ENCRYPTION PROCESSING DEVICE, METHOD FOR BUILDING ENCRYPTION PROCESS ALGORITHM… Application EP-2048641-A4 European Patent Office 19 Apr 2017
ENCRYPTION DEVICE, ENCRYPTION METHOD, AND COMPUTER PROGRAM Application EP-2058780-A4 European Patent Office 09 Mar 2011
ENCRYPTION DEVICE, ENCRYPTION METHOD, AND COMPUTER PROGRAM Application EP-2058780-A1 European Patent Office 13 May 2009