Joachim Hack — 17 Patents at Basf Se

Joachim Hack has been granted 17 US patents while listed as an inventor at Basf Se. The first was granted in 1981 and the most recent in January 1992. Joachim Hack ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Joachim Hack in Ludwigshafen, DE.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #	Title	Co-Inventors	Date
5084319	Disk-shaped magnetic recording media, their production and information stores containing these recording media	Hartmut Hibst, Arend Werner, Heinrich Mannsperger, Michael Hitzfeld, Werner Grau +2 more	1992-01-28
5050015	Method and arrangement for reducing wear in a magnetic storage means	Werner Grau, Werner Sickmueller, Heinrich Mannsperger, Helmut Jakusch	1991-09-17
4891114	Magnetic recording media	Michael Hitzfeld, Werner Grau	1990-01-02
4796137	Protective jacket for a disk-shaped recording medium	Dietrich Gruehn, Hubert Fehrenbach, Peter Rudolf, Norbert Holl	1989-01-03
4626944	Positioning device for scanning means in a disk drive unit	Klaus Schulze-Berge, Klaus Birkenmeier	1986-12-02
4623942	Method and arrangement for detecting error signals in a disk-drive, and a magnetic test disk therefor	Gerold Kraus, Walter Huber, Klaus Schulze-Berge, Roland Sold	1986-11-18
4597990	Preparation of magnetic recording media	Hermann Roller, Uwe Woweries, August Lehner, Werner Grau, Peter Nagel +1 more	1986-07-01
4551359	Production of magnetic recording media	August Lehner, Karl Krucker, Werner Balz, Karl H. Roemer, Peter Rudolf +2 more	1985-11-05
4534999	Production of magnetic recording media having a backing coating	Hermann Roller, August Lehner, Werner Grau, Werner Balz, Reinhold Baur	1985-08-13
4514937	Method for the surface treatment of magnetic recording media	Manfred Gehrung, Klaus Schoettle, Helmut Kreissler, Peter Rudolf, Friedrich Anslinger	1985-05-07
4438462	Document identification employing exchange-anisotropic magnetic material	Eberhard Koester, Manfred Steuerwald	1984-03-20
4430678	Drive apparatus for recording disks in which the disk is clamped between a driven recessed member and a rotatably mounted clamping member	Roland Brotzler, Klaus Schulze-Berge, Rudolf Angermann	1984-02-07
4396886	Document authentication by means of exchange-anisotropic magnetic material	Eberhard Koester, Manfred Steuerwald	1983-08-02
4346413	Magnetic head positioning servo arrangement for a system for recording/reproducing information on a magnetic recording medium, particularly on a flexible magnetic recording medium	—	1982-08-24
4327139	Rigid magnetic recording disk having perfluoropolyether lubricant	Dieter Schaefer, Herbert Motz, Dieter Mayer, Paul Deigner, Roland Falk	1982-04-27
4320171	Magnetic recording media containing elastomeric polyurethane binders in the magnetic coating	Herbert Motz, August Lehner, Heinrich Hartmann, Rudolf Bachmann, Hans-Joerg Hartmann +4 more	1982-03-16
4303951	Device for compensating unequal write fields in magnetic data-storage devices, especially in disc memories	—	1981-12-01

Joachim Hack — 17 Patents

Issued Patents All Time

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