Inventor · disambiguated record
Tatsuro Sasamoto
Also filed as: ARUGA KEIJI · SASAMOTO TATSURO
17 granted patents·347 citations·filing 1990–2007
95Inventor score
Files withFUJITSU LTD17
Top patents by PatentIndex Score
17 records- 0192US6909574B2Disk device conducting a disturbance compensation based on a time-interval measurement in reading servo sectors recorded on a diskFUJITSU LTD·Filed 2001·Granted Jun 21, 2005·46 cites·20 claims
- 0290US6522488B2Servo information writing method and storage deviceFUJITSU LTD·Filed 2000·Granted Feb 18, 2003·31 cites·20 claims
- 0389US6690549B1Storage deviceFUJITSU LTD·Filed 2000·Granted Feb 10, 2004·33 cites·8 claims
- 0486US5636075AMagnetic disk apparatus, recording medium, and accessing method for performing constant density recordingFUJITSU LTD·Filed 1994·Granted Jun 3, 1997·34 cites·11 claims
- 0584US6721122B2Disk drive unit and control method for sameFUJITSU LTD·Filed 2000·Granted Apr 13, 2004·19 cites·13 claims
- 0674US5623379AMethod of controlling a start-up of a motor used for a disk apparatusFUJITSU LTD·Filed 1995·Granted Apr 22, 1997·36 cites·6 claims
- 0770US5109502AHead exchange system for disc drive system controlling busy signals in accordance with head offsetFUJITSU LTD·Filed 1990·Granted Apr 28, 1992·19 cites·15 claims
- 0868US6064541AServo pattern writing method for magnetic disk drives, and magnetic disk drive adopting the methodFUJITSU LTD·Filed 1997·Granted May 16, 2000·20 cites·22 claims
- 0968US5903411AMethod for reliably positioning a head in a disk drive to a guard band areaFUJITSU LTD·Filed 1996·Granted May 11, 1999·21 cites·6 claims
- 1068US5796546ADisk apparatus for controlling a seek operation of a read/write head to a target location of a recording diskFUJITSU LTD·Filed 1996·Granted Aug 18, 1998·20 cites·14 claims
- 1168US5784220AMagnetic disk apparatus, recording and accessing method for performing density recordingFUJITSU LTD·Filed 1997·Granted Jul 21, 1998·19 cites·3 claims
- 1260US5592347AApparatus for measuring offset of head from servo pattern of data surface and disk medium having recorded servo pattern for measurement of offsetFUJITSU LTD·Filed 1994·Granted Jan 7, 1997·12 cites·17 claims
- 1359US5541785AMagnetic disk apparatus with improved positioning control of magnetic headFUJITSU LTD·Filed 1993·Granted Jul 30, 1996·12 cites·7 claims
- 1456US7589929B2Servo pattern writing apparatus, servo pattern writing method, servo pattern reading apparatus, and servo pattern reading methodFUJITSU LTD·Filed 2007·Granted Sep 15, 2009·0 cites·14 claims
- 1556US6295507B1Calibration method for acceleration sensor in storage device and storage deviceFUJITSU LTD·Filed 1999·Granted Sep 25, 2001·12 cites·19 claims
- 1649US6239940B1Disk device and disk device calibrating methodFUJITSU LTD·Filed 1997·Granted May 29, 2001·8 cites·23 claims
- 1741US6034830AInformation recording medium having divided cylinder address storageFUJITSU LTD·Filed 1997·Granted Mar 7, 2000·5 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Tatsuro Sasamoto files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →