KASEI OPTONIX, LTD.

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Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5989455 Aluminate phosphor, process for preparing the same, and vacuum ultraviolet-excited light emitting deviceDec 07, 98Nov 23, 99[C09K, H01J]
5951915 Phosphorescent phosphorJul 20, 98Sep 14, 99[C09K]
5611959 Aluminate phosphorAug 16, 95Mar 18, 97[C09K]
5363013 Phosphor and cathode-ray tube using the sameOct 06, 92Nov 08, 94[H01J]
5304889 Color cathode-ray tube, and surface-treated phosphor and method for its productionMay 16, 91Apr 19, 94[H01J]
5217647 Method for preparing rare earth oxysulfide phosphorOct 31, 91Jun 08, 93[C09K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7001537 Phosphor and its production processExpiredNov 06, 03Feb 21, 06[C09K]
6712993 Phosphor and its production processExpiredDec 23, 02Mar 30, 04[C09K]
2003/0209,693 Phosphor consisting of hollow particles, phosphor slurry, phosphor beads for analysis using tracer technique and their production processesAbandonedJun 19, 03Nov 13, 03[C09K]
6627113 Phosphor consisting of hollow particles, phosphor slurry, phosphor beads for analysis using tracer technique and their production processesExpiredApr 19, 01Sep 30, 03[C09K]
2002/0182,140 Method for producing phosphorAbandonedJun 03, 02Dec 05, 02[C01F]
6486477 Radiographic intensifying screen setExpiredNov 29, 99Nov 26, 02[G01T]
2001/0046,553 PROCESS FOR FORMING A PHOSPHOR SCREEN FOR DISPLAYAbandonedAug 10, 99Nov 29, 01[B05D]
6232611 Radiographic intensifying screenExpiredDec 29, 95May 15, 01[G21K]
6143200 Rare earth oxysulfide phosphor and X-ray detector using the sameExpiredDec 10, 98Nov 07, 00[C09K, G01T]
6091183 Piezoelectric element and method for driving the sameExpiredDec 08, 97Jul 18, 00[H01L]
6020067 Phosphor having surface coated with a quaternary salt-containing compoundExpiredSep 09, 97Feb 01, 00[B32B]
5665660 Glass composition for bonding a phosphor and a fluorescent lampExpiredJan 02, 96Sep 09, 97[H01J]
5614783 Fluorescent lamp including fired non-luminescent materialExpiredJan 31, 95Mar 25, 97[H01J]
5600202 Green-emitting phosphor and cathode-ray tube employing itExpiredAug 30, 95Feb 04, 97[H01J, C09K]
5477053 Radiographic intensifying screen and process for preparing the sameExpiredJun 06, 94Dec 19, 95[G21K]
5438234 Fluorescent lampExpiredAug 07, 92Aug 01, 95[C09K, H01J]
5418005 Method for reclaiming pigment-attached red-emitting phosphorExpiredSep 24, 93May 23, 95[B05D, B32B]
5394055 Color picture tube with the fluorescent film of the red emission component having a mixture of europium activated rare earth oxide phosphorsExpiredNov 16, 92Feb 28, 95[H01J, C09K]
5387836 Rare earth oxysulfide phosphor and high resolution cathode ray tube employing itExpiredSep 02, 92Feb 07, 95[H01J]
5368886 Method for producing surface treated phosphor particlesExpiredNov 15, 93Nov 29, 94[C09K]

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