Inventor · disambiguated record
Reijiro Tsuchiya
Also filed as: TSUCHIYA REIJIRO
15 granted patents·189 citations·filing 1987–2004
93Inventor score
Technology areasG11B
Top patents by PatentIndex Score
15 records- 0191US6765740B2Composite magnetic head, magnetic disk drive using the head, and control method for the magnetic diskHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted Jul 20, 2004·27 cites·9 claims
- 0289US7271970B2Composite magnetic head arranged so the reproducing elements do not overlap a pole of a recording elementHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Sep 18, 2007·23 cites·13 claims
- 0387US6111715AStorage apparatus using a magnetoresistive head that employs a sense current selected from plural predetermined sense currentsHITACHI LTD·Filed 1998·Granted Aug 29, 2000·44 cites·22 claims
- 0481US4907100AReadout circuit in magnetic recording deviceHITACHI LTD·Filed 1988·Granted Mar 6, 1990·24 cites·13 claims
- 0571US6512648B1Magnetic storage apparatus using a magnetoresistive elementHITACHI LTD·Filed 2000·Granted Jan 28, 2003·7 cites·4 claims
- 0664US6879460B2Magnetic recording disk driveHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Apr 12, 2005·4 cites·4 claims
- 0762US6130797AMagnetic recorder and magnetooptical recorderHITACHI LTD·Filed 1995·Granted Oct 10, 2000·16 cites·17 claims
- 0858US5008761AReadout circuit in magnetic recording deviceHITACHI LTD·Filed 1990·Granted Apr 16, 1991·10 cites·10 claims
- 0951US6452737B2Magnetic disk device and automatic adaptation method of its parameterHITACHI LTD·Filed 2001·Granted Sep 17, 2002·2 cites·2 claims
- 1049US6657804B1Magnetic recording disk driveHITACHI LTD·Filed 1999·Granted Dec 2, 2003·7 cites·6 claims
- 1148US5786952AMagnetic digital storage method and system wherein magnetic transition points in adjacent recorded tracks are out of phase with each otherHITACHI LTD·Filed 1995·Granted Jul 28, 1998·8 cites·10 claims
- 1245US6285520B1Magnetic disk device and automatic adaptation method of its parameterHITACHI LTD·Filed 1999·Granted Sep 4, 2001·7 cites·3 claims
- 1343US6816344B2Composite magnetic head arranged so the reproducing elements do not overlap a pole of a recording elementHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted Nov 9, 2004·0 cites·14 claims
- 1442US5459620ADiagnostic system of magnetic recording channel and magnetic disk drive apparatusHITACHI LTD·Filed 1994·Granted Oct 17, 1995·5 cites·5 claims
- 1542US4823208AMulti slice level signal circuitHITACHI LTD·Filed 1987·Granted Apr 18, 1989·5 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →