Inventor · disambiguated record
Hermann Roller
Also filed as: ROLLER HERMANN
24 granted patents·119 citations·filing 1974–1994
95Inventor score
Top patents by PatentIndex Score
24 records- 0164US4018967AMagnetic recording tapeBASF AG·Filed 1974·Granted Apr 19, 1977·9 cites·6 claims
- 0261US4567108AMagnetic recording mediaBASF AG·Filed 1984·Granted Jan 28, 1986·11 cites·1 claims
- 0360US4360377AFerromagnetic metal particles, consisting essentially of iron and carrying a surface coating, and their productionBASF AG·Filed 1981·Granted Nov 23, 1982·14 cites·4 claims
- 0456US5082737AMagnetic recording media having a branched thermoplastic polyurethane binder containing a polysiloxane component in the main chainBASF AG·Filed 1990·Granted Jan 21, 1992·14 cites·11 claims
- 0555US5543226AMagnetic recording mediaBASF MAGNETICS GMBH·Filed 1992·Granted Aug 6, 1996·10 cites·4 claims
- 0650US4018968ACoated magnetic recording mediaBASF AG·Filed 1974·Granted Apr 19, 1977·10 cites·5 claims
- 0743US5130202AMagnetic recording medium containing an isocyanate-free branched thermoplastic polyurethane binder resin with urea groups at the chain endsBASF AG·Filed 1990·Granted Jul 14, 1992·5 cites·7 claims
- 0842US4000336AProduction of magnetic recording mediaBASF AG·Filed 1974·Granted Dec 28, 1976·3 cites·10 claims
- 0940US5120608AMagnetic recording media comprising a polyurethane binder resin containing perfluoro groupsBASF AG·Filed 1990·Granted Jun 9, 1992·4 cites·11 claims
- 1040US5085889AProcess for the preparation of magnetic particle dispersions using ball mills and grinding mediaBASF AG·Filed 1990·Granted Feb 4, 1992·10 cites·4 claims
- 1139US4534999AProduction of magnetic recording media having a backing coatingBASF AG·Filed 1984·Granted Aug 13, 1985·3 cites·3 claims
- 1236US4895764AMagnetic recording mediaBASF AG·Filed 1988·Granted Jan 23, 1990·5 cites·6 claims
- 1335US4597990APreparation of magnetic recording mediaBASF AG·Filed 1985·Granted Jul 1, 1986·5 cites·5 claims
- 1434US5346761AFlexible magnetic recording media having a backing coating containing a polyurethane resin having a phosphate group and precipated silicaBASF MAGNETICS GMBH·Filed 1993·Granted Sep 13, 1994·3 cites·2 claims
- 1534US5330784AProcess of producing a flexible magnetic recording media having a backing coatingBASF MAGNETICS GMBH·Filed 1993·Granted Jul 19, 1994·2 cites·5 claims
- 1633US4656093AMagnetic recording mediaBASF AG·Filed 1984·Granted Apr 7, 1987·2 cites·3 claims
- 1732US4775553AProduction of magnetic recording mediaBASF AG·Filed 1986·Granted Oct 4, 1988·4 cites·4 claims
- 1830US5419959AMagnetic recording medium having an infra-red light transparent balkcoat layerBASF MAGNETICS GMBH·Filed 1994·Granted May 30, 1995·2 cites·6 claims
- 1929US5217810AMagnetic recording medium having a magnetic layer containing chromium dioxide particles and linolenic acidBASF AG·Filed 1992·Granted Jun 8, 1993·1 cites·1 claims
- 2029US4645723AProduction of magnetic recording media possessing a backing coating, and magnetic recording media thus producedBASF AG·Filed 1985·Granted Feb 24, 1987·1 cites·4 claims
- 2129US4581296AMagnetic recording mediaBASF AG·Filed 1985·Granted Apr 8, 1986·1 cites·1 claims
- 2228US5075179AMagnetic recording mediaBASF AG·Filed 1989·Granted Dec 24, 1991·0 cites·2 claims
- 2327US5064721AMagnetic recording mediaBASF AG·Filed 1988·Granted Nov 12, 1991·0 cites·3 claims
- 2423US5470650AMagnetic recording mediaBASI MAGNETICS GMBH·Filed 1993·Granted Nov 28, 1995·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Hermann Roller files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →