Inventor · disambiguated record
William Ralph Knowles
Also filed as: KNOWLES WILLIAM R · KNOWLES WILLIAM RALPH
9 granted patents·136 citations·filing 1975–2008
88Inventor score
Files withFEI CO4TOTH MILOS2CAMBRIDGE INSTR LTD1IMAGE ANALYSING COMPUTERS LTD1SLINGERLAND HENDRIK NICOLAAS1
Top patents by PatentIndex Score
9 records- 0191US7718979B2Particle-optical apparatus for simultaneous observing a sample with particles and photonsFEI CO·Filed 2008·Granted May 18, 2010·18 cites·25 claims
- 0290US7541580B2Detector for charged particle beam instrumentFEI CO·Filed 2007·Granted Jun 2, 2009·15 cites·31 claims
- 0383US6972412B2Particle-optical device and detection meansFEI CO·Filed 2003·Granted Dec 6, 2005·36 cites·28 claims
- 0482US8921811B2High pressure charged particle beam systemTOTH MILOS·Filed 2008·Granted Dec 30, 2014·7 cites·18 claims
- 0576US7791020B2Multistage gas cascade amplifierFEI CO·Filed 2008·Granted Sep 7, 2010·4 cites·36 claims
- 0674US4017680AMethods and apparatus involving light pen interaction with a real time displayIMAGE ANALYSING COMPUTERS LTD·Filed 1975·Granted Apr 12, 1977·39 cites·30 claims
- 0772US8299432B2Scanning transmission electron microscope using gas amplificationTOTH MILOS·Filed 2008·Granted Oct 30, 2012·4 cites·22 claims
- 0864US9153414B2Particle optical apparatus with a predetermined final vacuum pressureSLINGERLAND HENDRIK NICOLAAS·Filed 2007·Granted Oct 6, 2015·2 cites·19 claims
- 0962US4604523AScannable-beam microscopes and image stores thereforCAMBRIDGE INSTR LTD·Filed 1984·Granted Aug 5, 1986·11 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →