Assignee
GEMOLOGICAL INST AMERICA INC
US·18 granted patents·1 pending application·202 citations·filing 1999–2013
Top patents by PatentIndex Score
19 records- 0192US6473164B1Systems, apparatuses and methods for diamond color measurement and analysisGEMOLOGICAL INST AMERICA INC·Filed 2000·Granted Oct 29, 2002·95 cites·37 claims
- 0286US8760758B2Reflected dark field method and apparatusGEMOLOGICAL INST AMERICA INC·Filed 2012·Granted Jun 24, 2014·6 cites·15 claims
- 0386US7834987B2Systems and methods for evaluating the appearance of a gemstoneGEMOLOGICAL INST AMERICA INC·Filed 2006·Granted Nov 16, 2010·12 cites·8 claims
- 0486US7102742B2Fluorescence measuring device for gemstonesGEMOLOGICAL INST AMERICA INC·Filed 2004·Granted Sep 5, 2006·26 cites·21 claims
- 0585US7260544B1System and methods for evaluating the appearance of a gemstoneGEMOLOGICAL INST AMERICA INC·Filed 2000·Granted Aug 21, 2007·29 cites·8 claims
- 0680US9366638B2Method and system for providing a clarity grade for a gemGEMOLOGICAL INST AMERICA INC·Filed 2013·Granted Jun 14, 2016·3 cites·8 claims
- 0777US7262835B2Fluorescence measuring device for gemstonesGEMOLOGICAL INST AMERICA INC·Filed 2006·Granted Aug 28, 2007·4 cites·10 claims
- 0854US8724217B2Reflected dark field method and apparatusGEMOLOGICAL INST AMERICA INC·Filed 2012·Granted May 13, 2014·0 cites·3 claims
- 0949US7382528B2Gem microscope having a swivel base and a stationary power cordGEMOLOGICAL INST AMERICA INC·Filed 2005·Granted Jun 3, 2008·1 cites·9 claims
- 1049US7009762B2Gem microscope having a swivel base and a stationary power cordGEMOLOGICAL INST AMERICA INC·Filed 2004·Granted Mar 7, 2006·4 cites·32 claims
- 1147US6650489B2Gem identification viewerGEMOLOGICAL INST AMERICA INC·Filed 2002·Granted Nov 18, 2003·3 cites·20 claims
- 1245US7088434B2Apparatus and method for providing spot lighting for gemstone observationGEMOLOGICAL INST AMERICA INC·Filed 2003·Granted Aug 8, 2006·0 cites·19 claims
- 1341US2002008925A1Gem identification viewerGEMOLOGICAL INST AMERICA INC·Filed 2001·Application pending·0 cites
- 1440US7142358B2Gem microscope with portability kitGEMOLOGICAL INST AMERICA INC·Filed 2004·Granted Nov 28, 2006·1 cites·23 claims
- 1538USD497172SGem microscope stageGEMOLOGICAL INST AMERICA INC·Filed 2003·Granted Oct 12, 2004·4 cites·1 claims
- 1636US6292315B1Gem identification viewerGEMOLOGICAL INST AMERICA INC·Filed 1999·Granted Sep 18, 2001·8 cites·6 claims
- 1735USD494199SGem microscope baseGEMOLOGICAL INST AMERICA INC·Filed 2003·Granted Aug 10, 2004·3 cites·1 claims
- 1832USD492710SGem microscope hinge assemblyGEMOLOGICAL INST AMERICA INC·Filed 2003·Granted Jul 6, 2004·2 cites·1 claims
- 1929USD491966SGem microscope light bowlGEMOLOGICAL INST AMERICA INC·Filed 2003·Granted Jun 22, 2004·1 cites·1 claims
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