Senior Research Engineer, Human and Information Science, Science and Technical Research Laboratories, NHK , Japan Broadcasting Corporation. Since graduating from Keio University, Japan, with a Master Degree in Electrical Engineering, he has worked for NHK involved in research and development of video coding, quality measurement, digital broadcasting, HDTV, UHDTV. He has frequently participated in standardization activities in the area of broadcasting, and was Vice Chairman of Working Party 6A in the ITU-R. He participates in EBU project group B/ TQE (Television Quality Evolution). In 1992, he spent six months at RAI Research Centre in Italy, working on video coding technology.