Priority Date: 21.05.13 (JP 20130107499)

Optical transmission apparatus and optical transmission method

  • Application ID: EP14165601
  • Status: Request for examination was made


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This EP application has the IPC class H04 (ELECTRIC COMMUNICATION TECHNIQUE). Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.


  • 21.05.2013 - Priority Date (JP 20130107499)
  • 26.11.2014 - Publication A2 (EP2806587)
  • 26.07.2017 - Publication A3 (EP2806587)

IPC Classification