| Assistant Judge, Tokyo District Court (1964-1967) |
| Assistant Judge, General Affairs Bureau, Supreme Court (1967-1970) |
| Assistant Judge, Hakodate District Court (1970-1973) |
| Judicial Research Official, Supreme Court (1973-1976) |
| Director, Second Civil Affairs Division, Supreme Court (1976-1980) |
| Director, First and Third Civil Affairs Divisions, Supreme Court (1980-1982) |
| Judge, Tokyo District Court (1982-1984) |
| Presiding Judge of the Division, Tokyo District Court (1984-1987) |
| Director of the General Affairs Bureau, Tokyo High Court (1987-1990) |
| Director of the Civil/Administrative Affairs Bureau, Supreme Court (1990-1994) |
| Chief Judge, Maebashi District Court (1994-1996) |
| Presiding Judge of the Division, Tokyo High Court (1996-1998) |
| Presiding Judicial Research Official, Supreme Court (1998-2002) |
| President, Sendai High Court (2002) |
| President, Tokyo High Court (2002-2004) |
| Justice, Supreme Court (2004-2009) |
| TMI Associates (Advisor Attorney, 2010-Present) |
| Visiting Professor, Tohoku University Law School (2010-Present) |
