OPTICAL FIBER, OPTICAL FIBER COUPLER INCLUDING THE SAME, ERBIUM LOADED OPTICAL FIBER AMPLIFIER AND LIGHT GUIDE

Details for Australian Patent Application No. 2003252476 (hide)

Owner FUJIKURA LTD.

Inventors IKEDA, Masashi; NAKAYAMA, Masakazu; HIMENO, Kuniharu; OHTSUKA, Masaaki; OOHASHI, Masakazu; TANAKA, Daiichiro

Pub. Number AU-A-2003252476

PCT Number PCT/JP03/08598

PCT Pub. Number WO2004/005984

Priority 2002-199959 09.07.02 JP

Filing date 7 July 2003

Wipo publication date 23 January 2004

International Classifications

G02B 006/10 Light guides - of the optical waveguide type

H01S 003/067 Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves

Event Publications

16 October 2003 Complete Application Filed

  Priority application(s): 2002-199959 09.07.02 JP

11 March 2004 Application Open to Public Inspection

  Published as AU-A-2003252476

28 April 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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