Inventor · disambiguated record
Katsuhiro Tsuneta
Also filed as: TSUNETA KATSUHIRO
24 granted patents·431 citations·filing 1987–2010
97Inventor score
Top patents by PatentIndex Score
24 records- 0192US6407876B1Magnetic disk apparatus having an accelerometer for detecting acceleration in the positioning direction of the magnetic headHITACHI LTD·Filed 2001·Granted Jun 18, 2002·37 cites·8 claims
- 0292US5715105AMethod of and apparatus for recording on and reproducing from disk-type recording medium having recording tracks with sectors each having an ID area and a data areaHITACHI LTD·Filed 1993·Granted Feb 3, 1998·43 cites·22 claims
- 0385US6865048B2Information storing device and method for controlling same to record/reproduce information by selecting one of working modesHITACHI LTD·Filed 2003·Granted Mar 8, 2005·11 cites·9 claims
- 0485US6108158AMethod and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset coresHITACHI LTD·Filed 1997·Granted Aug 22, 2000·33 cites·10 claims
- 0583US5404255ADisk apparatus and its control methodHITACHI LTD·Filed 1993·Granted Apr 4, 1995·34 cites·22 claims
- 0682US5982570AInformation storing device and method for controlling same to record/reproduce information by selecting one of working modesHITACHI LTD·Filed 1997·Granted Nov 9, 1999·61 cites·10 claims
- 0781US6476994B2Information storing device and method for controlling same to record/reproduce information by selecting one of working modesHITACHI LTD·Filed 2002·Granted Nov 5, 2002·8 cites·1 claims
- 0880US7982999B2Information storing device and method for controlling same to record/reproduce information by selecting one of working modesHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jul 19, 2011·2 cites·14 claims
- 0980US6563658B2Information storing device and method for controlling same to record/reproduce information by selection one of working modesHITACHI LTD·Filed 2002·Granted May 13, 2003·8 cites·7 claims
- 1080US6400523B1Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset coresHITACHI LTD·Filed 2001·Granted Jun 4, 2002·10 cites·4 claims
- 1178US6381087B1Information storing device and method for controlling same to record/reproduce information by selecting one of working modesHITACHI LTD·Filed 2000·Granted Apr 30, 2002·7 cites·10 claims
- 1278US4803572ARecording/reproducing method and apparatus of magnetic disk unit in which playback commences before the magnetic head is completely centered on the trackHITACHI LTD·Filed 1987·Granted Feb 7, 1989·24 cites·10 claims
- 1377US6577462B1Method and device for recording and reproducing dataHITACHI LTD·Filed 1998·Granted Jun 10, 2003·34 cites·8 claims
- 1476US6236528B1Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset coresHITACHI LTD·Filed 2000·Granted May 22, 2001·8 cites·2 claims
- 1575US5159503APhase and period synchronization for a slave disk driveHITACHI LTD·Filed 1990·Granted Oct 27, 1992·28 cites·16 claims
- 1667US5986845AApparatus for positioning magnetic head and method of the sameHITACHI LTD·Filed 1997·Granted Nov 16, 1999·20 cites·19 claims
- 1766US6335845B1Magnetic disk apparatus having an accelerometer for detecting acceleration in the positioning direction of the magnetic headHITACHI LTD·Filed 1996·Granted Jan 1, 2002·19 cites·8 claims
- 1866US5105318AHead positioning device for use in magnetic disk equipmentHITACHI LTD·Filed 1988·Granted Apr 14, 1992·14 cites·19 claims
- 1961US6151182AInformation storing device and method for controlling same to record/reproduce information by selecting one of working modesHITACHI LTD·Filed 1999·Granted Nov 21, 2000·22 cites·17 claims
- 2057US8345371B2Information storing device and method for controlling same to record/reproduce information by selecting one of working modesHITACHI GLOBAL STORAGE TECH·Filed 2010·Granted Jan 1, 2013·0 cites·32 claims
- 2145US5953178AMagnetic disk apparatusHITACHI LTD·Filed 1997·Granted Sep 14, 1999·7 cites·10 claims
- 2235US6967801B2Adjusting clock frequency in a disk drive and a disk system using the sameHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Nov 22, 2005·0 cites·20 claims
- 2329US6151181AMagnetic disk device with dummy write functionHITACHI LTD·Filed 1999·Granted Nov 21, 2000·1 cites·7 claims
- 2426US5995310AMagnetic disk device with dummy write functionHITACHI LTD·Filed 1997·Granted Nov 30, 1999·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →