Inventor · disambiguated record
Kenkichi Anagawa
Also filed as: ANAGAWA KENKICHI
22 granted patents·1 pending application·76 citations·filing 2007–2025
93Inventor score
Top patents by PatentIndex Score
23 records- 0193US8300359B2Perpendicular magnetic recording head and magnetic recording deviceHIRATA KEI·Filed 2009·Granted Oct 30, 2012·16 cites·14 claims
- 0290US8164853B2Perpendicular magnetic write head with side shield saturation magnetic flux density increasing away from magnetic poleHIRATA KEI·Filed 2010·Granted Apr 24, 2012·14 cites·8 claims
- 0385US8472137B2Magnetic head and method of manufacture thereof wherein the head includes a pole layer and non-magnetic layer having a continuous tapered face opposed to a trailing shieldHIRATA KEI·Filed 2010·Granted Jun 25, 2013·9 cites·14 claims
- 0485US7813085B2Thin-film magnetic head having laminate shields for tolerating external magnetic fieldTDK CORP·Filed 2007·Granted Oct 12, 2010·6 cites·27 claims
- 0582US8867168B2Magnetic head for perpendicular magnetic recording having a write shieldTDK CORP·Filed 2012·Granted Oct 21, 2014·6 cites·23 claims
- 0682US8233237B2Perpendicular magnetic write head and magnetic recording deviceANAGAWA KENKICHI·Filed 2010·Granted Jul 31, 2012·7 cites·6 claims
- 0781US10386170B2Angle sensor and angle sensor systemTDK CORP·Filed 2018·Granted Aug 20, 2019·2 cites·8 claims
- 0881US7948716B2Magnetic head for perpendicular magnetic recording with a shield and a pole layer having a top surface with first and second portions at different heights, and method of manufacturing sameSAE MAGNETICS HK LTD·Filed 2007·Granted May 24, 2011·5 cites·12 claims
- 0977US8064160B2Magnetic head for perpendicular magnetic recording with coil wound around pole layerOHTA NAOKI·Filed 2007·Granted Nov 22, 2011·3 cites·6 claims
- 1075US8102623B2Thin-film magnetic head with a magnetic pole having an inclined step at its top end section surface, magnetic head assembly with the thin-film magnetic head, magnetic disk drive apparatus with the magnetic head assembly, and manufacturing method of thin-film magnetic headANAGAWA KENKICHI·Filed 2007·Granted Jan 24, 2012·3 cites·12 claims
- 1175US2025306140A1Magnetic sensor and signal processing circuitTDK CORP·Filed 2025·Application pending·0 cites
- 1274US7961428B2Thin-film magnetic head having magnetic layer with non-magnetic layer therewithinTDK CORP·Filed 2007·Granted Jun 14, 2011·2 cites·33 claims
- 1373US12228621B2Magnetic sensor deviceTDK CORP·Filed 2022·Granted Feb 18, 2025·0 cites·8 claims
- 1468US10697799B2Angle sensor and angle sensor systemTDK CORP·Filed 2019·Granted Jun 30, 2020·0 cites·15 claims
- 1568US8665548B2Magnetic recording device and magnetic recording methodHIRATA KEI·Filed 2011·Granted Mar 4, 2014·2 cites·5 claims
- 1667US11536784B2Magnetic sensor and method of manufacturing suchTDK CORP·Filed 2021·Granted Dec 27, 2022·0 cites·20 claims
- 1764US8817417B2Perpendicular magnetic write head and magnetic recording deviceTDK CORP·Filed 2012·Granted Aug 26, 2014·1 cites·16 claims
- 1860US10533878B2Angle sensor and angle sensor systemTDK CORP·Filed 2017·Granted Jan 14, 2020·0 cites·15 claims
- 1952US9704511B2Perpendicular magnetic recording head with improved density recordingTDK CORP·Filed 2014·Granted Jul 11, 2017·0 cites·19 claims
- 2052US7817376B2Thin-film magnetic head having magnetic layer with non-magnetic portionTDK CORP·Filed 2007·Granted Oct 19, 2010·0 cites·24 claims
- 2144US10871381B2Angle sensor and angle sensor systemTDK CORP·Filed 2017·Granted Dec 22, 2020·0 cites·17 claims
- 2238US8208220B1Magnetic head, head assembly, and magnetic recording/reproducing apparatus to reduce risk of wide area track eraseOTA MINORU·Filed 2010·Granted Jun 26, 2012·0 cites·11 claims
- 2333US9741371B2Magnetic head for perpendicular magnetic recording including a write shieldTDK CORP·Filed 2015·Granted Aug 22, 2017·0 cites·6 claims
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