Background
Kumakawa, Masashi was born on January 15, 1933 in Yotsukaido City, Chiba Pref, Japan. Son of Munenaga and Kau (Ueda) Kumakawa.
Kumakawa, Masashi was born on January 15, 1933 in Yotsukaido City, Chiba Pref, Japan. Son of Munenaga and Kau (Ueda) Kumakawa.
Bachelor of Science, Tohoku University, Sendai City, Japan, 1955.
Chemical analyst, researcher, Teiseki Telnite Limited company, Sakata City, Japan, 1955-1961; chief production department, Japan Petroleum Exploration Company Ltd., Tokyo, 1961-1971; managing director, Japan Oil Engineering Limited company, Tokyo, 1971-1991; representative, North Japan Oil Limited company, Sakata City, 1991-1998; director, Akita Prefecture Natural Gas Transmission Limited company, Akita City, Japan, 1991-1997. Consultant Petroliam Nasional Berhad (Petronas Bhd), Kuala Lumpur, Malaysia, 1978. Chief, member committees Ministry of International Trade and Industry and related organizations, Tokyo.
Managing director, area chief Midoridai area branch Funabashi City Bereaved Families Association, since 1990. Member Japanese Association Petroleum Technology (director 1986-1991), Japan Petroleum Institute (manager resources department 1988-1991).
Married Mitsuko Toki, April 30, 1958. Children: Ken, Hajime, Manabu.