Patents (only European patents are listed)
  • Zolliker P, “Color management via reference gamut” EP1370070 (2004).
  • Zolliker P, “Method and apparatus for improving image contrast” EP1365575 (2004).
  • Meier R, Zolliker P, Heimgartner E, „Optimization of digital image data using color management” EP1370071 (2003).    
  • Meier R, Zolliker P, “Colour modeling for a photograph” EP1227659 (2002).
  • Zolliker P, Kraft W, “Apparatus for optimizing photographic image data” EP1100255 (2001).
  • Kraft W, Zolliker P, Wacker R, “Process for making photographic copies from photographic originals” EP0825481 (2000).
  • Kraft W, Zolliker P, “Method of producing copies of photographic originals” EP0802449 (1999).
  • Kraft W, Zolliker P, “A method of calibrating a photographic printer”, EP0827017 (1998).