Whale meat has been one of traditional diets in Japan. However whaling is now prohibited except for the purpose of scientific research. Therefore it is important to keep an eye on poaching and to make distribution routes clear to obtain an international credibility. Then it is highly required to build...
Technologies that enable traceability for fishery products are increasing their demands. Recently proposed technologies are mainly based on disposal RF(IC) tags which are able to record information directly onto them. However, the current systems based on RF tags have problems of expensive price of tags, and weakness of reading information...