Inventor · disambiguated record
Fuminori Sai
Also filed as: SAI FUMINORI
25 granted patents·2 pending applications·579 citations·filing 1993–2014
96Inventor score
Top patents by PatentIndex Score
27 records- 0196US6981205B2Data storage apparatus, read data processor, and read data processing methodLENOVO SINGAPORE PTE LTD·Filed 2002·Granted Dec 27, 2005·126 cites·23 claims
- 0295US7733591B2Data storage device with data recovery process using fixed phase clocking for analog-to-digital conversionHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jun 8, 2010·26 cites·17 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
- 0493US6236527B1Disk drive with actuator load/unload controllerIBM·Filed 1998·Granted May 22, 2001·109 cites·2 claims
- 0592US6229663B1Disk drive loading/unloading apparatus and method for controlling the apparatusIBM·Filed 1998·Granted May 8, 2001·85 cites·50 claims
- 0690US8190831B2Methods and apparatus for detecting a syncMark in a hard disk driveLEE YUAN XING·Filed 2008·Granted May 29, 2012·16 cites·21 claims
- 0789US7486467B2Magnetic disk drive and method for registering defective sector using timing control of pattern writingHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Feb 3, 2009·11 cites·26 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
- 0987US7286316B2Method and data storage device for writing patterns onto recording diskHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Oct 23, 2007·8 cites·19 claims
- 1085US7646561B2Method of writing pattern in disk, method of following track on disk, and apparatus for writing pattern in diskHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Jan 12, 2010·7 cites·16 claims
- 1184US7019933B2Servo information write method, servo control method, data storage device, and programHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Mar 28, 2006·21 cites·24 claims
- 1282US7532424B2Method of writing pattern on media and data storage deviceHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted May 12, 2009·6 cites·20 claims
- 1379US7724464B2Recording disk and disk driveHITACHI GLOBAL STORAGE TECH·Filed 2008·Granted May 25, 2010·5 cites·14 claims
- 1479US7446967B2Method 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
- 1578US7525747B2Data storage device, data storage control circuit, and control method for magnetic disk driveHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Apr 28, 2009·5 cites·20 claims
- 1677US6643087B1Disk drive with improved retract circuit and methodHITACHI GLOBAL STORAGE TECH·Filed 2000·Granted Nov 4, 2003·14 cites·14 claims
- 1776US6078474ARamp for use with a data storage device and a data storage deviceIBM·Filed 1998·Granted Jun 20, 2000·30 cites·4 claims
- 1874US5266897AMagnetic field observation with tunneling microscopyIBM·Filed 1993·Granted Nov 30, 1993·39 cites·28 claims
- 1967US9202514B1Gated noise-predictive filter calibrationLSI CORP·Filed 2014·Granted Dec 1, 2015·1 cites·20 claims
- 2064US7023638B2Data storage device, data read correction mechanism, and data read control methodHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Apr 4, 2006·5 cites·13 claims
- 2155US7697224B2Storing AD sampled data of read/write channel into ECC SRAMHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Apr 13, 2010·0 cites·9 claims
- 2255US6151183ADisk drive device and method for controlling the sameIBM·Filed 1998·Granted Nov 21, 2000·13 cites·7 claims
- 2354US7457065B2Systems and methods for hard disk drive optimization and manufacturingHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Nov 25, 2008·2 cites·27 claims
- 2449US2007247736A1Disk drive apparatus and method for writing and/or reading user data thereofHITACHI GLOBAL STORAGE TECH·Filed 2007·Application pending·0 cites
- 2548US6424476B1Method and apparatus for controlling read and write operations in a storage deviceIBM·Filed 1998·Granted Jul 23, 2002·8 cites·14 claims
- 2646US5638203ALiquid crystal electrooptical deviceIBM·Filed 1996·Granted Jun 10, 1997·13 cites·2 claims
- 2746US2009009904A1Method for forming servo pattern and magnetic disk driveYASUNA KEI·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →