Inventor · disambiguated record
James Gordon Charters Smith
Also filed as: SMITH JAMES · SMITH JAMES C · SMITH JAMES G · SMITH JAMES G C
25 granted patents·3 pending applications·397 citations·filing 1982–2018
96Inventor score
Files withGERSAN ETS8DE BEERS UK LTD5NIKON METROLOGY NV3SMITH JAMES GORDON CHARTERS3De Beers Centenary AG2
Top patents by PatentIndex Score
28 records- 0189US6187213B1Marking diamondGERSAN ETS·Filed 1996·Granted Feb 13, 2001·60 cites·21 claims
- 0289US4443215ASterile docking process, apparatus and systemDU PONT·Filed 1982·Granted Apr 17, 1984·61 cites·23 claims
- 0385US9618443B2Gemstone inspectionDe Beers Centenary AG·Filed 2013·Granted Apr 11, 2017·7 cites·27 claims
- 0483US6014208AExamining a diamondGERSAN ETS·Filed 1996·Granted Jan 11, 2000·67 cites·36 claims
- 0582US9625393B2Gemstone viewerDE BEERS UK LTD·Filed 2015·Granted Apr 18, 2017·2 cites·15 claims
- 0682US9250193B2Gemstone sparkle analysisSMITH JAMES GORDON CHARTERS·Filed 2011·Granted Feb 2, 2016·4 cites·30 claims
- 0780US9322785B2Inclusion detection in polished gemstonesSMITH JAMES GORDON CHARTERS·Filed 2010·Granted Apr 26, 2016·5 cites·34 claims
- 0879US11020771B2Apparatus for sorting gemstonesDE BEERS UK LTD·Filed 2017·Granted Jun 1, 2021·1 cites·32 claims
- 0973US10082469B2Luminescence measurements in diamondDE BEERS UK LTD·Filed 2016·Granted Sep 25, 2018·1 cites·40 claims
- 1073US4934892AEnvelope processing apparatusOPEX CORP·Filed 1986·Granted Jun 19, 1990·39 cites·37 claims
- 1172US6391215B1Diamond markingGERSAN ETS·Filed 1998·Granted May 21, 2002·32 cites·75 claims
- 1269US10365233B2X-ray apparatusNIKON METROLOGY NV·Filed 2015·Granted Jul 30, 2019·1 cites·18 claims
- 1368US5811824AMethod and an apparatus for testing whether a diamond has a layer of synthetic diamond deposited thereonGERSAN ETS·Filed 1995·Granted Sep 22, 1998·32 cites·26 claims
- 1467US9188542B2Gemstone viewerSMITH JAMES GORDON CHARTERS·Filed 2009·Granted Nov 17, 2015·2 cites·34 claims
- 1564US5883388AExamining a diamondGERSAN ETS·Filed 1995·Granted Mar 16, 1999·27 cites·47 claims
- 1663US10571410B2X-ray apparatusNIKON METROLOGY NV·Filed 2018·Granted Feb 25, 2020·0 cites·17 claims
- 1763US10571409B2X-ray apparatusNIKON METROLOGY NV·Filed 2018·Granted Feb 25, 2020·0 cites·17 claims
- 1863US10345245B2Luminescence measurements in diamondDE BEERS UK LTD·Filed 2018·Granted Jul 9, 2019·0 cites·19 claims
- 1960US10215706B2Gemstone sparkle analysisDE BEERS UK LTD·Filed 2015·Granted Feb 26, 2019·0 cites·12 claims
- 2052USD682905SGemstone viewerKENDALL JONATHAN G·Filed 2012·Granted May 21, 2013·12 cites·1 claims
- 2152US7879192B2Multiply former apparatusPAPERCHINE INC·Filed 2007·Granted Feb 1, 2011·1 cites·17 claims
- 2252US5880504AExamining a diamondGERSAN ETS·Filed 1995·Granted Mar 9, 1999·17 cites·5 claims
- 2350US5603414ADetecting diamonds in a rock sampleGERSAN ETS·Filed 1993·Granted Feb 18, 1997·16 cites·30 claims
- 2448US2004115099A1Reagent vial for automated processing apparatusFiled 2003·Application pending·0 cites
- 2543US2015112643A1Infra-red analysis of diamondsDe Beers Centenary AG·Filed 2013·Application pending·0 cites
- 2642US2002108398A1Diamond etchingFiled 2002·Application pending·0 cites
- 2741US6358427B1Marking diamondGERSAN ETS·Filed 1998·Granted Mar 19, 2002·10 cites·17 claims
- 2832US9079331B2Gemstone alignmentSMITH JAMES G C·Filed 2010·Granted Jul 14, 2015·0 cites·31 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →