Inventor · disambiguated record
Shigekazu Ohtomo
Also filed as: OHTOMO SHIGEKAZU
9 granted patents·113 citations·filing 1998–2006
88Inventor score
Technology areasG11B
Files withHITACHI GLOBAL STORAGE TECH6HITACHI GLOBAL STORAGE TEHCNOL1HITACHI LTD1HITACHI METALS LTD1
Top patents by PatentIndex Score
9 records- 0194US6791795B2Thin film magnetic head having inductive write portion features that provide high recording field strengthHITACHI LTD·Filed 2002·Granted Sep 14, 2004·51 cites·11 claims
- 0275US7142391B2Thin film head, producing method thereof and magnetic disk apparatusHITACHI GLOBAL STORAGE TEHCNOL·Filed 2001·Granted Nov 28, 2006·12 cites·18 claims
- 0372US7142392B2Thin film head, producing method thereof and magnetic disk apparatusHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Nov 28, 2006·7 cites·21 claims
- 0468US7310203B2Thin film magnetic head having magnetic pole edge layer for achieving both improvement of recording magnetic field and reduction of unnecessary leakage magnetic field, and method of manufacturing sameHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Dec 18, 2007·7 cites·21 claims
- 0568US7061726B2Thin film magnetic headHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Jun 13, 2006·7 cites·14 claims
- 0666US7042677B2Recording/producing separated type magnetic headHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted May 9, 2006·6 cites·6 claims
- 0765US7576952B2Magnetic write head including a magnetic pole piece having a protrusionHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Aug 18, 2009·6 cites·24 claims
- 0862US6101068AMR composite-type thin-film magnetic head having an upper pole with a high saturation magnetic flux density and an intermediate pole with a high resistivityHITACHI METALS LTD·Filed 1998·Granted Aug 8, 2000·17 cites·15 claims
- 0945US7821737B2Thin film magnetic head for high density recording and having a leading side magnetic pole piece of variable width at the media facing surfaceHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Oct 26, 2010·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →