Inventor

KOWALSKI MARK H

US21 patents

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

KOWALSKI MARK H

HEWLETT PACKARD CO

Method and apparatus for applying a stable printed image onto a fabric substrate

Bleed alleviation in ink-jet inks using organic acids

Print speed, print quality, bleed, and waterfastness with cationic black pigments and underprinting with anionic dyes

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

Waterfast and smearfast inks using ink jet delivered dye sublimation dyes

Method for producing a multi-layer ink transfer sheet

Method for applying clear, vivid, and water-fast printed images to a susbtrate

CABOT CORP

Method of preparing oxidized modified pigments and inkjet ink compositions comprising the same

Production of metal nanoparticles

Metal nanoparticle compositions

Production of metal nanoparticles

Separation of metal nanoparticles

Metal nanoparticle compositions for reflective features

Forming photovoltaic conductive features from multiple inks

HEWLETT PACKARD DEVELOPMENT CO

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

Method and apparatus for applying a stable printed image onto a fabric substrate

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

Protective undercoating for a printed medium

HEWLETT PACKARD DEVELOPMENT LP

Clear protective overcoat for a printed medium

PERIDOT PRINT LLC

Multi-fluid kit for three-dimensional (3D) printing, and three-dimensional printing

HAMPDEN-SMITH MARK J

Processes for forming photovoltaic conductive features from multiple inks