Inventor · disambiguated record
David M. Hopstock
Also filed as: HOPSTOCK DAVID M
8 granted patents·371 citations·filing 1978–2001
90Inventor score
Files withIMATION CORP2MINNESOTA MINING & MFG23M INNOVATIVE PROPERTIES CO1CORNING INC1UNIV MINNESOTA1
Top patents by PatentIndex Score
8 records- 0188US6650815B2Optical fiber encoded with data signalCORNING INC·Filed 2001·Granted Nov 18, 2003·36 cites·23 claims
- 0286US4192738AProcess for scavenging iron from tailings produced by flotation beneficiation and for increasing iron ore recoveryUS INTERIOR·Filed 1978·Granted Mar 11, 1980·50 cites·15 claims
- 0385US6253924B1Magnetic separator apparatus and methods regarding sameUNIV MINNESOTA·Filed 1998·Granted Jul 3, 2001·61 cites·14 claims
- 0485US5853846AConformable magnetic articles underlaid beneath traffic-bearing surfacesMINNESOTA MINING & MFG·Filed 1996·Granted Dec 29, 1998·96 cites·16 claims
- 0584US6468678B1Conformable magnetic articles for use with traffic bearing surfaces methods of making same systems including same and methods of use3M INNOVATIVE PROPERTIES CO·Filed 1997·Granted Oct 22, 2002·92 cites·28 claims
- 0658US5378384AProcess of making hexagonal magnetic ferrite pigment for high density magnetic recording applicationsMINNESOTA MINING & MFG·Filed 1991·Granted Jan 3, 1995·11 cites·16 claims
- 0755US5626956AHexagonal magnetic ferrite pigment for high density magnetic recording applicationsIMATION CORP·Filed 1993·Granted May 6, 1997·9 cites·11 claims
- 0853US5616414AHexagonal magnetic ferrite pigment for high density magnetic recording applicationsIMATION CORP·Filed 1995·Granted Apr 1, 1997·16 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →