PW

Palitha Wickramanayake

HP HP: 26 patents #745 of 16,619Top 5%
📍 Corvallis, OR: #100 of 1,763 inventorsTop 6%
🗺 Oregon: #1,254 of 28,073 inventorsTop 5%
Overall (All Time): #117,276 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
5713989 Bleed alleviated aqueous pigment dispersion-based ink-jet ink compositions Dennis P. Parazak 1998-02-03
5565022 Fast drying, bleed-free ink-jet ink compositions 1996-10-15
5531816 Bleed-alleviated, waterfast, pigment-based ink-jet ink compositions 1996-07-02
5342440 Black-to-color bleed control in thermal ink-jet printing 1994-08-30
5226957 Solubilization of water-insoluble dyes via microemulsions for bleedless, non-threading, high print quality inks for thermal ink-jet printers John R. Moffatt 1993-07-13
5062893 Ink formulations by mixing anionic waterfast dyes containing two or more carboxyl groups Raymond Adamic, Suraj L. Hindagolla, Garold E. Radke, David J. Halko 1991-11-05