Isuzu Glass Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C03C CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS357
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5324691 Glass compositionJul 27, 92Jun 28, 94[C03C]
5242869 Colored glassJul 08, 92Sep 07, 93[C03C]
5145805 Glass compositionsAug 13, 91Sep 08, 92[C03C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0214,788 Glass Substrate With Light Directivity and Illuminator Employing the SameAbandonedAug 08, 06Aug 26, 10[F21V, F21S]
2010/0165,454 Method for Manufacturing Gradient-Index Optical Element Having Infrared Absorbing AbilityAbandonedAug 08, 06Jul 01, 10[B05D, G02B]
2010/0067,101 METHOD FOR PRODUCTION OF DISTRIBUTED REFRACTIVE INDEX-TYPE OPTICAL ELEMENT HAVING ULTRAVIOLET RAY-ABSORBING ABILITYAbandonedMar 27, 08Mar 18, 10[F21V, B05D, G02B]
7573645 Method for manufacturing optical element of refractive index distribution typeExpiredFeb 15, 05Aug 11, 09[C03C, G02B]
7522803 Process for producing optical deviceExpiredFeb 15, 05Apr 21, 09[G02B]
7341967 Glass for press moldingExpiredSep 07, 04Mar 11, 08[C03C]
7095935 Method for forming optical waveguideExpiredDec 09, 02Aug 22, 06[G02B]

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