Inventor · disambiguated record
David Vaughnn
Also filed as: VAUGHNN DAVID
8 granted patents·9 pending applications·71 citations·filing 1997–2011
85Inventor score
Files withRUDOLPH TECHNOLOGIES INC5AUGUST TECHNOLOGY CORP4VAUGHNN DAVID3PHOTOMETRICS LTD1RUDOLPH TECHNOLOGY INC1
Top patents by PatentIndex Score
17 records- 0182US7196300B2Dynamic focusing method and apparatusRUDOLPH TECHNOLOGIES INC·Filed 2005·Granted Mar 27, 2007·9 cites·26 claims
- 0279US6773935B2Confocal 3D inspection system and processAUGUST TECHNOLOGY CORP·Filed 2002·Granted Aug 10, 2004·19 cites·10 claims
- 0377US7192173B2Optical throughput condenserRUDOLPH TECHNOLOGIES INC·Filed 2003·Granted Mar 20, 2007·21 cites·22 claims
- 0471US6870609B2Confocal 3D inspection system and processAUGUST TECHNOLOGY CORP·Filed 2002·Granted Mar 22, 2005·17 cites·6 claims
- 0569US7724358B2Illuminator for darkfield inspectionRUDOLPH TECHNOLOGIES INC·Filed 2008·Granted May 25, 2010·2 cites·13 claims
- 0668US8204298B2Focusing method and apparatusVAUGHNN DAVID·Filed 2011·Granted Jun 19, 2012·2 cites·15 claims
- 0748US2011141594A1Reflective objectiveRUDOLPH TECHNOLOGIES INC·Filed 2011·Application pending·0 cites
- 0848US2006012778A1Illuminator for dark field inspectionAUGUST TECHNOLOGY CORP·Filed 2005·Application pending·0 cites
- 0947US2008021665A1Focusing method and apparatusVAUGHNN DAVID·Filed 2007·Application pending·0 cites
- 1046US7321108B2Dynamic focusing method and apparatusRUDOLPH TECHNOLOGY INC·Filed 2007·Granted Jan 22, 2008·1 cites·21 claims
- 1145US2007247729A1Reflective objectiveRUDOLPH TECHNOLOGIES INC·Filed 2006·Application pending·0 cites
- 1242US2004102043A1Confocal 3D inspection system and processAUGUST TECHNOLOGY CORP·Filed 2003·Application pending·0 cites
- 1341US2002148984A1Confocal 3D inspection system and processFiled 2002·Application pending·0 cites
- 1441US2006023229A1Camera module for an optical inspection system and related method of useWATKINS CORY·Filed 2005·Application pending·0 cites
- 1537US2002145734A1Confocal 3D inspection system and processFiled 2002·Application pending·0 cites
- 1635US2007057164A1Scheimpflug normalizerVAUGHNN DAVID·Filed 2006·Application pending·0 cites
- 1727US5760974ALens system for maximizing light collection efficiency and transmissionPHOTOMETRICS LTD·Filed 1997·Granted Jun 2, 1998·0 cites·8 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →