Inventor · disambiguated record
Hiroaki Wakamatsu
Also filed as: WAKAMATSU HIROAKI
8 granted patents·264 citations·filing 1988–1997
89Inventor score
Technology areasG11B
Files withFUJITSU LTD8
Top patents by PatentIndex Score
8 records- 0189US5589262APerpendicular magnetic recording medium having a soft magnetic underlayer with a stripe magnetic domain structureFUJITSU LTD·Filed 1994·Granted Dec 31, 1996·59 cites·15 claims
- 0288US6011666ADisk unit and portable electronic equipmentFUJITSU LTD·Filed 1997·Granted Jan 4, 2000·70 cites·6 claims
- 0386US5914168AMagnetic recording medium and magnetic disc deviceFUJITSU LTD·Filed 1995·Granted Jun 22, 1999·59 cites·28 claims
- 0473US6038093AMagnetic recording/reproducing apparatus with a current supplying circuit for demagnetizing residual magnetization remaining at an end of a magnetic poleFUJITSU LTD·Filed 1997·Granted Mar 14, 2000·23 cites·8 claims
- 0567US5963385AMagnetic recording/reproducing apparatus and method for supplying a current to a magnetic head to stabilize a magnetized state of a magnet poleFUJITSU LTD·Filed 1997·Granted Oct 5, 1999·18 cites·17 claims
- 0661US5824920AApparatus for evaluating magnetic recording mediumFUJITSU LTD·Filed 1996·Granted Oct 20, 1998·17 cites·7 claims
- 0759US5726839AMagnetic head having bypass magnetic path and set magnetic reluctance relationshipFUJITSU LTD·Filed 1996·Granted Mar 10, 1998·15 cites·17 claims
- 0835US5047297AMagnetic recording medium and manufacturing method thereofFUJITSU LTD·Filed 1988·Granted Sep 10, 1991·3 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →