title: Satoru Sakaguchi
text: # Satoru Sakaguchi
  
  Satoru Sakaguchi (阪口 悟, Sakaguchi Satoru, born August 16, 1978) is a Japanese professional shogi player, ranked 6-dan.
  
  ## Promotion history
  
  Sakaguchi's promotion history is as follows:
  
  * 6-kyū: 1991
  * 1-dan: 1996
  * 4-dan: October 1, 2004
  * 5-dan: December 8, 2009
  * 6-dan: July 19, 2018
  