Masatoshi Shima

Masatoshi Shima (Japanese嶋 正 利Shima Masatoshi, born August 22, 1943 in Shizuoka, Shizuoka Prefecture) is a Japanese computer engineer. He was significantly involved in the development of the Intel 4004, the first commercial microprocessor.

Life and work

Shima studied chemistry at Tohoku University with a bachelor 's degree in 1967. Starting from 1969 he worked for the Japanese calculator manufacturer Busicom, who wanted to use a micro chip from Intel for their computer whose first specification as suggested by Ted Hoff, Stan Mazor and Shima comes. In 1970 Federico Faggin at Intel, and Shima assisted him in 1970 at the logic design, simulation and test of the 4004th He was also involved in the design of the Intel 8080 processor, and went in 1975 with Faggin to Zilog, where he interested in creating Zilog Z80 was involved ( and the successor Z8000 ).

In 1980 he was back at Intel as director of the Japan Design Center. In 2000 he became a professor at the University of Aizu, where he retired in 2004.

He is a Fellow of the Computer History Museum. In 1997 he received the Kyoto Prize with Hoff, Faggin and Mazor.

554611
de