Wickramanayake; Palitha

Patent Applications and Registrations

Patent applications and USPTO patent grants for Wickramanayake; Palitha.The latest application filed is for "refractive index matched resin for electrophoretic displays and other applications".

Company Profile

4.30.29

Wickramanayake; Palitha - Corvallis OR
Wickramanayake; Palitha - Corvalllis OR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Applications of an electrokinetic device for an imaging system Grant 11,454,855 - Abbott, Jr. , et al. September 27, 2	2022-09-27
Refractive Index Matched Resin For Electrophoretic Displays And Other Applications App 20220177617 - Abbott, Jr.; James E. ; et al.	2022-06-09
Refractive index matched resin for electrophoretic displays and other applications Grant 11,174,328 - Abbott, Jr. , et al. November 16, 2	2021-11-16
Applications Of An Electrokinetic Device For An Imaging System App 20200225552 - Abbott, JR.; James E. ; et al.	2020-07-16
Printhead device including shipping fluid Grant 10,583,660 - Voss , et al.	2020-03-10
Refractive Index Matched Resin For Electrophoretic Displays And Other Applications App 20190256625 - Abbott, JR.; James E. ; et al.	2019-08-22
Printhead Device Including Shipping Fluid App 20190160823 - Voss; Curtis ; et al.	2019-05-30
Printhead device including shipping fluid Grant 10,195,861 - Voss , et al. Fe	2019-02-05
Ink Compositions App 20180298213 - Bhatt; Jayprakash C. ; et al.	2018-10-18
Ink Compositions App 20180194958 - Bhatt; Jayprakash C. ; et al.	2018-07-12
Printhead Device Including Shipping Fluid App 20170320328 - Voss; Curtis ; et al.	2017-11-09
Ink composition Grant 9,193,884 - Vasudevan , et al. November 24, 2	2015-11-24
Inkjet ink with self-dispersed pigment Grant 9,187,665 - Vasudevan , et al. November 17, 2	2015-11-17
Ink Composition App 20140285593 - Vasudevan; Sundar ; et al.	2014-09-25
Inkjet Ink With Self-dispersed Pigment App 20120329921 - Vasudevan; Sundar ; et al.	2012-12-27
Restoration of black to color bleed performance of amphoteric pigment dispersion based inks of low pigment loads Grant 8,287,633 - Wickramanayake October 16, 2	2012-10-16
Amphoteric pigment dispersion containing ink formulations, methods of using ink formulations, and systems using ink formulations Grant 8,052,786 - Wickramanayake November 8, 2	2011-11-08
Ink-jet media porous coatings with chemically attached active ligands Grant 7,919,176 - Wickramanayake April 5, 2	2011-04-05
Chemically-bonded porous coatings that enhance humid fastness and fade fastness performance of ink jet images Grant 7,740,920 - Wickramanayake , et al. June 22, 2	2010-06-22
Amphoteric Pigment Dispersion Containing Ink Formulations, Methods Of Using Ink Formulations, And Systems Using Ink Formulations App 20100112221 - WICKRAMANAYAKE; Palitha	2010-05-06
Permanent fixation of dyes to surface-modified inorganic particulate-coated media Grant 7,699,461 - Kasperchik , et al. April 20, 2	2010-04-20
Chemically-modified coatings for enhanced performance of ink-jet images Grant 7,677,720 - Vincent , et al. March 16, 2	2010-03-16
Amphoteric pigment dispersion containing ink formulations, methods of using ink formulations, and systems using ink formulations Grant 7,666,256 - Wickramanayake February 23, 2	2010-02-23
Method of preparing active ligand-modified inorganic porous coatings on ink-jet media Grant 7,638,166 - Wickramanayake December 29, 2	2009-12-29
Additives for use in print media to reduce bronzing App 20090087594 - WICKRAMANAYAKE; Palitha ; et al.	2009-04-02
Ink Composition And Method For Forming The Same App 20090031922 - Rengaswamy; Sukanya ; et al.	2009-02-05
Chemically-bonded Porous Coatings That Enhance Humid Fastness And Fade Fastness Performance Of Ink Jet Images App 20090035490 - Wickramanayake; Palitha ; et al.	2009-02-05
Chemically-bonded porous coatings that enhance humid fastness and fade fastness performance of ink jet images Grant 7,449,217 - Wickramanayake , et al. November 11, 2	2008-11-11
Permanent Fixation of Dyes to Surface-Modified Inorganic Particulate-Coated Media App 20070188579 - Kasperchik; Vladek P. ; et al.	2007-08-16
Permanent fixation of dyes to surface-modified inorganic particulate-coated media Grant 7,226,647 - Kasperchik , et al. June 5, 2	2007-06-05
Amphoteric pigment dispersion containing ink formulations, methods of using ink formulations, and systems using ink formulations App 20060092250 - Wickramanayake; Palitha	2006-05-04
Restoration of black to color bleed performance of amphoteric pigment dispersion based inks of low pigment loads App 20060092252 - Wickramanayake; Palitha	2006-05-04
Chemically-modified coatings for enhanced performance of ink-jet images App 20050270350 - Vincent, Kent D. ; et al.	2005-12-08
Emulsion with discontinouous phase including particle sol App 20050227096 - Harding, Phil ; et al.	2005-10-13
Chemically-modified coatings for enhanced performance of ink-jet images Grant 6,951,672 - Vincent , et al. October 4, 2	2005-10-04
Active ligand-modified inorganic porous coatings for ink-jet media Grant 6,905,729 - Wickramanayake June 14, 2	2005-06-14
Permanent fixation of dyes to surface-modified inorganic particulate-coated media App 20050084630 - Kasperchik, Vladek P. ; et al.	2005-04-21
Chemically-bonded porous coatings that enhance humid fastness and fade fastness performance of ink jet images App 20040219311 - Wickramanayake, Palitha ; et al.	2004-11-04
Weak base modification of porous ink-jet media coating for enhanced image quality App 20040209017 - Zahrobsky, Peter C. ; et al.	2004-10-21
Additives for use in print media to reduce bronzing App 20040209015 - Wickramanayake, Palitha ; et al.	2004-10-21
Pen-compatible black and color inkjet inks having improved bleed control Grant 6,805,736 - Wickramanayake October 19, 2	2004-10-19
Pen-compatible black and color inkjet inks having improved bleed control App 20040129171 - Wickramanayake, Palitha	2004-07-08
Active ligand-modified inorganic porous coatings for ink-jet media App 20040081772 - Wickramanayake, Palitha	2004-04-29
Chemically-modified coatings for enhanced performance of ink-jet images App 20040022946 - Vincent, Kent D. ; et al.	2004-02-05
Ink-jet media porous coatings with chemically attached active ligands App 20030198801 - Wickramanayake, Palitha ; et al.	2003-10-23
Chemically-bonded porous coatings that enhance humid fastness and fade fastness performance of ink jet images App 20030175451 - Wickramanayake, Palitha ; et al.	2003-09-18
Inks containing glycol ethers and specific polymers for dry time and bleed improvements in ink-jet printing inks Grant 6,300,391 - Parazak , et al. October 9, 2	2001-10-09
Inks Containing Glycol Ethers And Specific Polymers For Dry Time And Bleed Improvements In Ink-jet Printing Inks App 20010018472 - PARAZAK, DENNIS P. ; et al.	2001-08-30
Black to color bleed control in ink-jet printing inks Grant 6,036,759 - Wickramanayake , et al. March 14, 2	2000-03-14
Reliability enhancement of microemulsion-based ink-jet inks Grant 6,019,827 - Wickramanayake , et al. February 1, 2	2000-02-01
Bleed alleviated aqueous pigment dispersion-based ink-jet ink compositions Grant 5,713,989 - Wickramanayake , et al. February 3, 1	1998-02-03
Fast drying, bleed-free ink-jet ink compositions Grant 5,565,022 - Wickramanayake October 15, 1	1996-10-15
Bleed-alleviated, waterfast, pigment-based ink-jet ink compositions Grant 5,531,816 - Wickramanayake July 2, 1	1996-07-02
Black-to-color bleed control in thermal ink-jet printing Grant 5,342,440 - Wickramanayake August 30, 1	1994-08-30
Solubilization of water-insoluble dyes via microemulsions for bleedless, non-threading, high print quality inks for thermal ink-jet printers Grant 5,226,957 - Wickramanayake , et al. July 13, 1	1993-07-13
Ink formulations by mixing anionic waterfast dyes containing two or more carboxyl groups Grant 5,062,893 - Adamic , et al. * November 5, 1	1991-11-05

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