Inventor

Jayprakash C. Bhatt

Inventor
Corvallis, OR, US

Overview

54→
Patents
1997–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 54 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers24%
B41MPrinting, duplicating, marking, or copying processes18%
B41JTypewriters16%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments11%
G03CPhotosensitive materials for photographic purposes5%
Y10TTechnical subjects covered by former us classification5%
G11BInformation storage based on relative movement between record carrier and transducer4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
C07DHeterocyclic compounds3%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering2%
PatentTitleYear
11,034,170Recording medium identification202110,974,513Ink supply202110,975,256Ink compositions202110,920,095Ink compositions202110,723,123Ink compositions202010,294,381Pigment-based inkjet inks201910,294,382Magenta inks201910,047,233Magenta inks201810,040,959Pigment-based inkjet inks20189,925,811'Controlling operation of a printer based on detection of an optical marker in a pigment ink'20189,133,344'Ink-jet inks having polymers and near-infrared absorbing dyes'20159,068,096'Perfluoropolyethers as ink additives'20158,808,439'Phthalocyanines and naphthalocyanines with near-IR absorptions for inkjet inks'20148,795,422'Naphthalocyanine dye and ink containing the same'20148,784,548'Phthalocyanines and naphthalocyanines with near-IR absorptions for inkjet inks'20148,784,955'Printed article'20148,778,073'Phthalocyanine dye with extended conjugation, ink and detection system using same'20148,702,220'Ink set with near infrared detection capability and method of using the same'20148,685,154'Inks with water soluble near IR dyes'20148,668,966'Printing method'20148,573,761'Pigmented ink-jet inks with quality enhancing polymers'20138,337,610'Dispersion of near infrared absorbing pigments and method of making the same'20128,283,100'Color forming compositions and associated methods'20128,226,757'Phthalocyanine dye and ink containing the same'20128,206,497'Polyphenylated phthalocyanines with near-infrared absorption'20128,206,496'Mixed phthalocyanine and naphthalocyanine dyes for near-infrared applications'20128,202,358'Phthalocyanine, naphthalocyanine, and bridged phthalocyanine/naphthalocyanine dyes and inks containing the same'20128,157,293'Security printing and detecting systems and methods'20128,158,221'Reactive ink and ink-media system for reduced air fade on porous media'20128,007,578'Pigmented ink having infrared absorption and low visible color'20117,959,245'Device and method for measuring ink levels in a container'20117,892,619'Coating for optical recording'20117,741,379'System and a method for a UV curable ink having infrared sensitivity'20107,670,417'Composite color and method of making the same'20107,641,961'Ink solvent assisted heat sealable media'20107,635,660'Thermal imaging system'20097,582,408'Color forming compositions with a fluoran leuco dye having a latent developer'20097,532,226'Bleaching the background of a medium'20097,477,274'Thermally sensitive medium and methods and systems for forming an image on a thermally sensitive medium'20097,477,278'Substrate having dye layers that locationally change in color upon exposure to beam'20097,333,126'Optical disc having layers corresponding to different colors and sensitive to optical beam wavelengths'20087,166,558'Thermal imaging system'20077,141,360'Compositions, systems, and methods for imaging'20067,060,654'Imaging media and materials used therein'20066,906,735'Thermal imaging system'20056,890,614'Metal salt activators for use in leuco dye compositions'20056,801,233'Thermal imaging system'20046,493,015'Thermal recording system'20026,380,340'Rigid rod monomers and polymers for use in rapid prototyping, composites, and adhesives'20026,369,262'Diacrylate monomers and polymers formed therefrom'20026,258,505'Heat and radiation-sensitive imaging medium, and processes for use thereof'20016,054,246'Heat and radiation-sensitive imaging medium, and processes for use thereof'20005,770,737'Asymmetrical dyes with large two-photon absorption cross-sections'19985,594,075'Acetylenic heterocyclic nonlinear optical thermoset monomers'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1998Based in Riverside, OH, US· patent location history
2000–2005Patents assigned to POLAROID CORP (5)· patent assignee history
2000–2009Based in Waltham, MA, US· patent location history
2005–2021Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (42)· patent assignee history
2005–2021Based in Corvallis, OR, US· patent location history
2008–2015Patents assigned to BHATT JAYPRAKASH C (13)· patent assignee history
2012–2015Patents assigned to GANAPATHIAPPAN SIVAPACKIA (10)· patent assignee history
2012–2015Patents assigned to BHATT JAYPRAKASH (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HEWLETT PACKARD DEVELOPMENT CO422005–2021
BHATT JAYPRAKASH Cself132008–2015
GANAPATHIAPPAN SIVAPACKIA102012–2015
BHATT JAYPRAKASHself72012–2015
POLAROID CORP52000–2005
Locations
LocationPatentsSpan
Corvallis, OR, US432005–2021
Waltham, Massachusetts, US92000–2009
Riverside, OH, US21997–1998