Inventor · disambiguated record
Takayuki Ichihara
Also filed as: ICHIHARA TAKAYUKI
21 granted patents·227 citations·filing 1986–2013
94Inventor score
Files withHITACHI GLOBAL STORAGE TECH8HITACHI LTD3TSUCHIYA SEISAKUSHO3HGST Netherlands BV2AKAGI FUMIKO1
Top patents by PatentIndex Score
21 records- 0191US7892663B2Perpendicular magnetic recording media and magnetic storage apparatus using the sameHITACHI GLOBAL STORAGE TECH NL·Filed 2008·Granted Feb 22, 2011·16 cites·19 claims
- 0289US4708199AHeat exchangerTSUCHIYA SEISAKUSHO·Filed 1986·Granted Nov 24, 1987·91 cites·24 claims
- 0383US7556871B2Magnetic recording medium containing first and second recording layers, each layer containing a columnar structureHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jul 7, 2009·5 cites·18 claims
- 0482US8089829B2Thermally assisted recording media and systemAKAGI FUMIKO·Filed 2009·Granted Jan 3, 2012·7 cites·20 claims
- 0582US7033686B2Perpendicular magnetic recording medium and method of manufacturing itHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Apr 25, 2006·14 cites·5 claims
- 0681US7923134B2Perpendicular magnetic recording medium, method of manufacturing the same, and magnetic recording deviceHITACHI GLOBAL STORAGE TECH·Filed 2008·Granted Apr 12, 2011·4 cites·16 claims
- 0781US7645363B2Manufacturing of magnetic recording mediumHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jan 12, 2010·4 cites·22 claims
- 0880US8462468B2Magnetic head and magnetic disk drive to be used for shingled recording methodKATADA HIROYUKI·Filed 2011·Granted Jun 11, 2013·5 cites·6 claims
- 0978US6952380B2Apparatus and method for recording informationHITACHI LTD·Filed 2002·Granted Oct 4, 2005·13 cites·13 claims
- 1075US4892136AHeat exchangerTSUCHIYA SEISAKUSHO·Filed 1987·Granted Jan 9, 1990·39 cites·16 claims
- 1174US8767327B1Heat-assisted magnetic recording (HAMR) disk drive and method for writingHGST Netherlands BV·Filed 2013·Granted Jul 1, 2014·3 cites·16 claims
- 1272US8976484B1Magnetic recording with tilted media in the cross track directionHGST Netherlands BV·Filed 2013·Granted Mar 10, 2015·2 cites·20 claims
- 1367US7031091B2Magnetic recording apparatus and method of writing data at low temperatureHITACHI LTD·Filed 2003·Granted Apr 18, 2006·6 cites·15 claims
- 1462US9099140B2Thermal energy assisted mediumNEMOTO HIROAKI·Filed 2009·Granted Aug 4, 2015·0 cites·17 claims
- 1556US7625646B2Perpendicular magnetic recording medium and method of manufacturing itHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Dec 1, 2009·0 cites·7 claims
- 1656US6822818B2Magnetic hard disk driveHITACHI LTD·Filed 2001·Granted Nov 23, 2004·2 cites·20 claims
- 1752US7641774B2Manufacturing process for perpendicular magnetic recording mediumHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jan 5, 2010·0 cites·16 claims
- 1852US7625644B2Perpendicular magnetic recording medium and manufacturing of the sameHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Dec 1, 2009·0 cites·12 claims
- 1952US7184236B2Magnetic hard disk driveHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Feb 27, 2007·1 cites·2 claims
- 2049US8795478B2Method for manufacturing perpendicular magnetic recording mediumHONDA YOSHINORI·Filed 2005·Granted Aug 5, 2014·0 cites·20 claims
- 2145US5714030APlastisol type adhesive composition used in filter for alcohol-containing fuelTSUCHIYA SEISAKUSHO·Filed 1997·Granted Feb 3, 1998·15 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →