Inventor · disambiguated record
John A. Ramthun
Also filed as: RAMTHUN JOHN A
6 granted patents·98 citations·filing 1998–2014
83Inventor score
Files with3M INNOVATIVE PROPERTIES CO33M INNOVATION PROPERTIES COMPA1RIBNICK EVAN J1TARNOWSKI CATHERINE P1
Top patents by PatentIndex Score
6 records- 0191US7773226B2Web inspection calibration system and related methods3M INNOVATIVE PROPERTIES CO·Filed 2008·Granted Aug 10, 2010·23 cites·11 claims
- 0289US7957000B2Web inspection calibration system and related methods3M INNOVATIVE PROPERTIES CO·Filed 2010·Granted Jun 7, 2011·16 cites·10 claims
- 0383US9841383B2Multiscale uniformity analysis of a material3M INNOVATIVE PROPERTIES CO·Filed 2014·Granted Dec 12, 2017·4 cites·27 claims
- 0477US6252237B1Low cost thickness measurement method and apparatus for thin coatings3M INNOVATION PROPERTIES COMPA·Filed 1998·Granted Jun 26, 2001·47 cites·6 claims
- 0567US9031312B2Rapid processing and detection of non-uniformities in web-based materialsRIBNICK EVAN J·Filed 2011·Granted May 12, 2015·3 cites·12 claims
- 0663US9002072B2System for detection of non-uniformities in web-based materialsTARNOWSKI CATHERINE P·Filed 2012·Granted Apr 7, 2015·5 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →