Background
Ohtsuka, Kazumasa was born on May 6, 1924 in Yokohama, Japan. Son of Yakichi and Kyuno (Sugano) Ohtsuka.
Ohtsuka, Kazumasa was born on May 6, 1924 in Yokohama, Japan. Son of Yakichi and Kyuno (Sugano) Ohtsuka.
Master, Tokyo University, 1946.
Chemical researcher, Hodogaya Chemical Indiana Company, Yokohama, 1947-1956; chemical researcher, Japan Leather Company, Tokyo, 1956-1962; visiting research scientist, Stanford Research Institute, Menlo Park, California, 1962-1964; chemical researcher, Japan Leather Company, Tokyo, 1964-1986; independent research chemist, Yokohoma, Japan, since 1994.
Married Takako Ono, May 4, 1952. Children: Masako, Naoko, Sachie.