Hisao Yamada
| Hisao Yamada | |
|---|---|
| Born | June 8, 1930 |
| Died | May 21, 2008 (aged 77) |
| Fields | Computer science |
| Alma mater | University of Pennsylvania |
| Doctoral advisor | Robert McNaughton |
| Notable students | Rao Kosaraju |
Hisao Yamada (山田 尚勇 Yamada Hisao, June 8, 1930 – May 21, 2008) was a Japanese computer scientist, known for his influential contributions to theoretical computer science, as well as for the development of Japanese keyboard layouts, a challenging practical problem. From 1972 to 1991, he was professor of the formal languages division at the Department for Information Science at the University of Tokyo.
In the field of theoretical computer science, Yamada introduced the notion of real-time computability. As his colleague Aravind Joshi recalls:
This work was very positively reviewed not only in the computer science related journals but also in other theoretical journals such as the Journal of Symbolic Logic. Dr. Yamada’s work also played a key role in the early days of the field of computational complexity, by now a very well established area in computer science.
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