Inventor · disambiguated record
Hirohisa Ishihara
Also filed as: ISHIHARA HIROHISA
11 granted patents·2 pending applications·104 citations·filing 1997–2007
90Inventor score
Top patents by PatentIndex Score
13 records- 0189US7145752B2Magnetic head apparatus having magnetic head slider and magnetic disk apparatus equipped with magnetic head apparatusALPS ELECTRIC CO LTD·Filed 2004·Granted Dec 5, 2006·32 cites·15 claims
- 0281US6728069B2Magnetic head slider having protrusions with high abrasion resistance provided on the medium-facing surface and manufacturing method thereforALPS ELECTRIC CO LTD·Filed 2000·Granted Apr 27, 2004·13 cites·9 claims
- 0379US7130154B2Magnetic head slider having protrusions provided on the medium-facing surface and manufacturing method thereforALPS ELECTRIC CO LTD·Filed 2003·Granted Oct 31, 2006·11 cites·9 claims
- 0475US6717772B2Magnetic head slider having protrusions provided on the medium-facing surface and manufacturing method thereforALPS ELECTRIC CO LTD·Filed 2003·Granted Apr 6, 2004·8 cites·3 claims
- 0567US6639756B2Magnetic head having raised element and magnetic head apparatus using the sameALPS ELECTRIC CO LTD·Filed 2001·Granted Oct 28, 2003·6 cites·64 claims
- 0666US7940497B2Magnetic head device having rear positive pressure surface and rear side positive pressure surfaceTDK CORP·Filed 2006·Granted May 10, 2011·5 cites·10 claims
- 0758US6839203B2Magnetic head having raised element and magnetic head apparatus using the sameALPS ELECTRIC CO LTD·Filed 2003·Granted Jan 4, 2005·3 cites·4 claims
- 0858US6101066AMagnetic head, magnetic recording/reproducing apparatusALPS ELECTRIC CO LTD·Filed 1997·Granted Aug 8, 2000·14 cites·5 claims
- 0951US6657819B2Magnetic head having protrusion on medium opposing surface and magnetic recording apparatusALPS ELECTRIC CO LTD·Filed 2000·Granted Dec 2, 2003·2 cites·6 claims
- 1049US6172850B1Floating type magnetic head with non-magnetic thin film coating pattern to reduce starting frictionALPS ELECTRIC CO LTD·Filed 1997·Granted Jan 9, 2001·9 cites·16 claims
- 1148US2007211385A1Magnetic head device capable of stabilizing the floating distance between a magnetic functional unit and the surface of a recording mediumALPS ELECTRIC CO LTD·Filed 2007·Application pending·0 cites
- 1246US2008062566A1Magnetic head slider with crown profile and fabrication method for the magnetic head sliderALPS ELECTRIC CO LTD·Filed 2007·Application pending·0 cites
- 1332US6591478B2Method of producing magnetic headALPS ELECTRIC CO LTD·Filed 1999·Granted Jul 15, 2003·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →