JT

Joseph M. Torgerson

HP HP: 66 patents #128 of 16,619Top 1%
📍 Philomath, OR: #1 of 87 inventorsTop 2%
🗺 Oregon: #449 of 28,073 inventorsTop 2%
Overall (All Time): #32,812 of 4,157,543Top 1%
66
Patents All Time

Issued Patents All Time

Showing 51–66 of 66 patents

Patent #TitleCo-InventorsDate
6491377 High print quality printhead Todd A. Cleland, Robert C. Maze, Michael D. Miller, Rama Prasad, Robert N. K. Browning +7 more 2002-12-10
6488363 Energy balanced printhead design Robert N. K. Browning, Mark H. MacKenzie, Patrick V. Boyd 2002-12-03
6481817 Method and apparatus for ejecting ink Bruce Cowger, David M. Hurst, Mark H. MacKenzie 2002-11-19
6478404 Ink jet printhead Robert N. K. Browning, Mark H. MacKenzie, Michael D. Miller, Angela Bakkom 2002-11-12
6431686 Fluid ejection device controlled by electrically isolated primitives Kenneth D. Saul, Angela Bakkom, Mark H. MacKenzie 2002-08-13
6422676 Compact ink jet printhead Robert N. K. Browning, Mark H. MacKenzie, Michael D. Miller, Angela Bakkom, Simon Dodd 2002-07-23
6412917 Energy balanced printhead design Robert N. K. Browning, Mark H. MacKenzie, Patrick V. Boyd 2002-07-02
6402279 Inkjet printhead and method for the same Bruce Cowger, David M. Hurst, Mark H. MacKenzie 2002-06-11
6398347 Energy balanced ink jet printhead David M. Hurst 2002-06-04
6315389 Printhead having different center to center spacings between rows of nozzles Angela Bakkom, Mark H. MacKenzie 2001-11-13
6309053 Ink jet printhead having a ground bus that overlaps transistor active regions David M. Hurst 2001-10-30
6305774 Printhead substrate having an ink jet primitive structure that spans both edges of an ink feed channel Angela Bakkom, Mark H. MacKenzie 2001-10-23
6267468 Printhead substrate having a mixture of single and double sided elongate ink feed channels Angela Bakkom, Mark H. MacKenzie 2001-07-31
6234598 Shared multiple terminal ground returns for an inkjet printhead Rama Prasad, Todd A. Cleland, Dale R. Oughton 2001-05-22
6190000 Method and apparatus for masking address out failures Paul R. Krouss 2001-02-20
6030066 Method and apparatus for ink jet printer color balance calibration and correction Guo Li, Francis E. Bockman 2000-02-29