Toshinori Sato, Kiichi Sugitani, Akihiko Hamano
and Itsujiro Arita*
*Department of Artificial Intelligence
+Center for Microelectronic Systems
Kyushu Institute of Technology
680-4 Kawazu, Iizuka, 820-8502 Japan
++Fujitsu Kyushu Digital Technology Ltd.
Fukuoka, Japan
**HAW International Inc.
Iizuka, Japan