Inventor · disambiguated record
Richard H. Ahlert
Also filed as: AHLERT RICHARD H · AHLERT RICHARD HENRY
12 granted patents·266 citations·filing 1986–1997
93Inventor score
Files withIBM12
Top patents by PatentIndex Score
12 records- 0187US5051288AThin film magnetic recording disk comprising alternating layers of a CoNi or CoPt alloy and a non-magnetic spacer layerIBM·Filed 1989·Granted Sep 24, 1991·64 cites·8 claims
- 0286US4654276AMagnetic recording medium with an underlayer and a cobalt-based magnetic layerIBM·Filed 1986·Granted Mar 31, 1987·35 cites·12 claims
- 0380US5227212AMagnetic recording disk, magnetoresistive read head, inductive write head combinationIBM·Filed 1991·Granted Jul 13, 1993·49 cites·16 claims
- 0479US4749628AMultilayered vertical magnetic recording mediumIBM·Filed 1986·Granted Jun 7, 1988·36 cites·1 claims
- 0577US5030494ACarbon overcoat for a thin film magnetic recording disk containing discrete clusters of tungsten (W) or tungsten carbide (WC) which project from the surface of the overcoatIBM·Filed 1989·Granted Jul 9, 1991·21 cites·6 claims
- 0667US5828532AGetter layer lead structure for eliminating resistance increase phenomena and embrittlement and method for making the sameIBM·Filed 1997·Granted Oct 27, 1998·16 cites·59 claims
- 0759US5897931AMagnetic disk with boron carbide overcoat layerIBM·Filed 1996·Granted Apr 27, 1999·10 cites·9 claims
- 0854US5552204AMagnetic disk with boron carbide overcoat layerIBM·Filed 1995·Granted Sep 3, 1996·8 cites·7 claims
- 0950US5492775ABarium ferrite thin film for longitudinal recordingIBM·Filed 1993·Granted Feb 20, 1996·13 cites·7 claims
- 1048US5149409AProcess for fabricating thin film metal alloy magnetic recording disks to selectively variable coercivitiesIBM·Filed 1991·Granted Sep 22, 1992·7 cites·6 claims
- 1143US5750231AMagnetic disk with boron carbide overcoat layerIBM·Filed 1996·Granted May 12, 1998·4 cites·26 claims
- 1240US6010601AMethod of making magnetic disk with boron carbide overcoat layer and adhesion layerIBM·Filed 1997·Granted Jan 4, 2000·3 cites·38 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →