Hiroshi Inose

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Hiroshi Inose (猪瀬 博 Inose Hiroshi?, January 5, 1927 in Tokyo – October 11, 2000) was an electrical engineer, known as the inventor of the Time-Slot Interchange system, which is basic to modern digital telephone switches.


Inose graduated with a Bachelor of Engineering from the University of Tokyo in 1948, and received his doctorate there in 1955. From 1956 to 1958 he was an associate at the University of Pennsylvania and a consultant at Bell Labs, where he developed the time slot interchange system. From 1961 to 1987 he returned to the University of Tokyo as a professor of electrical engineering, after which he became the Director General of Japan's National Center for Science Information Systems.

In 1976 he received the Marconi Prize, in 1993 the Harold Pender Award, and in 1994 the IEEE Alexander Graham Bell Medal.

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Preceded by
Donald Cox
IEEE Alexander Graham Bell Medal
Succeeded by
Irwin M. Jacobs