Inventor
Ernest W. Ellis
Inventor
Harvard, MA, US
Overview
Patents· 45 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Mprimary
B41MPrinting, duplicating, marking, or copying processes24%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
B41CProcesses for the manufacture or reproduction of printing surfaces12%
B41NPrinting plates or foils8%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices8%
C07DHeterocyclic compounds7%
G03CPhotosensitive materials for photographic purposes4%
G01DMeasuring not specially adapted for a specific variable3%
G06KGraphical data reading3%
H05KPrinted circuits3%
PatentTitleYear
6,352,028'Wet lithographic imaging with metal-based printing members'20026,279,476'Lithographic imaging with constructions having inorganic oleophilic layers'20016,095,048'Lithographic imaging and plate cleaning using single-fluid ink systems'20006,087,069'Lithographic imaging and cleaning of printing members having boron ceramic layers'20006,073,559'Lithographic imaging with constructions having inorganic oleophilic layers'20006,045,964'Method for lithographic printing with thin-film imaging recording constructions incorporating metallic inorganic layers'20006,030,751'Printing with self-cleaning, abrasion-resistant, laser-imageable lithographic printing constructions'20006,024,019'Lithographic printing system with reusable support surfaces and lithographic constructions for use therewith'20005,965,326'Method for selectively deleting undesired ink-receptive areas on wet lithographic printing constructions incorporating metallic inorganic layers'19995,906,909'Wet lithographic printing constructions incorporating metallic inorganic layers'19995,871,884'On-demand production of LAT imaging films'19995,870,955'Lithographic printing system with reusable support surfaces and lithographic constructions for use therewith'19995,829,353'Method of modulating lithographic affinity and printing members made thereby'19985,807,658'Self-cleaning, abrasion-resistant, laser-imageable lithographic printing contructions'19985,786,129'Laser-imageable recording constructions utilizing controlled, self-propagating exothermic chemical reaction mechanisms'19985,783,364'Thin-film imaging recording constructions incorporating metallic inorganic layers and optical interference structures'19985,773,188'LAT imaging onto intermediate receptor elements/\"LAT Decalcomania\"'19985,756,249'Mass transfer imaging media and methods of making and using the same'19985,681,681'On-demand production of LAT imaging films'19975,633,113'Mass transfer imaging media and methods of making and using the same'19975,622,795'LAT imaging onto intermediate receptor elements/LAT decalcomania'19975,612,165'On-demand production of LAT imaging films'19975,593,808'LAT imaging onto intermediate/receptor elements/\"LAT decalcomania\"'19975,501,938'Ablation-transfer imaging/recording'19965,424,475'Thermal imaging dye precursors'19955,350,870'Thermal imaging methods and materials'19945,256,506'Ablation-transfer imaging/recording'19935,236,884'Thermal imaging methods and materials'19935,192,645'Thermal imaging method'19935,171,650'Ablation-transfer imaging/recording'19924,960,901'Thermal imaging method'19904,839,335'Heat sensitive recording element'19894,826,976'Color-shifted dyes with thermally unstable carbamate moiety comprising T-alkoxycarbonyl group'19894,818,742'Heat sensitive recording element'19894,745,046'Thermal imaging method'19884,720,450'Thermal imaging method'19884,720,449'Thermal imaging method'19884,663,518'Optical storage identification card and read/write system'19874,602,263'Thermal imaging method'19864,469,877'Photographic products'19844,388,398'Photographic products and processes with silver halide solvent precursors'19834,382,119'Novel photographic products and processes'19834,348,529'Synthesis of cyclic disulfone compounds'19824,195,180'Sulfam (na) phthaleins'19804,181,660'3-Substituted benz[d]isothiazole-1,1-dioxides'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1999Patents assigned to POLAROID CORP (23)· patent assignee history
1980–1990Based in Carlisle, MA, US· patent location history
1992–1993Patents assigned to GRAPHICS TECH INT (2)· patent assignee history
1992–1999Based in Leverett, MA, US· patent location history
1996–1997Patents assigned to REXHAM GRAPHICS INC (4)· patent assignee history
1997Patents assigned to REXAM GRAPHICS INC (1)· patent assignee history
1997–2002Based in Harvard, MA, US· patent location history
1998–2002Patents assigned to PRESSTEK INC (15)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| POLAROID CORP | 23 | 1980–1999 |
| PRESSTEK INC | 15 | 1998–2002 |
| REXHAM GRAPHICS INC | 4 | 1996–1997 |
| GRAPHICS TECH INT | 2 | 1992–1993 |
| REXAM GRAPHICS INC | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Harvard, Massachusetts, US | 17 | 1997–2002 |
| Carlisle, Massachusetts, US | 15 | 1980–1990 |
| Leverett, Massachusetts, US | 13 | 1992–1999 |