PW

Palitha Wickramanayake

HP HP: 26 patents #745 of 16,619Top 5%
Overall (All Time): #117,276 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
12044946 Applications of an electrokinetic device for an imaging system James Elmer Abbott, Jr., Timothy Koch, Cassady Roop 2024-07-23
11693289 Applications of an electrokinetic device for an imaging system James Elmer Abbott, Jr., Timothy Koch, Cassady Roop 2023-07-04
11578150 Refractive index matched resin for electrophoretic displays and other applications James Elmer Abbott, Jr., Timothy Koch, Cassady Roop 2023-02-14
11454855 Applications of an electrokinetic device for an imaging system James Elmer Abbott, Jr., Timothy Koch, Cassady Roop 2022-09-27
11174328 Refractive index matched resin for electrophoretic displays and other applications James Elmer Abbott, Jr., Timothy Koch, Cassady Roop 2021-11-16
10583660 Printhead device including shipping fluid Curtis Voss 2020-03-10
10195861 Printhead device including shipping fluid Curtis Voss 2019-02-05
9193884 Ink composition Sundar Vasudevan, Richard J. McManus 2015-11-24
9187665 Inkjet ink with self-dispersed pigment Sundar Vasudevan, Richard J. McManus 2015-11-17
8287633 Restoration of black to color bleed performance of amphoteric pigment dispersion based inks of low pigment loads 2012-10-16
8052786 Amphoteric pigment dispersion containing ink formulations, methods of using ink formulations, and systems using ink formulations 2011-11-08
7919176 Ink-jet media porous coatings with chemically attached active ligands 2011-04-05
7740920 Chemically-bonded porous coatings that enhance humid fastness and fade fastness performance of ink jet images James P. Shields 2010-06-22
7699461 Permanent fixation of dyes to surface-modified inorganic particulate-coated media Vladek Kasperchik, James P. Shields, Gary Allan Ungefug 2010-04-20
7677720 Chemically-modified coatings for enhanced performance of ink-jet images Kent D. Vincent, Sivapackia Ganapathiappan, Sean Zhang 2010-03-16
7666256 Amphoteric pigment dispersion containing ink formulations, methods of using ink formulations, and systems using ink formulations 2010-02-23
7638166 Method of preparing active ligand-modified inorganic porous coatings on ink-jet media 2009-12-29
7449217 Chemically-bonded porous coatings that enhance humid fastness and fade fastness performance of ink jet images James P. Shields 2008-11-11
7226647 Permanent fixation of dyes to surface-modified inorganic particulate-coated media Vladek Kasperchik, James P. Shields, Gary Allan Ungefug 2007-06-05
6951672 Chemically-modified coatings for enhanced performance of ink-jet images Kent D. Vincent, Sivapackia Ganapathiappan, Sean Zhang 2005-10-04
6905729 Active ligand-modified inorganic porous coatings for ink-jet media 2005-06-14
6805736 Pen-compatible black and color inkjet inks having improved bleed control 2004-10-19
6300391 Inks containing glycol ethers and specific polymers for dry time and bleed improvements in ink-jet printing inks Dennis P. Parazak 2001-10-09
6036759 Black to color bleed control in ink-jet printing inks Raymond Adamic 2000-03-14
6019827 Reliability enhancement of microemulsion-based ink-jet inks Dennis P. Parazak 2000-02-01