Inventor · disambiguated record
Tadashi Ozue
Also filed as: OZUE TADASHI
51 granted patents·12 pending applications·525 citations·filing 1990–2007
98Inventor score
Top patents by PatentIndex Score
63 records- 0191US7324303B2Magnetic recording/reproducing head with head elements displaced in both head width and lamination directionsSONY CORP·Filed 2007·Granted Jan 29, 2008·9 cites·2 claims
- 0289US5852534ATape cassette, tape recording apparatus and tape reproducing apparatusSONY CORP·Filed 1996·Granted Dec 22, 1998·55 cites·12 claims
- 0387US6801379B2Multi-magnetic recording head, and magnetic recording method and magnetic recording apparatus using the sameSONY CORP·Filed 2002·Granted Oct 5, 2004·22 cites·15 claims
- 0486US5742444ARecording and/or reproducing apparatus for controlling the running speed of a recording tapeSONY CORP·Filed 1994·Granted Apr 21, 1998·38 cites·13 claims
- 0583US6243240B1Non-contact type transmission device and rotary magnetic head unit having the non-contact type transmission deviceSONY CORP·Filed 1997·Granted Jun 5, 2001·37 cites·11 claims
- 0682US5867335AAutochangerSONY CORP·Filed 1995·Granted Feb 2, 1999·40 cites·15 claims
- 0780US7002777B2Tape drive head with lower core layer side inclined at angle equal to or greater than azimuth angle and aligned with upper core layer edgeSONY CORP·Filed 2003·Granted Feb 21, 2006·15 cites·8 claims
- 0877US6429992B1Non-contact type transmission device and rotary magnetic head unit having the non-contact type transmission device and a bias current control sectionSONY CORP·Filed 2000·Granted Aug 6, 2002·11 cites·7 claims
- 0976US6704174B2Magnetic recording and playback device with ESD protectionSONY CORP·Filed 2001·Granted Mar 9, 2004·11 cites·5 claims
- 1075US6687071B2Magnetic tape drive apparatus and magnetic head cleaning methodSONY CORP·Filed 2000·Granted Feb 3, 2004·10 cites·9 claims
- 1172US7372655B2Information-processing apparatus, information-processing method, programs and recording mediumsSONY CORP·Filed 2006·Granted May 13, 2008·2 cites·6 claims
- 1271US6922298B2Magnetic tape recording apparatus for recording tracks having same track pitchSONY CORP·Filed 2004·Granted Jul 26, 2005·8 cites·16 claims
- 1370US7161760B2Reproducing apparatus and reproducing method for reproducing data by scanning slant tracks using a plurality of reproducing headsSONY CORP·Filed 2005·Granted Jan 9, 2007·1 cites·3 claims
- 1470US6304397B1Magnetic recording/reproducing apparatus with rotary drum with magnetoresistance head for transducing DC-free code signalsSONY CORP·Filed 1998·Granted Oct 16, 2001·23 cites·18 claims
- 1569US7239466B2Magnetic head device and magnetic recording deviceSONY CORP·Filed 2005·Granted Jul 3, 2007·1 cites·5 claims
- 1668US5287341ARotating optical head apparatusSONY CORP·Filed 1992·Granted Feb 15, 1994·17 cites·2 claims
- 1768US5063555ARotary optical headSONY CORP·Filed 1990·Granted Nov 5, 1991·17 cites·9 claims
- 1867US6765738B1Magnetic reproducing apparatus and method for detecting a degree of wear of magnetic head elementSONY CORP·Filed 2000·Granted Jul 20, 2004·6 cites·4 claims
- 1966US6522506B1Apparatus and method for variably projecting a magnetic head element in a magnetic head unitSONY CORP·Filed 2000·Granted Feb 18, 2003·6 cites·8 claims
- 2064US7050265B2Negative pressure type rotary head drum unit and magnetic tape drive using the sameSONY CORP·Filed 2003·Granted May 23, 2006·5 cites·6 claims
- 2164US6970325B2Magnetic head apparatus, magnetic reproducing method, and magnetic reproducing apparatus in linear tape systemSONY CORP·Filed 2002·Granted Nov 29, 2005·4 cites·9 claims
- 2264US6515836B2Magneto-resistive effect type magnetic head and magnetic tape apparatusSONY CORP·Filed 2001·Granted Feb 4, 2003·5 cites·20 claims
- 2364US5791578ARecording medium device with memory terminals and shutter sized and shaped in relation theretoSONY CORP·Filed 1995·Granted Aug 11, 1998·17 cites·25 claims
- 2463US6038200AAutochangerSONY CORP·Filed 1998·Granted Mar 14, 2000·16 cites·8 claims
- 2562US5559766ARotary drum tape recording apparatus with controlling optical recording tracks using stored results of scanning of reference tracksSONY CORP·Filed 1995·Granted Sep 24, 1996·16 cites·3 claims
