Inventor · disambiguated record
Alexander Chapman
Also filed as: CHAPMAN ALEXANDER · CHAPMAN ALEXANDER L · CHAPMAN ALEXANDER LLOYD
9 granted patents·1 pending application·91 citations·filing 2001–2022
85Inventor score
Top patents by PatentIndex Score
10 records- 0183US6624407B1Encoder with mask spacer contacting the encoder filmLEXMARK INT INC·Filed 2001·Granted Sep 23, 2003·28 cites·35 claims
- 0283US6600151B2Optical encoder assembly with non-engageable encoder housing and receiver plate comprising a through hole and windowLEXMARK INT INC·Filed 2001·Granted Jul 29, 2003·25 cites·22 claims
- 0382US7391525B2Methods and systems to calibrate media indexing errors in a printing deviceLEXMARK INT INC·Filed 2003·Granted Jun 24, 2008·24 cites·18 claims
- 0468US7126107B2Methods and apparatuses for sensing rotational position of a component in a printing deviceLEXMARK INT INC·Filed 2003·Granted Oct 24, 2006·12 cites·14 claims
- 0564US11522694B2Acoustical physically unclonable function (puf) and systemLEXMARK INT INC·Filed 2021·Granted Dec 6, 2022·0 cites·14 claims
- 0660US11947279B2Material sensing using container vibrationLEXMARK INT INC·Filed 2022·Granted Apr 2, 2024·0 cites·9 claims
- 0759US7475117B1Two-phase commit electronic mail deliveryTERADATA US INC·Filed 2005·Granted Jan 6, 2009·2 cites·20 claims
- 0859US2011161135A1Method and systems for collateral processingTERADATA US INC·Filed 2009·Application pending·0 cites
- 0958US11947282B2Toner level sensing using toner container vibrationLEXMARK INT INC·Filed 2022·Granted Apr 2, 2024·0 cites·11 claims
- 1034US9891156B2Method for determining the permeation of a permeant through a membranePARAYTEC LTD·Filed 2015·Granted Feb 13, 2018·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →