----------Japan gov't says U.S. President Trump to visit country for 3 days from Mon. Trump is slated to visit Japan for the first time in about six years. Takaichi, who won the ruling Liberal Democratic Party's presidential election on Oct. 4, became Japan's first female prime minister on Tuesday, succeeding Shigeru Ishiba. I'm looking forward to working together," after Takaichi was elected prime minister in parliament on Tuesday. ----------VIDEO: Prime Minister Sanae Takaichi sworn in at Imperial Palace