- 2661US7292412B2Rotary head drum apparatus including a rotary drum having a head and a switch for selecting the head and magnetic recording and/or reproducing apparatus using the sameSONY CORP·Filed 2004·Granted Nov 6, 2007·4 cites·16 claims
- 2761US5157650AOptical recording apparatusSONY CORP·Filed 1991·Granted Oct 20, 1992·25 cites·3 claims
- 2860US6813109B2Rotary magnetic head apparatus for performing reproduction operations using a plurality of reproduction heads without depending on the arrangement of the recording tracksSONY CORP·Filed 2001·Granted Nov 2, 2004·4 cites·11 claims
- 2959US5502603ARotating head type recording/reproducing apparatus which uses wide recording heads to record a single pilot signal over three tracks and preventing overwriting of the pilot signal by the next head scanSONY CORP·Filed 1994·Granted Mar 26, 1996·14 cites·11 claims
- 3058US6549356B1Rotary drum and magnetic tape recording/reproducing apparatus using the sameSONY CORP·Filed 2000·Granted Apr 15, 2003·3 cites·4 claims
- 3157US6515833B1Rotating drum assembly and magnetic recording/reproducing apparatus having a tape-contact pieceSONY CORP·Filed 1999·Granted Feb 4, 2003·12 cites·14 claims
- 3256US2005174689A1Magnetic recording head, magnetic reproducing head, magnetic head, tape drive and disk driveSONY CORP·Filed 2005·Application pending·0 cites
- 3356US2005174688A1Magnetic recording head, magnetic reproducing head, magnetic head, tape drive and disk driveSONY CORP·Filed 2005·Application pending·0 cites
- 3455US7075752B2Magnetic head apparatus, magnetic reproducing method, and magnetic reproducing apparatus in linear tape systemSONY CORP·Filed 2005·Granted Jul 11, 2006·0 cites·6 claims
- 3554US6657807B1Magnetic recording/playback apparatus and methodSONY CORP·Filed 2000·Granted Dec 2, 2003·2 cites·8 claims
- 3654US5265084ARotary drum assembly with pump-out spiral groovesSONY CORP·Filed 1992·Granted Nov 23, 1993·9 cites·5 claims
- 3753US7057845B2Reproducing apparatus and reproducing method for reproducing data by scanning slant tracks using a plurality of reproducing headsSONY CORP·Filed 2004·Granted Jun 6, 2006·1 cites·2 claims
- 3853US6297631B1Magnetic signal reproducing method and apparatus using magneto-resistive effect element with increased sense currentSONY CORP·Filed 1999·Granted Oct 2, 2001·10 cites·6 claims
- 3953US6141166ARecording head arrangement for a magnetic recording device having a multichannel recording modeSONY CORP·Filed 1998·Granted Oct 31, 2000·10 cites·7 claims
- 4052US2005282039A1Recording and reproducing apparatus having magnetic recording medium possessing a specific range of surface resistivity for GMR headSONY CORP·Filed 2005·Application pending·0 cites
- 4151US7323260B2Lubricant, recording medium and carboxylic acid compoundSONY CORP·Filed 2004·Granted Jan 29, 2008·1 cites·10 claims
- 4250US6563664B1Magnetic signal recording and reproducing apparatus and magnetic signal recording and reproducing methodSONY CORP·Filed 2000·Granted May 13, 2003·1 cites·2 claims
- 4349US6411473B1Rotary drum device and magnetic recording/reproducing apparatus having a more protruding inductive magnetic head relative to magnetoresistive headSONY CORP·Filed 1999·Granted Jun 25, 2002·8 cites·4 claims
- 4448US5886843ARecording and playback apparatus using a helical-scan-type rotary headSONY CORP·Filed 1997·Granted Mar 23, 1999·8 cites·6 claims
- 4546US5684649ARecording/reproducing apparatus with read-after-write capabilitySONY CORP·Filed 1995·Granted Nov 4, 1997·6 cites·1 claims
- 4646US2004021982A1Magnetic recording head, magnetic reproducing head, magnetic head, tape drive and disk driveOZUE TADASHI·Filed 2003·Application pending·0 cites
- 4745US2005259358A1Magnetic head device and magnetic recording/reproducing apparatusOZUE TADASHI·Filed 2005·Application pending·0 cites
- 4843US6081398ARecording/reproducing apparatus with read-after-write capabilitySONY CORP·Filed 1997·Granted Jun 27, 2000·5 cites·9 claims
- 4942US2004165306A1Magnetic storage recording medium and magnetic recording and playback deviceFiled 2004·Application pending·0 cites
- 5041US2004214045A1Magnetic recording mediumFiled 2003·Application pending·0 cites
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →