Inventor · disambiguated record
Joachim Hack
Also filed as: HACK JOACHIM
23 granted patents·260 citations·filing 1974–1989
96Inventor score
Files withBASF AG23
Top patents by PatentIndex Score
23 records- 0188US4157576ATrack-dependent transducer position control in magneto-dynamic storage devices, and a magnetic recording medium to which this method is applicableBASF AG·Filed 1977·Granted Jun 5, 1979·31 cites·21 claims
- 0284US4327139ARigid magnetic recording disk having perfluoropolyether lubricantBASF AG·Filed 1979·Granted Apr 27, 1982·25 cites·2 claims
- 0381US4084201AMagnetic disc, especially a flexible magnetic disc, for track adjustment and amplitude controlBASF AG·Filed 1976·Granted Apr 11, 1978·26 cites·10 claims
- 0480US4514937AMethod for the surface treatment of magnetic recording mediaBASF AG·Filed 1982·Granted May 7, 1985·23 cites·4 claims
- 0577US4346413AMagnetic head positioning servo arrangement for a system for recording/reproducing information on a magnetic recording medium, particularly on a flexible magnetic recording mediumBASF AG·Filed 1980·Granted Aug 24, 1982·20 cites·12 claims
- 0664US4320171AMagnetic recording media containing elastomeric polyurethane binders in the magnetic coatingBASF AG·Filed 1980·Granted Mar 16, 1982·22 cites·5 claims
- 0764US4018967AMagnetic recording tapeBASF AG·Filed 1974·Granted Apr 19, 1977·9 cites·6 claims
- 0859US5050015AMethod and arrangement for reducing wear in a magnetic storage meansBASF AG·Filed 1989·Granted Sep 17, 1991·12 cites·10 claims
- 0959US4623942AMethod and arrangement for detecting error signals in a disk-drive, and a magnetic test disk thereforBASF AG·Filed 1985·Granted Nov 18, 1986·13 cites·13 claims
- 1055US5084319ADisk-shaped magnetic recording media, their production and information stores containing these recording mediaBASF AG·Filed 1989·Granted Jan 28, 1992·9 cites·4 claims
- 1154US4074002AMagnetic recording media having a low coefficient of frictionBASF AG·Filed 1976·Granted Feb 14, 1978·12 cites·3 claims
- 1250US4018968ACoated magnetic recording mediaBASF AG·Filed 1974·Granted Apr 19, 1977·10 cites·5 claims
- 1348US4303951ADevice for compensating unequal write fields in magnetic data-storage devices, especially in disc memoriesBASF AG·Filed 1979·Granted Dec 1, 1981·5 cites·7 claims
- 1447US4396886ADocument authentication by means of exchange-anisotropic magnetic materialBASF AG·Filed 1980·Granted Aug 2, 1983·13 cites·2 claims
- 1542US4000336AProduction of magnetic recording mediaBASF AG·Filed 1974·Granted Dec 28, 1976·3 cites·10 claims
- 1640US4891114AMagnetic recording mediaBASF AG·Filed 1987·Granted Jan 2, 1990·4 cites·1 claims
- 1740US4430678ADrive apparatus for recording disks in which the disk is clamped between a driven recessed member and a rotatably mounted clamping memberBASF AG·Filed 1981·Granted Feb 7, 1984·5 cites·5 claims
- 1839US4534999AProduction of magnetic recording media having a backing coatingBASF AG·Filed 1984·Granted Aug 13, 1985·3 cites·3 claims
- 1938US4796137AProtective jacket for a disk-shaped recording mediumBASF AG·Filed 1986·Granted Jan 3, 1989·4 cites·17 claims
- 2035US4597990APreparation of magnetic recording mediaBASF AG·Filed 1985·Granted Jul 1, 1986·5 cites·5 claims
- 2134US4438462ADocument identification employing exchange-anisotropic magnetic materialBASF AG·Filed 1980·Granted Mar 20, 1984·5 cites·4 claims
- 2227US4626944APositioning device for scanning means in a disk drive unitBASF AG·Filed 1983·Granted Dec 2, 1986·1 cites·10 claims
- 2326US4551359AProduction of magnetic recording mediaBASF AG·Filed 1984·Granted Nov 5, 1985·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →