1
Constantine Nicholas Anagnostopoulos, Ravi Sharma: Ink printing apparatus with improved heater. Eastman Kodak Company, Milton S Sales, September 22, 1998: US05812159 (292 worldwide citation)

A liquid ink, drop-on-demand printhead includes a substrate having a plurality of drop-emitter orifices, an ink channel coupled to each of the orifices for delivery of a body of ink to the orifices at a pressure above ambient, thereby forming an ink meniscus at the orifices. Drop selection is effect ...


2
Ravi Sharma, Gilbert Allan Hawkins, Pranab Bagchi, David Lee Clark: Ink printing apparatus using ink surfactants. Eastman Kodak Company, Milton S Sales, March 10, 1998: US05726693 (154 worldwide citation)

A liquid ink, drop-on-demand pagewidth printhead including a semiconductor substrate, a plurality of drop-emitter nozzles fabricated on the substrate; an ink supply manifold coupled to the nozzles; pressure element for subjecting ink in the manifold to a pressure above ambient pressure; a drop selec ...


3
Pranab Bagchi, Ravi Sharma, Constance N Anagnostopoulos, Gilbert A Hawkins, John A Lebens, Thierry Vachette, James M Chwalek, David S Ross: Ink compositions containing surfactant sols comprising mixtures of solid surfactants. Eastman Kodak Company, Paul A Leipold, June 29, 1999: US05916358 (100 worldwide citation)

The invention is related to an aqueous ink composition comprising water, a coloring agent, and solid surfactant particles wherein said solid particles comprise a mixture of at least two surfactants with very low water solubility and with melting points between 40.degree. C. and 90.degree. C.


4
David L Jeanmaire, Gilbert A Hawkins, Ravi Sharma: Continuous inkjet printhead with selectable printing volumes of ink. Eastman Kodak Company, Stephen H Shaw, June 10, 2003: US06575566 (100 worldwide citation)

An inkjet printhead, that includes a plurality of nozzle bores from which streams of ink droplets having selectable first and second volumes are emitted; a droplet deflector for deflecting the ink droplets having first and second volumes into first and second paths respectively, the droplet deflecto ...


5
Zhihao Yang, Ravi Sharma: Microfluidic valve and method for controlling the flow of a liquid. Eastman Kodak Company, Harold E Cole, May 7, 2002: US06382254 (64 worldwide citation)

A microfluidic valve for controlling the flow of a material through a microfluidic channel comprising:


6
Theodore K Ricks, Ravi Sharma: Method for assembling micro-components to binding sites. Eastman Kodak Company, Ronald R Schindler II, August 7, 2007: US07251882 (49 worldwide citation)

A support and a method for assembling micro-components to binding sites on the support are provided. The support has a pattern of electrical conductors adapted to conduct electrical energy between binding sites. In accordance with the method, an electrical signal is passed through at least one condu ...


7
Ravi Sharma, Daniel D Haas, Theodore K Ricks: Thermally controlled fluidic self-assembly. Eastman Kodak Company, Roland R Schindler II, Justin D Petzuzzelli, December 8, 2009: US07629026 (43 worldwide citation)

Methods and apparatuses are provided for assembling a structure on a support having a pattern of binding sites. In accordance with the method, a first fluid is provided on the surface of the support with the first fluid being of a type that that increases viscosity when heated, the first fluid havin ...


8
Werner Fassler, John E Mooney, Marcello D Fiscella, Ravi Sharma: Cleaning orifices in ink jet printing apparatus. Eastman Kodak Company, Walter S Stevens, Roland R Schindler II, August 28, 2001: US06281909 (42 worldwide citation)

An ink jet printer having an ink jet head and defining a structure having a device including a structure defining a plurality of orifices for ejecting ink droplets includes defining an ink cleaning cavity spaced from the printing position for receiving cleaning fluid; a roller disposed in the cleani ...


9
Ravi Sharma, Charles P Lusignan: Thermally controlled fluidic self-assembly. Eastman Kodak Company, Roland R Schindler, March 30, 2010: US07687277 (40 worldwide citation)

Methods and apparatuses are provided for assembling a structure on a support having a pattern of binding sites. In accordance with the method, a first fluid is provided on the surface of the support with the first fluid being of a type that that increases viscosity when cooled, the first fluid havin ...


10
Zhihao Yang, Thomas L Penner, Ravi Sharma: Nozzle plate with mixed self-assembled monolayer. Eastman Kodak Company, Andrew J Anderson, December 4, 2001: US06325490 (35 worldwide citation)

An ink jet nozzle plate is provided comprising an outer surface having a self-assembled monolayer thereon comprising a mixture of at least one hydrophobic compound and at least one ionic compound, which monolayer renders the outer surface non-wetting with respect to aqueous ink solutions. In accorda ...