JU

John A. Underwood

HP HP: 35 patents #1,498 of 16,619Top 10%
Microsoft: 4 patents #10,696 of 40,388Top 30%
VA Valve: 2 patents #74 of 125Top 60%
Foxconn: 1 patents #3,106 of 5,504Top 60%
📍 Makati, OR: #1 of 1 inventorsTop 100%
Overall (All Time): #58,334 of 4,157,543Top 2%
48
Patents All Time

Issued Patents All Time

Showing 26–48 of 48 patents

Patent #TitleCo-InventorsDate
6386692 Ink container configured for use with compact supply station Bruce Cowger, John A. Barinaga, James E. Clark, Paul D. Gast, Susan M. Hmelar 2002-05-14
6364472 Method and apparatus for keying ink supply containers Susan M. Hmelar, David O. Merrill, Glen Eugene Schmidt, Mark J. Green, Thomas Cocklin +6 more 2002-04-02
6357848 Apparatus and method for reducing edge margin tolerances in a printing device with one or more supplies of print media Steve O. Rasmussen 2002-03-19
6347856 Test pattern implementation for ink-jet printhead alignment Dan Arquilevich, Braulio Soto, Charles S. Woodruff 2002-02-19
6345877 Automated ink-jet printhead alignment system Braulio Soto, Charles S. Woodruff, Dan Arquilevich, Rick M. Tanaka, Brent A Geske 2002-02-12
6322065 Hinged-arm pick mechanism Todd R. Medin, Richard Alan Kelley 2001-11-27
6312116 Ink cartridge having an integral pressurization apparatus John A. Barinaga, Bruce Cowger, Norman E. Pawlowski, Jr. 2001-11-06
6305795 Ink container having electronic and mechanical features enabling plug compatibility between multiple supply sizes Winthrop D. Childers, Michael L. Bullock, Bruce Cowger, Susan M. Hmelar, James E. Clark +3 more 2001-10-23
6234602 Automated ink-jet printhead alignment system Braulio Soto, Charles S. Woodruff, Dan Arquilevich, Rick M. Tanaka, Brent A Geske 2001-05-22
6206594 Print media level sensor and method for use in printing devices Steven B. Elgee 2001-03-27
6203147 Electrical and fluidic interface for an ink supply Robert L. Battey, Michael L. Bullock, John A. Barinaga, James E. Clark, Paul D. Gast +2 more 2001-03-20
6183077 Method and apparatus for keying ink supply containers Susan M. Hmelar, David O. Merrill, Glen Eugene Schmidt, Mark J. Green, Thomas Cocklin +6 more 2001-02-06
6142617 Ink container configured for use with compact supply station John A. Barinaga, Bruce Cowger, James E. Clark, Paul D. Gast, Susan M. Hmelar 2000-11-07
6109722 Ink jet printing system with pen alignment and method Mark D. Lund 2000-08-29
6079807 Print mode mapping for plain paper and transparency Christina J. Lindstrom, Mark D. Lund 2000-06-27
6033064 Inkjet printer with off-axis ink supply Norman E. Pawlowski, Jr., S. Dana Seccombe, Mark Hauck, John A. Barinaga, James M. Cameron 2000-03-07
5956057 Ink container having electronic and mechanical features enabling plug compatibility between multiple supply sizes Winthrop D. Childers, Michael L. Bullock, Bruce Cowger, Susan M. Hmelar, James E. Clark +3 more 1999-09-21
5844580 Ink container configured for use with a printing device having an out-of-ink sensing system John A. Barinaga, James M. Cameron, Winthrop D. Childers 1998-12-01
5844579 Out-of-ink sensing system for an ink-jet printer John A. Barinaga, James M. Cameron 1998-12-01
5774154 Apparatus for priming an ink delivery system in an ink-jet printer 1998-06-30
5547181 Media sheet pick and feed system 1996-08-20
5326617 Curl prevention using a transverse slit on tray-loaded film for printers Craig A. Wright 1994-07-05
4990011 Sheet alignment using reverse advance roll and stationary pick roll Anthony W Ebersole, Todd R. Medin 1991-02-05