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

Mark B. Knudson

ENEnteromedics: 35 patents #1 of 30Top 4%
RMRestore Medical: 23 patents #2 of 19Top 15%
PMPi Medical: 15 patents #1 of 30Top 4%
HEHeartstent: 10 patents #2 of 14Top 15%
INInteg: 9 patents #6 of 19Top 35%
MFMayo Foundation: 8 patents #114 of 1,749Top 7%
CMCortrak Medical: 7 patents #2 of 8Top 25%
Medtronic: 6 patents #1,567 of 6,325Top 25%
PEPercardia: 3 patents #8 of 34Top 25%
RLReshape Lifesciences: 3 patents #13 of 25Top 55%
APAccess Pharmaceuticals: 2 patents #4 of 22Top 20%
CPCardiac Pacemakers: 1 patents #841 of 1,214Top 70%
VEVesture: 1 patents #103 of 204Top 55%
Shoreview, MN: #9 of 657 inventorsTop 2%
Minnesota: #111 of 52,454 inventorsTop 1%
Overall (All Time): #8,269 of 4,157,543Top 1%
131 Patents All Time

Issued Patents All Time

Showing 101–125 of 131 patents

Patent #TitleCo-InventorsDate
6250307 Snoring treatment Timothy R. Conrad, Jerry C. Griffin 2001-06-26
6197050 Transmyocardial implant with compliance collar Robert A. Eno, Guy P. Vanney, Katherine S. Tweden 2001-03-06
6182668 Transmyocardial implant with induced tissue flap Katherine S. Tweden, Guy P. Vanney 2001-02-06
6123682 Closed chest coronary bypass William L. Giese 2000-09-26
6093166 Coronary bypass implant William L. Giese 2000-07-25
6080116 Interstitial fluid collection and constituent measurement Brian J. Erickson, Michael Hilgers, Tracy A. Hendrickson, J. Edward Shapland, Frank Solomon 2000-06-27
5944019 Closed chest coronary bypass William L. Giese 1999-08-31
5908029 Coronary artery bypass with reverse flow Katherine S. Tweden 1999-06-01
5820570 Interstitial fluid collection and constituent measurement Brian J. Erickson, Michael Hilgers, Tracy A. Hendrickson, J. Edward Shapland, Frank Solomon 1998-10-13
5820879 Method of delivering a lipid-coated condensed-phase microparticle composition Julio M. Fernandez 1998-10-13
5811124 Microparticles with high drug loading Julio M. Fernandez 1998-09-22
5807306 Polymer matrix drug delivery apparatus J. Edward Shapland, Keith R. Hildelbrand, Joel Racchini, Jin Shimada 1998-09-15
5755682 Method and apparatus for performing coronary artery bypass surgery William L. Giese 1998-05-26
5753261 Lipid-coated condensed-phase microparticle composition Julio M. Fernandez 1998-05-19
5746217 Interstitial fluid collection and constituent measurement Brian J. Erickson, Michael Hilgers, Tracy A. Hendrickson, J. Edward Shapland, Frank Solomon 1998-05-05
5654006 Condensed-phase microparticle composition and method Julio M. Fernandez 1997-08-05
5628730 Phoretic balloon catheter with hydrogel coating James Edward Shapland, Jin Shimada 1997-05-13
5582184 Interstitial fluid collection and constituent measurement Brian J. Erickson, Michael Hilgers, Tracy A. Hendrickson, J. Edward Shapland, Frank Solomon 1996-12-10
5499971 Method for iontophoretically delivering drug adjacent to a heart James Edward Shapland, Keith R. Hildebrandt 1996-03-19
5498238 Simultaneous angioplasty and phoretic drug delivery James Edward Shapland, Jin Shimada, Joel Racchini 1996-03-12
5458568 Porous balloon for selective dilatation and drug delivery Joel Racchini, James Edward Shapland, Jin Shimada, Keith R. Hildebrand 1995-10-17
5286254 Drug delivery apparatus and method James Edward Shapland, Jin Shimada 1994-02-15
5282785 Drug delivery apparatus and method James Edward Shapland, Jin Shimada, Keith R. Hildebrand 1994-02-01
5179951 Blood constituent measurement 1993-01-19
5146091 Body fluid constituent measurement utilizing an interference pattern 1992-09-08