claims
- 0691US6128153AHead position control for a disk drive which performs recording about the rotational center even if the recorded servo information is eccentricFUJITSU LTD·Filed 1997·Granted Oct 3, 2000·60 cites·22 claims
- 0791US5519270ASpindle motor and disk drive having the sameFUJITSU LTD·Filed 1993·Granted May 21, 1996·80 cites·43 claims
- 0890US5880904ADisk drive having a thickness equal to an IC memory cardFUJITSU LTD·Filed 1995·Granted Mar 9, 1999·56 cites·35 claims
- 0988US5041935ARotary actuator for positioning magnetic heads in a disk driveFUJITSU LTD·Filed 1989·Granted Aug 20, 1991·36 cites·19 claims
- 1086US8848303B1Disk storage apparatus and method for servo demodulationTOSHIBA KK·Filed 2013·Granted Sep 30, 2014·8 cites·18 claims
- 1185US6341051B2Disk drive having external shock resistanceFUJITSU LTD·Filed 2000·Granted Jan 22, 2002·21 cites·12 claims
- 1283US4573693ADust boot with multiple layer construction of bellowsTOYODA GOSEI KK·Filed 1985·Granted Mar 4, 1986·30 cites·5 claims
- 1381US8964325B1Magnetic disk device and method for read/write offset error correctionTOSHIBA KK·Filed 2014·Granted Feb 24, 2015·5 cites·8 claims
- 1481US6904010B1Method of writing servo tracks for disk file apparatus using write start or stop sectorsFUJITSU LTD·Filed 2000·Granted Jun 7, 2005·17 cites·6 claims
- 1580US7515377B2Storage apparatus and control method for detecting vibration produced during seekingFUJITSU LTD·Filed 2007·Granted Apr 7, 2009·4 cites·20 claims
- 1678US5764441AHead actuator having reduced and controlled vibration characteristics for high speed disk drive systemsFUJITSU LTD·Filed 1996·Granted Jun 9, 1998·32 cites·39 claims
- 1776US8908303B1Method for servo demodulation and disk storage apparatusTOSHIBA KK·Filed 2013·Granted Dec 9, 2014·3 cites·18 claims
- 1875US6819519B2Head position control method for a disk device and the disk deviceFUJITSU LTD·Filed 2000·Granted Nov 16, 2004·11 cites·16 claims
- 1974US6025973AConstruction for attaching a disk in a disk driveFUJITSU LTD·Filed 1998·Granted Feb 15, 2000·30 cites·6 claims
- 2073US7508620B2Disk apparatus, information processing system, and information providing apparatusFUJITSU LTD·Filed 2006·Granted Mar 24, 2009·2 cites·30 claims
- 2171US9177581B2Head position demodulation method and magnetic disk deviceTOSHIBA KK·Filed 2014·Granted Nov 3, 2015·2 cites·18 claims
- 2271US5608592AHead actuatorFUJITSU LTD·Filed 1995·Granted Mar 4, 1997·24 cites·17 claims
- 2369US5926347AMagnetic disk drive provided with means for pressing head against diskFUJITSU LTD·Filed 1997·Granted Jul 20, 1999·23 cites·8 claims
- 2458US6081990AMethod for incorporating disk media into magnetic disk driveFUJITSU LTD·Filed 1997·Granted Jul 4, 2000·14 cites·18 claims
- 2557US7385779B2Disk device with bi-directional communication functionFUJITSU LTD·Filed 2007·Granted Jun 10, 2008·0 cites·10 claims
- 2650US7154702B2Head actuatorFUJITSU LTD·Filed 2002·Granted Dec 26, 2006·1 cites·20 claims
- 2748US7787200B2Disk-device correcting system, information managing device, master-disk producing device, and master-disk producing methodTOSHIBA STORAGE DEVICE CORP·Filed 2006·Granted Aug 31, 2010·0 cites·20 claims
- 2847US6016237AShaft construction of a disk driveFUJITSU LTD·Filed 1998·Granted Jan 18, 2000·6 cites·20 claims
- 2945US4396200APacking assembly for sealing between cylinder head and cylinder head cover gasketTOYODA GOSEI KK·Filed 1982·Granted Aug 2, 1983·11 cites·4 claims
- 3044US7158349B2Ramp member assembly including flying slider in recording disk driveFUJITSU LTD·Filed 2004·Granted Jan 2, 2007·0 cites·5 claims
- 3142US2017218996A1Fastening structure and fastening methodNEWFREY LLC·Filed 2017·Application pending·0 cites
- 3238US6671120B2Head carriage assembly drive system and disk driveFUJITSU LTD·Filed 1999·Granted Dec 30, 2003·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →