Inventor

PRASAD KESHAVA A

US46 patents

⚠️ This page may combine multiple inventors who share the name “PRASAD KESHAVA A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PRASAD KESHAVA A

HEWLETT PACKARD DEVELOPMENT CO

Ink and underprinting fluid combinations with improved inkjet print image color and stability

Additives for ink-jet inks

Inkjet inks having sustained decap

Inkjet printing system that provides improved mottle

Inkjet compositions

Ink and underprinting fluid combinations with improved inkjet print image color and stability

Detailing agent for three-dimensional (3D) printing

Lightfast ink-jet dye set having color gamut of silver halide prints

Fixer composition

Material sets

3-dimensional printing

Computational model and three-dimensional (3D) printing methods

Ink-jet inks for improved image quality and reliability

Material sets

Three-dimensional (3D) printing system

Inkjet inks providing improved wet smudge on porous print media

Fixer fluid and inkjet ink sets including the same

Compositions and methods for selecting ink-jet inks exhibiting reduced puddling

Coalescing agent for three-dimensional (3D) printing

Slow-penetrating inkjet fixer composition and methods and systems for making and using same

Three-dimensional (3D) printing

Three-dimensional (3D) printing

Coalescing agent for three-dimensional (3D) printing

Pre-treatment fixing fluid for an offset coated medium

Magenta inks

HEWLETT PACKARD CO

Reliable high performance drop generator for an inkjet printhead

Reliable high performance drop generator for an inkjet printhead

Printing liquids for improved print quality

Ink jet composition with reduced bleed

Higher organic inks with good reliability and drytime

Ink-jet printing system for improved print quality

Color ink-jet printer with pigment black and dye-based color inks

Dye-set for improved color quality for ink-jet printers

Printing of color ink under and over black text and graphics areas

Printer with pen containing a low dot spread black ink and a high dot spread color ink

Mixing overprinting and underprinting of inks in an inkjet printer to speed up the dry time of black ink without undesirable hue shifts

Inking for color-inkjet printers, using non-integral drop averages, media varying inking, or more than two drops per pixel

DU PONT

Aqueous ink compositions containing anti-curl agents

Aqueous ink compositions containing amide anti-curl agent

Ink jet inks containing mixtures of alcohols

PRASAD KESHAVA A

Ink composition

Ink composition

SARKISIAN GEORGE

Inks and ink sets for improved performance and image quality

Ink sets for ink-jet printing

CHEN XIAOHE

Inkjet ink set

HEWLETT PACKARD DEVELOPMENT CO LP

Thermal inkjet ink set