Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RJ

Raymond P. Johnston — 67 Patents

3M: 65 patents #83 of 11,543Top 1%
PRPromerus: 1 patents #95 of 140Top 70%
SPSolventum Intellectual Properties: 1 patents #143 of 387Top 40%
Lake Elmo, MN: #4 of 301 inventorsTop 2%
Minnesota: #504 of 52,454 inventorsTop 1%
Overall (All Time): #31,619 of 4,157,543Top 1%
67 Patents All Time

Issued Patents All Time

Showing 51–67 of 67 patents

Patent #TitleCo-InventorsDate
6690360 Liquid proof switch array Jennifer R. Yi, Brian E. Spiewak 2004-02-10
6677175 Optical waveguides and methods for making the same Xiao-Mei Zhao, Ramakrishna Ravikiran, Phillip S. Neal, Robert A. Shick, James E. Watson +2 more 2004-01-13
6555261 Microstructured flow fields Krzysztof A. Lewinski, Thomas Herdtle, David A. Ylitalo 2003-04-29
6531206 Microstructured surface film assembly for liquid acquisition and transport Sara Mortenson, Douglas A. Huntley, Stephanie B. Castiglione 2003-03-11
6524488 Method of filtering certain particles from a fluid using a depth loading filtration media Thomas I. Insley 2003-02-25
6514412 Microstructured separation device Thomas I. Insley 2003-02-04
6431695 Microstructure liquid dispenser Thomas I. Insley 2002-08-13
6420622 Medical article having fluid control film Matthew T. Scholz, Steven B. Heinecke, Charles A. Hentzen 2002-07-16
6381846 Microchanneled active fluid heat exchanger method Thomas I. Insley 2002-05-07
6375871 Methods of manufacturing microfluidic articles James G. Bentsen, Rolf W. Biernath, Richard J. Poirier 2002-04-23
6372954 Liquid management member for absorbent articles Leigh E. Wood, Allen L. Noreen 2002-04-16
6290685 Microchanneled active fluid transport devices Thomas I. Insley, Randall L. Knoll 2001-09-18
6223401 Intermeshable articles Joseph M. D'Sa, Paul E. Humpal, Vincent W. King 2001-05-01
6080243 Fluid guide device having an open structure surface for attachement to a fluid transport source Thomas I. Insley 2000-06-27
5728446 Liquid management film for absorbent articles Robert T. Fehr, James A. Servatius 1998-03-17
5514120 Liquid management member for absorbent articles Leigh E. Wood, Allen L. Noreen 1996-05-07
5387458 Articles exhibiting durable fluorescence with an ultraviolet screening layer Lee A. Pavelka, David M. Burns, Edward S. Shinbach 1995-02-07