Assignee

GEMOLOGICAL INST OF AMERICA INC GIA

US·39 granted patents·14 pending applications·70 citations·filing 2016–2025

Technology mixG01N50 G06T16 G01J6 G06F6 G02B4 G06V4

Top patents by PatentIndex Score

53 records

0198US11892405B2Apparatus and method for fluorescence grading of gemstonesGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2023·Granted Feb 6, 2024·3 cites·14 claims
0298US11630065B2Apparatus and method for fluorescence grading of gemstonesGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2022·Granted Apr 18, 2023·4 cites·12 claims
0398US11499920B2Imaging assisted scanning spectroscopy for gem identificationGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2021·Granted Nov 15, 2022·4 cites·28 claims
0498US11300514B2Apparatus and method for fluorescence grading of gemstonesGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2020·Granted Apr 12, 2022·4 cites·13 claims
0597US11921051B2Apparatus and method for assessing optical quality of gemstonesGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2022·Granted Mar 5, 2024·2 cites·8 claims
0697US11674905B2Fluorescence imaging of gemstone on transparent stageGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2022·Granted Jun 13, 2023·2 cites·20 claims
0797US11346788B2Fluorescence imaging of gemstone on transparent stageGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2020·Granted May 31, 2022·3 cites·22 claims
0897US10488341B2Apparatus and method for fluorescence grading of gemstonesGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2018·Granted Nov 26, 2019·8 cites·20 claims
0996US12025563B2Fluorescence imaging of gemstone on transparent stageGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2023·Granted Jul 2, 2024·1 cites·21 claims
1096US10890531B2Apparatus and method for fluorescence grading of gemstonesGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2019·Granted Jan 12, 2021·5 cites·20 claims
1195US11754506B2Imaging assisted scanning spectroscopy for gem identificationGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2022·Granted Sep 12, 2023·1 cites·20 claims
1295US10533951B2Apparatus and method for assessing optical quality of gemstonesGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2017·Granted Jan 14, 2020·5 cites·20 claims
1392US11915407B2Automated system and method for clarity measurements and clarity gradingGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2022·Granted Feb 27, 2024·1 cites·20 claims
1491US12535430B2Fluorescence imaging of gemstone on transparent stageGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2024·Granted Jan 27, 2026·0 cites·20 claims
1591US12372467B2Apparatus and method for fluorescence grading of gemstonesGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2024·Granted Jul 29, 2025·0 cites·20 claims
1691US11280743B2Apparatus and method for assessing optical quality of gemstonesGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2019·Granted Mar 22, 2022·2 cites·16 claims
1791US10318515B2Method and system for providing a clarity grade for a gemGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2016·Granted Jun 11, 2019·6 cites·9 claims
1891US2025354935A1Fluorescence imaging of gemstone on transparent stageGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2025·Application pending·0 cites
1990US11988610B2Detection and grading of the effect of blue fluorescence on diamond appearancesGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2021·Granted May 21, 2024·2 cites·14 claims
2090US11879842B2Luminescence imaging for gemstone screeningGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2021·Granted Jan 23, 2024·1 cites·28 claims
2190US11106648B2Method and system for providing a clarity grade for a gemGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2019·Granted Aug 31, 2021·2 cites·16 claims
2290US2025321189A1Apparatus and method for fluorescence grading of gemstonesGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2025·Application pending·0 cites
2388US12380085B2Method and system for providing a clarity grade for a gemGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2023·Granted Aug 5, 2025·0 cites·12 claims
2488US2025328514A1Method and system for providing a clarity grade for a gemGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2025·Application pending·0 cites
2587US12196678B2Luminescence imaging for gemstone screeningGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2023·Granted Jan 14, 2025·0 cites·21 claims
2687US2024385119A1Imaging assisted scanning spectroscopy for gem identificationGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2024·Application pending·0 cites
2786US11789919B2Method and system for providing a clarity grade for a gemGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2021·Granted Oct 17, 2023·1 cites·18 claims
2885US12085511B2Imaging assisted scanning spectroscopy for gem identificationGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2023·Granted Sep 10, 2024·0 cites·20 claims
2984US10275870B2Automated system and method for clarity measurements and clarity gradingGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2018·Granted Apr 30, 2019·3 cites·22 claims
3083US11815465B2Portable high-resolution gem imaging systemGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2019·Granted Nov 14, 2023·2 cites·20 claims
3182US11562473B2Automated system and method for clarity measurements and clarity gradingGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2020·Granted Jan 24, 2023·1 cites·19 claims
3282US10891724B2Automated system and method for clarity measurements and clarity gradingGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2019·Granted Jan 12, 2021·2 cites·20 claims
3382US10788460B2Method for fingerprinting and sorting diamondsGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2019·Granted Sep 29, 2020·1 cites·15 claims
3481US11828703B2Ultraviolet-visible absorption spectroscopy for gemstone identificationGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2021·Granted Nov 28, 2023·1 cites·5 claims
3579US10386337B2Method for fingerprinting and sorting diamondsGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2017·Granted Aug 20, 2019·1 cites·10 claims
3679US2025354941A1Detection and grading of the effect of blue fluorescence on diamond appearancesGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2025·Application pending·0 cites
3779US2026009734A1Digital image gemstone verification with filtersGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2025·Application pending·0 cites
3877US2025354934A1Surface analysis of gemstonesGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2025·Application pending·0 cites
3975US12560535B2Ultraviolet-visible absorption spectroscopy for gemstone identificationGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2023·Granted Feb 24, 2026·0 cites·17 claims
4074US12385846B2Digital image gemstone verification with filtersGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2023·Granted Aug 12, 2025·0 cites·19 claims
4174US2024035982A1Portable high-resolution gem imaging systemGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2023·Application pending·0 cites
4273US2024391055A1Generation of gem cutsGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2024·Application pending·0 cites
4373US2024394961A1Gemstone cut analysisGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2024·Application pending·0 cites
4472US10859505B2Fluorescence box for gemological applicationsGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2018·Granted Dec 8, 2020·1 cites·14 claims
4565US12590902B2High clarity gemstone facet and internal imaging analysisGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2023·Granted Mar 31, 2026·0 cites·11 claims
4663US2025383295A1Pearl grading instrument and methodsGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2025·Application pending·0 cites
4762US10775313B2Method and apparatus for rapidly cooling a gemGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2018·Granted Sep 15, 2020·0 cites·8 claims
4860US11543401B2Upflow cooling stage for photoluminescence analysisGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2021·Granted Jan 3, 2023·0 cites·17 claims
4960US11156592B2Upflow cooling stage for photoluminescence analysisGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2018·Granted Oct 26, 2021·1 cites·23 claims
5060US2023083053A1Laser inscription for gemstonesGEMOLOGICAL INST OF AMERICA INC GIA·Filed 2022·Application pending·0 cites

Showing the top 50 of 53 patent records by PatentIndex Score.

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