Birth Date: 10 Nov 1938
1962:Univ.Tokyo,graduate 1962:Electro-Technical Laboratory(MITI) 1978:Hiroshima Univ. '80;Information Theory(Corona Publ) '83;Exercise in Information Theory(Corana Publ) '85;Informational Revolution(KyorituPubl) '92;Introduction to Information Science(kyoritu Publ) 1994:Hiroshima City Univ. 2005:Retired