Inventor
Keshava A. Prasad
Inventor
San Marcos, CA, US
Overview
Patents· 49 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 lacquers32%
B41JTypewriters20%
B41MPrinting, duplicating, marking, or copying processes9%
B29CShaping or joining of plastics7%
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 sintering7%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts6%
G06FElectric digital data processing3%
G06KGraphical data reading3%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients2%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments2%
PatentTitleYear
11,110,653Three-dimensional (3D) printing202111,104,065Material sets202110,731,0443-dimensional printing202010,640,661Coalescing agent for three-dimensional (3D) printing202010,576,685Three-dimensional (3D) printing202010,471,698Computational model and three-dimensional (3D) printing methods201910,414,930Magenta inks201910,392,512Detailing agent for three-dimensional (3D) printing201910,332,675Linear variable displacement transformer (LVDT) with improved sensitivity and linearity using fractional winding technique201910,301,490Three-dimensional (3D) printing system201910,239,326Pre-treatment fixing fluid for an offset coated medium20199,841,979'Method and apparatus for shuffling data using hierarchical shuffle units'20179,738,808'Thermal inkjet ink set'20179,708,495'Ink sets for ink-jet printing'20179,637,654'Ink composition'20179,493,013'Inkjet ink set'20169,292,287'Method of scheduling loops for processor having a plurality of functional units'20169,187,661'Ink composition'20159,161,056'Method for low memory footprint compressed video decoding'20158,974,049'Fixer composition'20158,857,963'Inks and ink sets for improved performance and image quality'20148,573,762'Inkjet inks having sustained decap'20137,722,179'Slow-penetrating inkjet fixer composition and methods and systems for making and using same'20107,677,714'Inkjet inks providing improved wet smudge on porous print media'20107,622,513'Inkjet printing system that provides improved mottle'20097,572,326'Fixer fluid and inkjet ink sets including the same'20097,478,902'Inkjet compositions'20097,066,590'Ink and underprinting fluid combinations with improved inkjet print image color and stability'20066,818,048'Ink-jet inks for improved image quality and reliability'20046,740,689'Ink and underprinting fluid combinations with improved inkjet print image color and stability'20046,716,278'Compositions and methods for selecting ink-jet inks exhibiting reduced puddling'20046,682,589'Lightfast ink-jet dye set having color gamut of silver halide prints'20046,592,657'Additives for ink-jet inks'20036,497,479'Higher organic inks with good reliability and drytime'20026,354,693'Printing of color ink under and over black text and graphics areas'20026,247,808'Ink-jet printing system for improved print quality'20016,244,687'Mixing overprinting and underprinting of inks in an inkjet printer to speed up the dry time of black ink without undesirable hue shifts'20016,022,908'Printing liquids for improved print quality'20005,946,012'Reliable high performance drop generator for an inkjet printhead'19995,880,758'Printer with pen containing a low dot spread black ink and a high dot spread color ink'19995,874,974'Reliable high performance drop generator for an inkjet printhead'19995,745,140'Color ink-jet printer with pigment black and dye-based color inks'19985,713,993'Pigmented ink set and process for alleviating bleed in printed elements using carboxylic acid additives'19985,580,373'Aqueous ink compositions containing amide anti-curl agent'19965,529,616'Ink jet inks containing mixtures of alcohols'19965,485,180'Inking for color-inkjet printers, using non-integral drop averages, media varying inking, or more than two drops per pixel'19965,356,464'Aqueous ink compositions containing anti-curl agents'19945,196,056'Ink jet composition with reduced bleed'19935,118,350'Dye-set for improved color quality for ink-jet printers'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2002Patents assigned to HEWLETT PACKARD CO (12)· patent assignee history
1992–1993Based in Escondido, CA, US· patent location history
1994–1998Patents assigned to DU PONT (4)· patent assignee history
1994–2021Based in San Diego, CA, US· patent location history
1996–2020Based in San Marcos, CA, US· patent location history
2003–2021Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (25)· patent assignee history
2014–2017Patents assigned to PRASAD KESHAVA A (5)· patent assignee history
2015–2019Based in Bangalore, IN· patent location history
2016–2017Patents assigned to HEWLETT PACKARD DEVELOPMENT CO LP (4)· patent assignee history
2016–2017Based in Suwon-si, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HEWLETT PACKARD DEVELOPMENT CO | 25 | 2003–2021 |
| HEWLETT PACKARD CO | 12 | 1992–2002 |
| PRASAD KESHAVA Aself | 5 | 2014–2017 |
| DU PONT | 4 | 1994–1998 |
| HEWLETT PACKARD DEVELOPMENT CO LP | 4 | 2016–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Marcos, California, US | 35 | 1996–2020 |
| San Diego, California, US | 8 | 1994–2021 |
| Bangalore, IN | 2 | 2015–2019 |
| Suwon-si, KR | 2 | 2016–2017 |
| Escondido, California, US | 2 | 1992–1993 |