- Born on 9/6/1978.
- In 1993, became 1p.
- In 2003, promoted to 9p.
- In 1994, winner of 19th Kisei Tournament 2 Dan Division.
- In 1996, winner of 21th Kisei Tournament 3 Dan Division.
- In 1998, winner of 23rd Kisei Tournament 5 Dan Division.
- From 1998 and 2001, won 23rd to 26th Shin-Jin-O (New Pro) champions for four consecutive years.
- In 2000, won 30th Shin-Ei (New Star) champion.
- In 2003, won 27th Kisei Title by beating O Rissei 4:1, the challenger of 28th Meijin title and challenger of 29th Tengen title.
- In 2004, won 30th Tengen title by defeating Hane Naoki 3:0 in the final.
- In 2006, won 30th Kisei title by defeating Hane Naoki by 4:0 and won 54th Oza title by defeating Cho U with 3:1 in the final.
- In 2007-2009, successfully defended his Kisei title.
- In 2009, won 35th Tengen title.
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