YANGTZE OPTICAL FIBRE AND CABLE JOINT STOCK LIMITED COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 14191
 
  
 
C03B MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL 344
 
  
 
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
 
  
 
B23B TURNING; BORING 151
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 1100
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 177
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1110
 
  
 
H05H PLASMA TECHNIQUE 129

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9874687 Single-mode fiber with ultralow attenuation and large effective areaMar 02, 17Jan 23, 18[G02B]
9743478 Light intensity adjustable ultraviolet device for curing optical fiber coatingDec 19, 16Aug 22, 17[C03C, G01J, B05D, H05B]
9632245 Bend-insensitive multimode optical fiberNov 03, 15Apr 25, 17[G02B]
9348087 Bending insensitive single-mode optical fiberMar 04, 14May 24, 16[G02B]
9282625 Plasma resonant cavityOct 09, 12Mar 08, 16[H05H]
9261646 Optical fiber with large effective areaJul 03, 13Feb 16, 16[G02B]
9207396 Single mode optical fiber with large effective areaJul 03, 13Dec 08, 15[G02B]
9201192 Bending insensitive single mode optical fiberMar 04, 14Dec 01, 15[G02B]
9145326 Rotary seal chuck of optical fiber preform rod deposition latheMar 13, 12Sep 29, 15[B23B, C03B]
9140851 Dispersion compensation fiberMar 13, 12Sep 22, 15[G02B]

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Expired/Abandoned/Withdrawn Patents

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