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IL43465A
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1973-10-23 |
1976-12-31 |
Yeda Res & Dev |
Gem identification
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JPS5129983A
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1974-08-26 |
1976-03-13 |
Shuichi Matsumoto |
Daiyamondono shikichoshikibetsuhoho oyobisono sochi
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IL58344A
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1978-10-09 |
1983-09-30 |
De Beers Cons Mines Ltd |
Method of assessing the colour of gems
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1980-06-04 |
1983-11-29 |
Lawrence John C |
Centering and working gemstones
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1981-04-04 |
1982-10-12 |
Ii R C:Kk |
Comparing and evaluating device for jewel and jewelry, enabling substitution of price element
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1981-04-15 |
1982-10-21 |
Ii R C:Kk |
Identification of jewel and jewely by video
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1981-06-25 |
1983-01-05 |
Shimadzu Corp |
ダイヤモンドカラ−測定装置
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JPS59103258U
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1982-12-28 |
1984-07-11 |
内藤 清 |
ダイヤモンドの鑑別装置
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JPS60109041U
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1983-12-27 |
1985-07-24 |
有限会社 ジエイ デイ− エム |
ダイヤモンド等の宝石の輝きの判定器具
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1985-12-20 |
1993-02-09 |
Gersan Establishment |
Shape sorting
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1985-12-20 |
1986-02-05 |
Gersan Ets |
Sorting
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1988-05-06 |
1993-04-27 |
Gersan Establishment |
Sensing a narrow frequency band of radiation and gemstones
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1988-11-09 |
1988-12-14 |
Gersan Anstalt |
Sensing shape of object
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1994-10-13 |
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Andrychuk; Dmetro |
Method and apparatus for determining the facet angles of a gemstone
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Marion Matthews |
Method and apparatus for distinguishing synthetic diamonds from natural diamonds
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System and methods for evaluating the appearance of a gemstone
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2001-12-13 |
2005-04-21 |
Overseas Diamonds Technologies |
Vorrichtung zur Erzeugung von Daten für die Bestimmung von Eigenschaften von Edelsteinen und Verfahren für die Bestimmung von Eigenschaften von Edelsteinen
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2003-01-22 |
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Cyvera Corporation |
Hybrid random bead/chip based microarray
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2002-08-20 |
2009-11-17 |
Illumina, Inc. |
Method and apparatus for drug product tracking using encoded optical identification elements
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Illumina, Inc. |
Optical reader system for substrates having an optically readable code
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Method of reading encoded particles
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2004-11-17 |
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Lithographically fabricated holographic optical identification element
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2002-08-20 |
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Encoded particle having a grating with variations in the refractive index
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2002-09-12 |
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Method of manufacturing of diffraction grating-based optical identification element
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Method and apparatus for aligning microbeads in order to interrogate the same
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Overseas Diamonds Inc. |
Computer-implemented method of and system for teaching an untrained observer to evaluate a gemstone
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Diffraction grating-based encoded element having a substance disposed thereon
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Optical identification element having non-waveguide photosensitive substrate with diffraction grating therein
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2004-11-16 |
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Scanner having spatial light modulator
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Holographically encoded elements for microarray and other tagging labeling applications, and method and apparatus for making and reading the same
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Method for grading gemstone cut and symmetry
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Cut grading gemstones, evaluation and representation of symmetry and proportion
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Gemstone sorting
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