Inventor · disambiguated record
Richard V. Ladonna
Also filed as: LADONNA RICHARD V
17 granted patents·926 citations·filing 1974–2005
95Inventor score
Files withXEROX CORP17
Top patents by PatentIndex Score
17 records- 0198US5107276AThermal ink jet printhead with constant operating temperatureXEROX CORP·Filed 1990·Granted Apr 21, 1992·231 cites·23 claims
- 0297US5585825AInk jet printer having temperature sensor for replaceable printheadsXEROX CORP·Filed 1994·Granted Dec 17, 1996·178 cites·5 claims
- 0395US4638328APrinthead for an ink jet printerXEROX CORP·Filed 1986·Granted Jan 20, 1987·87 cites·11 claims
- 0492US5504507AElectronically readable performance data on a thermal ink jet printhead chipXEROX CORP·Filed 1995·Granted Apr 2, 1996·86 cites·3 claims
- 0588US5223853AElectronic spot size control in a thermal ink jet printerXEROX CORP·Filed 1992·Granted Jun 29, 1993·66 cites·25 claims
- 0687US5519419ACalibration system for a thermal ink-jet printerXEROX CORP·Filed 1994·Granted May 21, 1996·61 cites·8 claims
- 0783US5497174AVoltage drop correction for ink jet printerXEROX CORP·Filed 1994·Granted Mar 5, 1996·47 cites·16 claims
- 0880US5483265AMinimization of missing droplets in a thermal ink jet printer by drop volume controlXEROX CORP·Filed 1994·Granted Jan 9, 1996·41 cites·25 claims
- 0978US5881451ASensing the temperature of a printhead in an ink jet printerXEROX CORP·Filed 1996·Granted Mar 16, 1999·37 cites·4 claims
- 1069US5686943AInk jet printer having temperature sensor for periodic contact with printheadXEROX CORP·Filed 1994·Granted Nov 11, 1997·24 cites·5 claims
- 1168US5519417APower control system for a printerXEROX CORP·Filed 1994·Granted May 21, 1996·23 cites·24 claims
- 1264US7422301B2Method and apparatus using pixel spot size control for reducing intercolor bleedXEROX CORP·Filed 2005·Granted Sep 9, 2008·1 cites·21 claims
- 1363US5563635APower control system for a thermal ink-jet printerXEROX CORP·Filed 1995·Granted Oct 8, 1996·22 cites·11 claims
- 1455US5739830AMonolithic printheads for ink jet printing apparatusXEROX CORP·Filed 1995·Granted Apr 14, 1998·15 cites·13 claims
- 1546US5422665ALow-interference thermistor for a thermal ink jet printhead chipXEROX CORP·Filed 1993·Granted Jun 6, 1995·7 cites·4 claims
- 1627US3980477APhotoelectrophoresis with dark charge injecting elementXEROX CORP·Filed 1974·Granted Sep 14, 1976·0 cites·18 claims
- 1727US3967960APhotoelectrophoretic imaging process employing dark charge injecting elementXEROX CORP·Filed 1974·Granted Jul 6, 1976·0 cites·22 claims
Join the waitlist — get patent alerts
Get an alert when Richard V. Ladonna files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →