Inventor · disambiguated record
Norihiro Ookawa
Also filed as: OOKAWA NORIHIRO
9 granted patents·1 pending application·77 citations·filing 2003–2013
87Inventor score
Files withHITACHI GLOBAL STORAGE TECH6HGST Netherlands BV1OOKAWA NORIHIRO1SAKAMOTO KOJI1WATANABE KATSURO1
Top patents by PatentIndex Score
10 records- 0191US7710685B2Magnetic head main pole with leading and trailing edges of different lengths and progessively increasing cross-sectional area in a height-directionHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted May 4, 2010·12 cites·7 claims
- 0290US7177121B2Magnetoresistive sensor with random crystal orientation underlayer and magnetic domain control film center aligned with free layerHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Feb 13, 2007·34 cites·7 claims
- 0381US7716812B2Method of manufacturing a magnetic headHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted May 18, 2010·4 cites·12 claims
- 0480US7468870B2Magnetoresistive head, with second magnetic domain control layers and manufacturing method thereofHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Dec 23, 2008·11 cites·22 claims
- 0575US8976492B1Magnetic head having two domain control layers for stabilizing magnetization of the hard bias layerHGST Netherlands BV·Filed 2013·Granted Mar 10, 2015·3 cites·20 claims
- 0668US8568602B2Method of manufacturing a magnetic read sensor having a low resistance cap structureSAKAMOTO KOJI·Filed 2011·Granted Oct 29, 2013·2 cites·14 claims
- 0768US7675715B2Magnetoresistive head and fabricating method thereof, and read write separation type headHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Mar 9, 2010·6 cites·18 claims
- 0861US7209327B2Magnetoresistive head having magnetic domain control film in contact with underlayer and with ends of free layerHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Apr 24, 2007·4 cites·6 claims
- 0952US2009073608A1Perpendicular magnetic recording headOOKAWA NORIHIRO·Filed 2008·Application pending·0 cites
- 1048US8537503B2CPP structure magnetoresistive headWATANABE KATSURO·Filed 2009·Granted Sep 17, 2013·1 cites·20 claims
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