Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DJ

David Johnson — 38 Patents

UUUnaxis Usa: 8 patents #2 of 17Top 15%
CRCray Research: 7 patents #22 of 208Top 15%
PLPlasma-Therm: 2 patents #10 of 38Top 30%
KFKraft General Foods: 2 patents #56 of 377Top 15%
MSMerit Medical Systems: 1 patents #173 of 330Top 55%
OEOtis Engineering: 1 patents #122 of 228Top 55%
ASAviation Communication & Surveillance Systems: 1 patents #23 of 39Top 60%
URU.S. Natural Resources: 1 patents #34 of 68Top 50%
CCCray Computer: 1 patents #7 of 16Top 45%
DFDfine: 1 patents #23 of 29Top 80%
LTLuxell Technologies: 1 patents #4 of 5Top 80%
Muskegon, MI: #2 of 391 inventorsTop 1%
Michigan: #1,487 of 86,293 inventorsTop 2%
Overall (All Time): #84,675 of 4,157,543Top 3%
38 Patents All Time
David Johnson has been granted 38 US patents while listed as an inventor at Unaxis Usa. The first was granted in 1980 and the most recent in October 2024. David Johnson ranks #84,675 of 4,157,543 US inventors in our database (top 2.0%). Patent records list David Johnson in Muskegon, MI, US.

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12115326 Inflation device with toggle-locking trigger Christopher Cindrich, Richard P. Jenkins, Michael Dean Haslam, Craig Purdy, Gregory R. McArthur +3 more 2024-10-15 $34,465,000
11172970 High-pressure syringe with pressure reduction Craig Purdy, Eron Flory, Nate Shirley 2021-11-16
8187483 Method to minimize CD etch bias Jason Plumhoff, Sunil Srinivasan, Russell Westerman 2012-05-29
8070720 Methods for incorporating a drug into an elastomeric medical device 2011-12-06 $13,211,000
8016799 Catheter having a detachable tip Stephen Nash, Patricia O'Beirne, Stephen Gormley, Grace Kelly 2011-09-13 $10,479,000
7959819 Method and apparatus for reducing aspect ratio dependent etching in time division multiplexed etch processes Shouliang Lai, Russell Westerman 2011-06-14
7867403 Temperature control method for photolithographic substrate Jason Plumhoff, Larry Ryan, John Nolan, Russell Westerman 2011-01-11
7381650 Method and apparatus for process control in time division multiplexed (TDM) etch processes Russell Westerman, Mike Teixeira, Shouliang Lai 2008-06-03
7372436 OLED display with contrast enhancing interference members Alexey Krasnov, Richard Wood, Peter G. Hofstra 2008-05-13
7115520 Method and apparatus for process control in time division multiplexed (TDM) etch process Shouliang Lai, Russell Westerman 2006-10-03
7101805 Envelope follower end point detection in time division multiplexed processes Russell Westerman 2006-09-05
7008877 Etching of chromium layers on photomasks utilizing high density plasma and low frequency RF bias Christopher Constantine, Jason Plumhoff, Russell Westerman 2006-03-07
6982175 End point detection in time division multiplexed etch processes Russell Westerman 2006-01-03
6924235 Sidewall smoothing in high aspect ratio/deep etching using a discrete gas switching method Russell Westerman, Shouliang Lai 2005-08-02
6905626 Notch-free etching of high aspect SOI structures using alternating deposition and etching and pulsed plasma Russell Westerman, Shouliang Lai 2005-06-14
6846747 Method for etching vias Russell Westerman 2005-01-25
6638270 Medical dressing assembly and associated method of using the same 2003-10-28
6617997 Method of determining radio frequency link reliability in an aircraft tracking system Kathryn W. Ybarra 2003-09-09
6471685 Medical dressing assembly and associated method of using the same 2002-10-29
6258217 Rotating magnet array and sputter source Edmond A. Richards, Paul Fournier, Abdul Lateef, David G. Lishan, Shinzo Onishi +1 more 2001-07-10
6071822 Etching process for producing substantially undercut free silicon on insulator structures John F. Donohue, Michael W. DeVre 2000-06-06
5547133 Manufacture process for ground oat cereal Lynn Rogers, Robert D. Maneval, Daryl W. Bashor 1996-08-20
5368077 Zero lead planer Charles L. Croghan 1994-11-29
5211565 High density interconnect apparatus Nicholas J. Krajewski, Carl D. Breske, David R. Kiefer, Kent T. McDaniel, William T. Moore +3 more 1993-05-18 $3,234,000
5204130 Reclosable container for sliced food products John F. McDevitt, Denis H. Nelson 1993-04-20