Inventor · disambiguated record
James H. C. Harper
Also filed as: HARPER JAMES H · HARPER JAMES H C
7 granted patents·361 citations·filing 1976–2016
89Inventor score
Files withMINNESOTA MINING & MFG43M INNOVATIVE PROPERTIES CO1Attenti Electronic Monitoring Ltd1MINNEOTA MINING AND MANUFACTUR1
Top patents by PatentIndex Score
7 records- 0194US4102562ARetroreflective transfer sheet materialMINNESOTA MINING & MFG·Filed 1976·Granted Jul 25, 1978·104 cites·12 claims
- 0286US5077117APavement marking material with rupturing top layerMINNESOTA MINING & MFG·Filed 1990·Granted Dec 31, 1991·61 cites·11 claims
- 0379US5981033APavement marking tape3M INNOVATIVE PROPERTIES CO·Filed 1997·Granted Nov 9, 1999·48 cites·22 claims
- 0479US5453320APavement marking materialMINNESOTA MINING & MFG·Filed 1993·Granted Sep 26, 1995·54 cites·11 claims
- 0577US4901738ALaser shieldMINNESOTA MINING & MFG·Filed 1988·Granted Feb 20, 1990·57 cites·26 claims
- 0670US5759928ARetroreflective article with non-continuous top coatMINNEOTA MINING AND MANUFACTUR·Filed 1997·Granted Jun 2, 1998·33 cites·17 claims
- 0766US10360788B2Optical strap tamper detection with focusing lensAttenti Electronic Monitoring Ltd·Filed 2016·Granted Jul 23, 2019·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →