Inventor · disambiguated record
Akifumi Kamijima
Also filed as: KAMIJIMA AKIFUMI
90 granted patents·11 pending applications·746 citations·filing 1996–2021
99Inventor score
Top patents by PatentIndex Score
101 records- 0196US7068468B2Thin-film magnetic head, head gimbal assembly with thin-film magnetic head and magnetic disk apparatus with head gimbal assemblyTDK CORP·Filed 2002·Granted Jun 27, 2006·59 cites·35 claims
- 0293US7846646B2Resist pattern forming method, thin-film pattern forming method, and microdevice manufacturing methodTDK CORP·Filed 2007·Granted Dec 7, 2010·23 cites·6 claims
- 0393US7639451B2Thin-film magnetic head, head gimbal assembly, and hard disk systemTDK CORP·Filed 2007·Granted Dec 29, 2009·18 cites·13 claims
- 0490US7477127B2Electronic device having organic material based insulating layer and method for fabricating the sameTDK CORP·Filed 2005·Granted Jan 13, 2009·18 cites·7 claims
- 0590US7307503B2Thin film coil, method of manufacturing the same, coil structure, and method of manufacturing the sameTDK CORP·Filed 2005·Granted Dec 11, 2007·24 cites·5 claims
- 0687US7808742B2Thin-film magnetic head comprising shield/magnetic-pole layer having surface without right nor sharp angleTDK CORP·Filed 2007·Granted Oct 5, 2010·8 cites·30 claims
- 0785US8094523B2Heat-assisted magnetic recording medium and magnetic recording apparatus with the mediumKAMIJIMA AKIFUMI·Filed 2008·Granted Jan 10, 2012·7 cites·6 claims
- 0884US10153092B2Thin-film capacitorTDK CORP·Filed 2017·Granted Dec 11, 2018·3 cites·6 claims
- 0983US6501618B1Thin film magnetic head including an antireflection filmTDK CORP·Filed 2000·Granted Dec 31, 2002·21 cites·14 claims
- 1083US6483664B2Thin film magnetic head and method of manufacturing sameTDK CORP·Filed 1999·Granted Nov 19, 2002·40 cites·19 claims
- 1182US7947428B2Method for forming photosensitive polyimide pattern and electronic devices having the patternTDK CORP·Filed 2005·Granted May 24, 2011·6 cites·17 claims
- 1282US6838384B2Thin-film patterning method, manufacturing method of thin-film device and manufacturing method of thin-film magnetic headTDK CORP·Filed 2001·Granted Jan 4, 2005·17 cites·13 claims
- 1381US6663761B2Fine pattern forming method, developing/washing device used for the same, plating method using the same, and manufacturing method of thin film magnetic head using the sameTDK CORP·Filed 2001·Granted Dec 16, 2003·14 cites·4 claims
- 1481US6040965AThin film magnetic head having grooves which become gradually shallowerTDK CORP·Filed 1997·Granted Mar 21, 2000·36 cites·18 claims
- 1579US6641984B2Method of frame plating and method of forming magnetic pole of thin-film magnetic headTDK CORP·Filed 2001·Granted Nov 4, 2003·17 cites·6 claims
- 1679US6549370B1Thin-film magnetic head having a magnetic layer that defines throat height and includes a sloped portionTDK CORP·Filed 2000·Granted Apr 15, 2003·13 cites·6 claims
- 1778US6525901B1Thin film magnetic head and method of manufacturing the sameTDK CORP·Filed 2000·Granted Feb 25, 2003·15 cites·8 claims
- 1877US6537732B2Resist pattern and method of forming same, method of forming thin-film pattern, and method of manufacturing micro deviceTDK CORP·Filed 2001·Granted Mar 25, 2003·11 cites·7 claims
- 1977US6497825B1Manufacturing method of thin-film magnetic headTDK CORP·Filed 2000·Granted Dec 24, 2002·11 cites·16 claims
- 2077US5725997AMethod for preparing a resist pattern of t-shaped cross sectionTDK CORP·Filed 1996·Granted Mar 10, 1998·30 cites·4 claims
- 2176US10687149B2MEMS microphoneTDK CORP·Filed 2019·Granted Jun 16, 2020·2 cites·10 claims
- 2275US6771463B2Thin-film coil and thin-film magnetic head having two patterned conductor layers that are coil-shaped and stackedTDK CORP·Filed 2001·Granted Aug 3, 2004·20 cites·4 claims
- 2375US6635408B2Resist pattern forming method, frame plating method and manufacturing method of thin-film magnetic headTDK CORP·Filed 2001·Granted Oct 21, 2003·13 cites·18 claims
- 2475US6373657B1Thin film magnetic head with magnetic film offsets at forefront surfaces thereofTDK CORP·Filed 1999·Granted Apr 16, 2002·23 cites·12 claims
- 2574US6558516B1Method of frame plating and method of forming magnetic pole of thin-film magnetic headTDK CORP·Filed 2000·Granted May 6, 2003·9 cites·5 claims
- 2674US5747198AResist pattern of T-shaped cross sectionTDK CORP·Filed 1996·Granted May 5, 1998·27 cites·7 claims
- 2773US6504678B1Thin-film magnetic head having a cavity formed between throat-height-defining magnetic layer and gap layerTDK CORP·Filed 2000·Granted Jan 7, 2003·9 cites·6 claims
- 2872US10917728B2MEMS microphoneTDK CORP·Filed 2019·Granted Feb 9, 2021·1 cites·8 claims
- 2972US6970323B2Micro device including a thin film wiring structure and method for fabricating the sameTDK CORP·Filed 2003·Granted Nov 29, 2005·14 cites·14 claims
- 3072US6582889B1Method for forming resist pattern and manufacturing method of thin-film elementTDK CORP·Filed 2000·Granted Jun 24, 2003·14 cites·27 claims
- 3171US11551896B2Magnetically actuated MEMS switchTDK CORP·Filed 2021·Granted Jan 10, 2023·0 cites·17 claims
- 3270US6780738B2Pattern forming method, method of making microdevice, method of making thin-film magnetic head, method of making magnetic head slider, method of making magnetic head apparatus, and method of making magnetic recording and reproducing apparatusTDK CORP·Filed 2003·Granted Aug 24, 2004·7 cites·10 claims
- 3370US5721078AMagnetoresistance thin film element formed through use of a resist pattern of T-shaped cross sectionTDK CORP·Filed 1996·Granted Feb 24, 1998·23 cites·21 claims
- 3469US7604910B2Exposure mask, method of forming resist pattern and method of forming thin film patternTDK CORP·Filed 2007·Granted Oct 20, 2009·2 cites·24 claims
- 3568US6480355B1Thin-film magnetic head and manufacturing method of the headTDK CORP·Filed 1999·Granted Nov 12, 2002·19 cites·6 claims
- 3667US7181827B2Method of forming magnetic layer patternTDK CORP·Filed 2004·Granted Feb 27, 2007·11 cites·11 claims
- 3767US5932396AMethod for forming magnetic poles in thin film magnetic headsTDK CORP·Filed 1997·Granted Aug 3, 1999·19 cites·10 claims
- 3866US7862737B2Planarizing methodTDK CORP·Filed 2007·Granted Jan 4, 2011·2 cites·7 claims
- 3966US7700482B2Patterned material layer, method of forming the same, microdevice, and method of manufacturing the sameTDK CORP·Filed 2006·Granted Apr 20, 2010·2 cites·12 claims
- 4065US7018548B2Conductive thin film pattern and method of forming the same, method of manufacturing thin film magnetic head, method of manufacturing thin film inductor, and method of manufacturing micro deviceTDK CORP·Filed 2003·Granted Mar 28, 2006·7 cites·14 claims
- 4164US11478874B2Method of processing inorganic material substrate, device, and method of manufacturing deviceTDK CORP·Filed 2020·Granted Oct 25, 2022·0 cites·12 claims
- 4264US11075041B2Magnetically actuated MEMS switchTDK CORP·Filed 2019·Granted Jul 27, 2021·0 cites·8 claims
- 4364US10460877B2Thin-film capacitor including groove portionsTDK CORP·Filed 2017·Granted Oct 29, 2019·1 cites·9 claims
- 4464US7816070B2Substrate used for immersion lithography process, method of manufacturing substrate used for immersion lithography process, and immersion lithographyTDK CORP·Filed 2007·Granted Oct 19, 2010·1 cites·4 claims
- 4563US11350221B2MEMS microphone moduleTDK CORP·Filed 2021·Granted May 31, 2022·0 cites·20 claims
- 4663US6916597B2Method for fabricating a resist pattern, a method for patterning a thin film and a method for manufacturing a micro deviceTDK CORP·Filed 2001·Granted Jul 12, 2005·8 cites·46 claims
- 4762US6289578B1Method of manufacturing a thin film magnetic head having a write element with aligned pole tipsTDK CORP·Filed 1999·Granted Sep 18, 2001·15 cites·19 claims
- 4861US6358674B1Method for manufacturing a thin film magnetic headTDK CORP·Filed 2000·Granted Mar 19, 2002·6 cites·8 claims
- 4960US7064367B2Magnetoresistive element, magnetic memory cell, and magnetic memory deviceTDK CORP·Filed 2004·Granted Jun 20, 2006·10 cites·22 claims
- 5060US6207466B1Method of manufacturing thin film magnetic headTDK CORP·Filed 1999·Granted Mar 27, 2001·14 cites·9 claims
Showing the top 50 of 101 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →