prime minister (as the head of a cabinet government); premier
Minister for Foreign Affairs
Minister of the Left (official in Nara and Heian periods)
minister of state; cabinet minister (Japan)
Lord Keeper of the Privy Seal (1885-1945); Minister of the Interior (669-1868)
Minister of Defense; Minister of Defence
Army Minister; Minister of War
Minister of Education, Culture, Sports, Science and Technology
Minister of Agriculture and Commerce (Meiji-Taisho)
Minister of the Imperial Household
Minister of Health and Welfare
Minister of the Environment
Minister of Land, Infrastructure and Transport
Minister of Economy, Trade and Industry
Minister of Internal Affairs and Communications
Minister of Agriculture and Forestry
Minister of Agriculture, Forestry and Fisheries
Minister of Communications and Transportation (1885-1949)
Minister of State for Special Missions; Minister of State for Science and Technology Policy
State Minister in Charge of Financial Affairs
Minister for Reconstruction
Minister of Posts and Telecommunications
nominal (figurehead) minister; titular minister
Minister of International Trade and Industry
minister without a portfolio
the cabinet minister in charge
State Minister in Charge of Issues of Okinawa and Northern Territories
State Minister in Charge of Regulatory Reform
State Minister in Charge of Science and Technology Policy
State Minister in Charge of Postal Services Privatization
State Minister in Charge of Economic and Fiscal Policy