Inventor · disambiguated record
Masahide Yatsu
Also filed as: YATSU MASAHIDE
26 granted patents·7 pending applications·467 citations·filing 1995–2011
96Inventor score
Technology areasG11B
Top patents by PatentIndex Score
33 records- 0198US6002544AHead positioning control system for use in a disk drive using different target velocity data for read and write seeksTOSHIBA KK·Filed 1997·Granted Dec 14, 1999·234 cites·8 claims
- 0291US7675705B2Method and apparatus for writing servo pattern using spiral pattern in disk driveTOSHIBA KK·Filed 2007·Granted Mar 9, 2010·14 cites·18 claims
- 0391US7477472B2Method and apparatus for writing servo data in a disk drive using spiral servo patternsTOSHIBA KK·Filed 2007·Granted Jan 13, 2009·13 cites·11 claims
- 0491US7312946B2Method and apparatus for servo control in a disk driveTOSHIBA KK·Filed 2006·Granted Dec 25, 2007·13 cites·7 claims
- 0591US6738215B2Method and system for accurate self-servo writing by using relative position between head and writing surfaceTOSHIBA KK·Filed 2002·Granted May 18, 2004·34 cites·16 claims
- 0687US7489468B2Method and apparatus for head positioning control in a disk driveTOSHIBA KK·Filed 2006·Granted Feb 10, 2009·8 cites·11 claims
- 0787US6943977B2Method and apparatus for servo writing in a disk driveTOSHIBA KK·Filed 2003·Granted Sep 13, 2005·24 cites·14 claims
- 0884US7239472B2Method and apparatus for writing data in a disk driveTOSHIBA KK·Filed 2006·Granted Jul 3, 2007·6 cites·14 claims
- 0980US7855850B2Method and apparatus for head positioning using spiral servo patterns in a disk driveTOSHIBA KK·Filed 2008·Granted Dec 21, 2010·4 cites·11 claims
- 1080US7710682B2Method and apparatus for writing spiral servo pattern in a disk driveTOSHIBA KK·Filed 2007·Granted May 4, 2010·4 cites·6 claims
- 1180US7423835B2Method and apparatus for servo control using spiral servo information in a disk driveTOSHIBA KK·Filed 2006·Granted Sep 9, 2008·5 cites·10 claims
- 1280US7221533B2Method and apparatus for servo information writing in a disk driveTOSHIBA KK·Filed 2005·Granted May 22, 2007·4 cites·10 claims
- 1379US7630161B2Method and apparatus for writing spiral servo pattern in a disk driveTOSHIBA KK·Filed 2007·Granted Dec 8, 2009·4 cites·10 claims
- 1478US7457074B2Method and apparatus for correcting errors while writing spiral servo information in a disk driveTOSHIBA KK·Filed 2007·Granted Nov 25, 2008·4 cites·18 claims
- 1577US6417983B1System for head positioning control in a disk driveTOSHIBA KK·Filed 1999·Granted Jul 9, 2002·30 cites·14 claims
- 1674US6771455B1Control system and control method for positioning a head above a desired position on diskTOSHIBA KK·Filed 2000·Granted Aug 3, 2004·10 cites·4 claims
- 1772US7804659B2Method and apparatus for positioning head using spiral servo pattern in a disk driveTOSHIBA KK·Filed 2007·Granted Sep 28, 2010·2 cites·4 claims
- 1864US5754358AHead positioning system and method for use in disk recording/reproducing apparatusTOSHIBA KK·Filed 1996·Granted May 19, 1998·17 cites·20 claims
- 1955US6175465B1Head positioning control system for use in a disk storage driveTOSHIBA KK·Filed 1998·Granted Jan 16, 2001·12 cites·4 claims
- 2055US5680271AControl device of the disk apparatus for positioning a head on a diskTOSHIBA KK·Filed 1995·Granted Oct 21, 1997·12 cites·3 claims
- 2154US7106545B2Method and apparatus for servowriting in a disk driveTOSHIBA KK·Filed 2004·Granted Sep 12, 2006·2 cites·7 claims
- 2254US5801897AHead positioning control system for use in a disk storage systemTOSHIBA KK·Filed 1996·Granted Sep 1, 1998·11 cites·14 claims
- 2351US7538965B2Method and apparatus for writing servo management information in a disk driveTOSHIBA KK·Filed 2007·Granted May 26, 2009·0 cites·4 claims
- 2450US2008137226A1Method and apparatus for testing servo data on a disk medium in a disk driveTOSHIBA KK·Filed 2007·Application pending·0 cites
- 2549US2008002279A1Method and apparatus for writing a spiral servo pattern on a disk in a disk driveTOSHIBA KK·Filed 2007·Application pending·0 cites
- 2649US2008068740A1Method and apparatus for writing servo data and positioning head in a disk driveTOSHIBA KK·Filed 2007·Application pending·0 cites
- 2748US7173789B2Head position calculation method in magnetic disc apparatusTOSHIBA KK·Filed 2005·Granted Feb 6, 2007·0 cites·2 claims
- 2847US2007047132A1Method and apparatus for writing servo informationTOSHIBA KK·Filed 2006·Application pending·0 cites
- 2946US8315008B2Magnetic disk device and head position control methodSUZUKI ATSUSHI·Filed 2011·Granted Nov 20, 2012·0 cites·6 claims
- 3046US8300351B2Magnetic recording apparatusSUZUKI HIROYUKI·Filed 2011·Granted Oct 30, 2012·0 cites·10 claims
- 3145US2006109583A1Method and apparatus for servo writing with servo pattern examination in a disk driveTOSHIBA KK·Filed 2005·Application pending·0 cites
- 3242US2004264031A1Method and apparatus for servo writing using incorporated servo writer in a disk driveTOSHIBA KK·Filed 2004·Application pending·0 cites
- 3340US2003161065A1Method and apparatus for controlling the actuator of the head-positioning system provided in a disk driveFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →