Inventor · disambiguated record
Katsumichi Tagami
Also filed as: TAGAMI KATSUMICHI
33 granted patents·4 pending applications·575 citations·filing 1998–2024
97Inventor score
Top patents by PatentIndex Score
37 records- 0197US7911882B2Thin-film magnetic head with near-field-light-generating layerTDK CORP·Filed 2006·Granted Mar 22, 2011·61 cites·45 claims
- 0296US7443633B2Thin-film magnetic head for perpendicular magnetic recording and manufacturing method of thin-film magnetic headTDK CORP·Filed 2005·Granted Oct 28, 2008·45 cites·42 claims
- 0395US7090934B2Perpendicular magnetic recording mediumHOYA CORP·Filed 2002·Granted Aug 15, 2006·69 cites·8 claims
- 0494US7623322B2Thin-film magnetic head with heater spaced further from medium facing surface than split in shieldTDK CORP·Filed 2005·Granted Nov 24, 2009·28 cites·13 claims
- 0593US7215502B2Magnetic recording and reproducing apparatus with trapeziodal write pole tip to avoid overwriting adjacent tracksTDK CORP·Filed 2005·Granted May 8, 2007·17 cites·21 claims
- 0693US6426157B1Perpendicular magnetic recording mediumNEC CORP·Filed 1999·Granted Jul 30, 2002·83 cites·6 claims
- 0791US7209313B2Method for preventing reduction in a reproduced output of a servo signal in a magnetic recording mediumTDK CORP·Filed 2005·Granted Apr 24, 2007·13 cites·22 claims
- 0891US7136252B2Magnetic recording and reproducing apparatus with recording layer having predetermined convex-concave patternTDK CORP·Filed 2005·Granted Nov 14, 2006·15 cites·19 claims
- 0990US7095581B2Magnetic recording and reproducing apparatus with recording layer having predeterminded convex-concase patternTDK CORP·Filed 2005·Granted Aug 22, 2006·11 cites·18 claims
- 1087US7724474B2Thin-film magnetic head comprising contact pad including portions of closure and substrate and magnetic recording apparatus comprising the headTDK CORP·Filed 2006·Granted May 25, 2010·8 cites·42 claims
- 1186US6270885B1Perpendicular magnetic recording mediumNEC CORP·Filed 1998·Granted Aug 7, 2001·96 cites·17 claims
- 1284US7583479B2Thin-film magnetic head with heater in overcoat multilayer, head gimbal assembly with thin-film magnetic head, and magnetic disk drive apparatus with head gimbal assemblyTDK CORP·Filed 2005·Granted Sep 1, 2009·6 cites·32 claims
- 1384US6204995B1Magnetic disc apparatusNEC CORP·Filed 1999·Granted Mar 20, 2001·83 cites·17 claims
- 1483US7773342B2Thin-film magnetic head having near-field-light-generating portion with trapezoidal endTDK CORP·Filed 2007·Granted Aug 10, 2010·5 cites·31 claims
- 1583US7403353B2Magnetic recording and reproducing system with recording layer having predetermined convex-concave patternTDK CORP·Filed 2006·Granted Jul 22, 2008·10 cites·27 claims
- 1676US12424645B2Apparatus, system and method for generating nitrogen gas from fuel-cell exhaust gasMICRO CONTROL SYSTEMS LTD·Filed 2024·Granted Sep 23, 2025·0 cites·10 claims
- 1775US7158340B2Magnetic recording and reproducing apparatus and magnetic recording mediumTDK CORP·Filed 2005·Granted Jan 2, 2007·5 cites·27 claims
- 1873US7604880B2Information recording mediumTDK CORP·Filed 2005·Granted Oct 20, 2009·2 cites·5 claims
- 1969US8269294B2Spin transport deviceSASAKI TOMOYUKI·Filed 2010·Granted Sep 18, 2012·3 cites·14 claims
- 2068US7482070B2Magnetic recording mediumTDK CORP·Filed 2005·Granted Jan 27, 2009·1 cites·8 claims
- 2164US8324672B2Spin transport deviceSASAKI TOMOYUKI·Filed 2010·Granted Dec 4, 2012·1 cites·8 claims
- 2262US11978935B2Apparatus and system for generating nitrogen gas through dehumidifying and filtering fuel cell exhaust gasMICRO CONTROL SYSTEMS LTD·Filed 2021·Granted May 7, 2024·0 cites·14 claims
- 2360US8481337B2Manufacturing method of silicon spin transport device and silicon spin transport deviceSASAKI TOMOYUKI·Filed 2010·Granted Jul 9, 2013·1 cites·12 claims
- 2460US7824584B2Method of manufacturing stamper, method of manufacturing resin molded article, and stamperTDK CORP·Filed 2009·Granted Nov 2, 2010·2 cites·5 claims
- 2557US7864468B2Magnetic recording and reproducing apparatus including a magnetic recording medium and a magnetic head for recording data on the magnetic recording mediumTDK CORP·Filed 2008·Granted Jan 4, 2011·0 cites·6 claims
- 2655US2010067144A1Magnetic recording medium, magnetic recording and reproducing apparatus, and method for manufacturing magnetic recording mediumTDK CORP·Filed 2009·Application pending·0 cites
- 2752US7697323B2Magnetic storage deviceTDK CORP·Filed 2007·Granted Apr 13, 2010·2 cites·11 claims
- 2852US7649766B2Magnetic storage deviceTDK CORP·Filed 2007·Granted Jan 19, 2010·2 cites·7 claims
- 2951US7746598B2Information recording medium and recording/reproducing apparatusTDK CORP·Filed 2005·Granted Jun 29, 2010·0 cites·10 claims
- 3050US7613034B2Magnetic memory and method for reading-writing information from-to magnetic storage elementTDK CORP·Filed 2007·Granted Nov 3, 2009·2 cites·19 claims
- 3148US7597972B2Magnetic recording medium including a patterned intermediate layer and a non-patterned soft magnetic layer and manufacturing method thereofTDK CORP·Filed 2005·Granted Oct 6, 2009·0 cites·12 claims
- 3246US7613033B2Magnetic storage deviceTDK CORP·Filed 2007·Granted Nov 3, 2009·2 cites·20 claims
- 3346US2006132970A1Magnetic recording/reproducing device, magnetic recording medium, and magnetic headTDK CORP·Filed 2005·Application pending·0 cites
- 3445US2006040140A1Magnetic recording medium and magnetic recording/reproducing apparatusTDK CORP·Filed 2005·Application pending·0 cites
- 3544US7916434B2Tunnel magnetoresistive effect element with limited electric popping output voltageTDK CORP·Filed 2006·Granted Mar 29, 2011·0 cites·7 claims
- 3644US2006221499A1Thin film magnetic head and magnetic recording apparatusTDK CORP·Filed 2006·Application pending·0 cites
- 3735US6246544B1Magnetic disk driveNEC CORP·Filed 1998·Granted Jun 12, 2001·2 cites·4 claims
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