Priority Date: 19.11.99 (JP 19990330183)

Image processing apparatus, method and computer program for extracting additional information added images by error diffusion watermarking

  • Application ID: EP14193042
  • Status: EXAMINATION IN PROGRESS

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Specialization

This patent has the IPC combination G06 (COMPUTING; CALCULATING; COUNTING) and H04 (ELECTRIC COMMUNICATION TECHNIQUE) is specialized in the combination G06 and H04. We found, that Fritzsche Patent, Bardehle Pagenberg Partnerschaft mbB, Boehmert & Boehmert Anwaltspartnerschaft mbB, Boult Wade Tennant Ltd, D Young & Co LLP and 109 others are specialized in all of these IPC classes. For a similar patent, they might be a good choice.

Timeline

  • 19.11.1999 - Priority Date (JP 19990330183)
  • 29.04.2015 - Publication A1 (EP2866191)

IPC Classification