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Professor Tadao Saito
Prof. Tadao Saito received his PhD. in electronics from the University of Tokyo in 1968. Subsequently he served as lecturer, associate professor and professor of the University of Tokyo, where he is now a Professor Emeritus.

Since April 2001, Saito is the Chief Scientist and CTO of Toyota InfoTechnology Center, where he studies future ubiquitous information services around automobiles.

Professor Saito has worked in a variety of subjects related to digital communication and computer networks. His first patent from 1964 is on digital time division switching networks and he invented both Time-Space-Time and Space-Time-Space time division switches which are the core technology for time division (TDM) telephone switching systems globally used since 1975. Although voice switching is now shifting from TDM to IP, Tadao's switching principle is still the core technology in traditional voice switching systems generally used in the world. His research includes a variety of communication networks and its social applications such as ITS (Intelligent Transport System). Saito is also the chairman of New Generation IP Network Forum of Japan.

Included in his past research from the 1970's, Saito was a member of the designing group for the Tokyo Metropolitan Area Traffic Signal Control System. This system was designed to control 7000 intersections under the Tokyo Police Authority.

Tadao authored two books on electronic circuitry, four books on computers and two books on digital communication and multimedia. He also worked on a variety of "deregulation of communication services" to form a legal framework suited for advanced network technology in Japan. From 1998 to 2002 he was the chairman of the Telecommunication Business Committee of the Telecommunication Council of the Japanese government and contributed to regulatory policy of telecommunication business for broadband networks. Based on the new regulations, Japan now has a penetration of optical fiber involving 40% of total households, which is No.1 in the world.

Tadao is also the Japanese representative for the International Federation for Information Processing (IFIP) General Assembly and Technical Committee 6 (Communication Systems). He is a life fellow of the IEEE and honorary member and life fellow of the IEICE.

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