Inventor
David H. Donovan
Inventor
San Diego, CA, US
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters22%
H04NPictorial communication, e.g. television15%
B29CShaping or joining of plastics13%
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 sintering13%
C09DCoating compositions, e.g. paints, varnishes or lacquers9%
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. inserts5%
G05BControl or regulating systems in general5%
C08LCompositions of macromolecular compounds4%
G06KGraphical data reading4%
B22FWorking metallic powder2%
PatentTitleYear
10,688,772Generating three-dimensional objects202010,569,470Agent calibration202010,564,629Generating halftone data for a three-dimensional object202010,488,846Adjustment of a halftoning threshold201910,471,698Computational model and three-dimensional (3D) printing methods201910,409,263Diffusing an error in three-dimensional contone model data201910,252,474Temperature determination based on emissivity20199,454,720'Method and system for halftone printing'20169,258,454'Printer optical sensing error determination'20168,870,326'Printing near saturation'20148,573,731'Density error correction'20138,287,113'Ink set and media for ink-jet printing'20128,100,489'Double-sided printing system'20127,417,768'Apparatus and method for mitigating colorant-deposition errors in incremental printing'20087,168,784'Formation of images'20076,390,585'Selectively warming a printhead for optimized performance'20026,293,657'Mid plot refill technique for large scale printers'20016,276,777'Variable maximum operating temperature for a printhead'20016,076,915'Inkjet printhead calibration'20005,946,012'Reliable high performance drop generator for an inkjet printhead'19995,874,974'Reliable high performance drop generator for an inkjet printhead'19995,851,590'Ink jet inks containing polyacrylamides'19985,851,273'Dye set for improved ink-jet print quality'19985,712,338'Ink jet inks containing polyacrylamides'19985,401,303'Aqueous inks having improved halo characteristics'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–1998Patents assigned to DU PONT (3)· patent assignee history
1995–2020Based in San Diego, CA, US· patent location history
1998–2002Patents assigned to HEWLETT PACKARD CO (7)· patent assignee history
1998–2002Based in Barcelona, ES· patent location history
2007–2020Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (14)· patent assignee history
2012–2016Patents assigned to DONOVAN DAVID H (4)· patent assignee history
2013–2016Patents assigned to BASTANI BEHNAM (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HEWLETT PACKARD DEVELOPMENT CO | 14 | 2007–2020 |
| HEWLETT PACKARD CO | 7 | 1998–2002 |
| DONOVAN DAVID Hself | 4 | 2012–2016 |
| DU PONT | 3 | 1995–1998 |
| BASTANI BEHNAM | 2 | 2013–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Diego, California, US | 18 | 1995–2020 |
| Barcelona, ES | 7 | 1998–2002 |