Inventor · disambiguated record
Roger C. Callahan
Also filed as: CALLAHAN ROGER · CALLAHAN ROGER C
8 granted patents·3 pending applications·33 citations·filing 2006–2019
84Inventor score
Files withASYLUM RESEARCH CORP2OXFORD INSTR PLC2PROKSCH ROGER2PROKSCH ROGER B2OXFORD INSTR ASYLUM RES CORP1
Top patents by PatentIndex Score
11 records- 0192US8024963B2Material property measurements using multiple frequency atomic force microscopyASYLUM RESEARCH CORP·Filed 2008·Granted Sep 27, 2011·11 cites·3 claims
- 0286US9366693B2Variable density scanningOXFORD INSTR ASYLUM RES CORP·Filed 2015·Granted Jun 14, 2016·4 cites·22 claims
- 0384US7941286B2Variable density scanningASYLUM RESEARCH CORP·Filed 2006·Granted May 10, 2011·9 cites·16 claims
- 0483US8489356B2Variable density scanningPROKSCH ROGER B·Filed 2011·Granted Jul 16, 2013·5 cites·33 claims
- 0579US10215773B2Material property measurements using multiple frequency atomic force microscopyOXFORD INSTR PLC·Filed 2016·Granted Feb 26, 2019·1 cites·6 claims
- 0670US9921242B2Automated atomic force microscope and the operation thereofOXFORD INSTRUMENTS ASYLUM RES INC·Filed 2016·Granted Mar 20, 2018·1 cites·19 claims
- 0770US2019195910A1Material Property Measurements Using Multiple Frequency Atomic Force MicroscopyOXFORD INSTR PLC·Filed 2019·Application pending·0 cites
- 0868US8555711B2Material property measurements using multiple frequency atomic fore microscopyPROKSCH ROGER·Filed 2011·Granted Oct 15, 2013·1 cites·26 claims
- 0967US9383388B2Automated atomic force microscope and the operation thereofOXFORD INSTR ASYLUM RES INC·Filed 2015·Granted Jul 5, 2016·1 cites·18 claims
- 1055US2014041084A1Material Property Measurements Using Multiple Frequency Atomic Fore MicroscopyPROKSCH ROGER·Filed 2013·Application pending·0 cites
- 1148US2015026846A1Variable Density ScanningPROKSCH ROGER B·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →