Inventor
Justin M. Roman
Inventor
Portland, OR, US
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters55%
H04NPictorial communication, e.g. television13%
C01BNon-metallic elements6%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
B29CShaping or joining of plastics3%
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 sintering3%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
10,868,931Bias members202010,589,464Spreader roller for additive manufacturing202010,477,054Translatable scanner calibration target201910,434,785Fluid supply assembly201910,414,163Fluid supply assembly201910,364,110Media transport jam prevention201910,195,862Off-axis printhead assembly attachable to a carriage201910,200,554Media scan operation control201910,137,695Printhead priming201810,112,385Ambient temperature based flow rates201810,097,714Translatable scanner calibration target201810,071,578Mounting device20189,375,959'Locking mechanism for an encoder strip'20169,308,747'Printer mechanism with shape control mechanism to transform hills and valleys'20169,102,178'Multi-region media advance compensation'20158,882,229'Media width-based calibration pattern placement'20148,506,659'Hydrogen generating apparatus'20137,431,421'Printing system and method'20087,384,125'Moving chassis'20087,219,974'Measurement of fluid continuity in a fluid carrying member'20077,207,666'Printer ink supply system'20077,097,813'Hydrogen generating apparatus'20066,886,901'Measurement of fluid continuity in a fluid carrying member'20056,685,295'Measurement of fluid continuity in a fluid carrying member'20046,557,987'Co-extruded tubing for an off-axis ink delivery system'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2020Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (24)· patent assignee history
2003–2020Based in Vancouver, WA, US· patent location history
2004–2007Based in Menlo Park, CA, US· patent location history
2006–2020Based in Portland, OR, US· patent location history
2013Patents assigned to EVEREADY BATTERY INC (1)· patent assignee history
2013Patents assigned to ORD JASON S (1)· patent assignee history
2016Patents assigned to CARCIA ANTHONY (1)· patent assignee history
2016Patents assigned to LIGGETT MELINDA LOIS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HEWLETT PACKARD DEVELOPMENT CO | 24 | 2003–2020 |
| CARCIA ANTHONY | 1 | 2016 |
| EVEREADY BATTERY INC | 1 | 2013 |
| LIGGETT MELINDA LOIS | 1 | 2016 |
| ORD JASON S | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Portland, OR, US | 18 | 2006–2020 |
| Vancouver, Washington, US | 4 | 2003–2020 |
| Menlo Park, California, US | 3 | 2004–2007 |