Inventor · disambiguated record
Koichi Otani
Also filed as: OTANI KOICHI
18 granted patents·2 pending applications·101 citations·filing 1996–2025
92Inventor score
Top patents by PatentIndex Score
20 records- 0190US8248728B2Thin-film magnetic head having a magnetic pole formed of a plating filmYAMAGUCHI ATSUSHI·Filed 2010·Granted Aug 21, 2012·18 cites·7 claims
- 0281US7948716B2Magnetic 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
- 0377US9824700B1Manufacturing method for a magnetic head including a main pole and a write shieldTDK CORP·Filed 2016·Granted Nov 21, 2017·3 cites·5 claims
- 0476US7826175B2Thin-film magnetic head including two magnetic layers and flat spiral coil, and method of manufacturing sameTDK CORP·Filed 2007·Granted Nov 2, 2010·3 cites·7 claims
- 0576US7796359B2Magnetic head for perpendicular magnetic recording and method of manufacturing the same, the magnetic head including pole layer and two shields sandwiching the pole layerTDK CORP·Filed 2007·Granted Sep 14, 2010·3 cites·22 claims
- 0675US8000064B2Thin-film magnetic head for perpendicular magnetic recording and method of making the sameTDK CORP·Filed 2007·Granted Aug 16, 2011·8 cites·9 claims
- 0775US6003380AStrain gage pressure sensor wherein a gap is maintained between the diaphragm and the substrateFUJIKOKI CORP·Filed 1997·Granted Dec 21, 1999·40 cites·33 claims
- 0873US7808743B2Perpendicular magnetic write head having a structure that suppresses unintended erasure of information on a write medium at a non-writing timeTDK CORP·Filed 2007·Granted Oct 5, 2010·2 cites·12 claims
- 0973US7787215B2Thin film magnetic head in which thermal protrusion is suppressed and method of forming the sameTDK CORP·Filed 2007·Granted Aug 31, 2010·2 cites·17 claims
- 1066US7995308B2Magnetic head for perpendicular magnetic recording and method of manufacturing same, the magnetic head incuding pole layer and two shields sandwiching the pole layerTDK CORP·Filed 2007·Granted Aug 9, 2011·1 cites·13 claims
- 1164US2025298096A1Magnetic sensor device, magnetic sensor system, and correction methodTDK CORP·Filed 2025·Application pending·0 cites
- 1262US8117737B2Method of manufacturing magnetic head for perpendicular magnetic recording with shield around main magnetic poleWATANABE HISAYOSHI·Filed 2009·Granted Feb 21, 2012·1 cites·7 claims
- 1356US5863448AManufacturing method for a thin film magnetic headREAD RITE SMI CORP·Filed 1996·Granted Jan 26, 1999·15 cites·3 claims
- 1451US2010084262A1Manufacturing method of perpendicular magnetic recording headTDK CORP·Filed 2008·Application pending·0 cites
- 1550US8072231B2Testing method of wafer with thin-film magnetic heads and manufacturing method of thin-film magnetic headTOBA ISAMU·Filed 2009·Granted Dec 6, 2011·0 cites·14 claims
- 1647US8325440B2Magnetic head including a pole layer and an antireflection film sandwiched by two shieldsHARADA TATSUYA·Filed 2007·Granted Dec 4, 2012·0 cites·13 claims
- 1741US10527683B2Magnetic sensor deviceTDK CORP·Filed 2018·Granted Jan 7, 2020·0 cites·13 claims
- 1841US8404431B1Method for manufacturing thin-film magnetic headHATATE HITOSHI·Filed 2011·Granted Mar 26, 2013·0 cites·3 claims
- 1939US8760805B2Thin film magnetic head, thin film magnetic head device, and magnetic recording/reproducing apparatusWATANABE HISAYOSHI·Filed 2011·Granted Jun 24, 2014·0 cites·10 claims
- 2038US8323517B2Method of forming magnetic pole section of perpendicular magnetic recording type thin-film magnetic head and manufacturing method of perpendicular magnetic recording type thin-film magnetic headWATANABE HISAYOSHI·Filed 2010·Granted Dec 4, 2012·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →