Background
Sonohara, Toyoji was born on April 25, 1940 in Tokyo. Son of Shinmatsu and Ritsuyo (Itô) Sonohara.
Sonohara, Toyoji was born on April 25, 1940 in Tokyo. Son of Shinmatsu and Ritsuyo (Itô) Sonohara.
Bachelor of Science, Waseda University, Tokyo, 1963. Master of Science, Waseda University, Tokyo, 1967.
Head section Marketing Research Service, Tokyo, 1967-1971. Director Marketing Study, 1971-1977. President Communications Science Institute, since 1977.
Member American Medical Association, JMRA (managing director 1990-1992).
Married Yosiko Nakgawa, March 10, 1969. 2 children.