(19)
(11) EP 2 565 171 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
11.03.2020 Bulletin 2020/11

(45) Mention of the grant of the patent:
12.02.2020 Bulletin 2020/07

(21) Application number: 11789890.8

(22) Date of filing: 02.06.2011
(51) International Patent Classification (IPC): 
C03C 25/24(2018.01)
G02B 6/44(2006.01)
 C03C 25/1065(2018.01)
G02B 6/02(2006.01)
(86) International application number:
PCT/JP2011/062681
(87) International publication number:
WO 2011/152488 (08.12.2011 Gazette 2011/49)

(54)

OPTICAL FIBER CORE

GLASFASERKERN

COEUR DE FIBRE OPTIQUE

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 02.06.2010 JP 2010126910

(43) Date of publication of application:
06.03.2013 Bulletin 2013/10

(73) Proprietor: Fujikura Ltd.
Tokyo 135-8512 (JP)

(72) Inventors:
  • NAMAZUE Akira
    Sakura-shi Chiba 285-8550 (JP)
  • MURATA Akira
    Sakura-shi Chiba 285-8550 (JP)
  • ISAJI Mizuki
    Sakura-shi Chiba 285-8550 (JP)

(74) Representative: Plasseraud IP 
66, rue de la Chaussée d'Antin
75440 Paris Cedex 09
75440 Paris Cedex 09 (FR)


(56) References cited: : 
JP-A- H09 508 886
JP-A- 2007 334 111
US-A1- 2003 045 600
 JP-A- 2006 215 445
US-A- 5 744 514
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).