Inventor
Richard V. LaDonna
Inventor
Fairport, NY, US
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters71%
G03GElectrography10%
H04NPictorial communication, e.g. television10%
H01CResistors5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
7,422,301'Method and apparatus using pixel spot size control for reducing intercolor bleed'20085,881,451'Sensing the temperature of a printhead in an ink jet printer'19995,739,830'Monolithic printheads for ink jet printing apparatus'19985,686,943'Ink jet printer having temperature sensor for periodic contact with printhead'19975,585,825'Ink jet printer having temperature sensor for replaceable printheads'19965,563,635'Power control system for a thermal ink-jet printer'19965,519,417'Power control system for a printer'19965,519,419'Calibration system for a thermal ink-jet printer'19965,504,507'Electronically readable performance data on a thermal ink jet printhead chip'19965,497,174'Voltage drop correction for ink jet printer'19965,483,265'Minimization of missing droplets in a thermal ink jet printer by drop volume control'19965,422,665'Low-interference thermistor for a thermal ink jet printhead chip'19955,223,853'Electronic spot size control in a thermal ink jet printer'19935,107,276'Thermal ink jet printhead with constant operating temperature'19924,638,328'Printhead for an ink jet printer'19873,980,477'Photoelectrophoresis with dark charge injecting element'19763,967,960'Photoelectrophoretic imaging process employing dark charge injecting element'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2008Patents assigned to XEROX CORP (17)· patent assignee history
1976Based in Irondequoit, NY, US· patent location history
1987–2008Based in Fairport, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| XEROX CORP | 17 | 1976–2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fairport, New York, US | 15 | 1987–2008 |
| Irondequoit, New York, US | 2 | 1976 |