| 06/05/1951 | Drafted in the 1951 first-year player draft by the Sapporo Bears. (Round 2, Pick 10, 22nd overall pick). |
| 07/16/1951 | Named the #25 prospect in the BAN |
| 10/11/1951 | Named the #25 prospect in the BAN |
| 05/01/1952 | Named the #33 prospect in the BAN |
| 07/16/1952 | Named the #23 prospect in the BAN |
| 05/01/1953 | Named the #17 prospect in the BAN |
| 03/26/1954 | Successfully completed training to add a pitch to his arsenal at the Sapporo Bears development complex. |
| 02/10/1955 | Successfully completed training to work on his bunting at the Sapporo Bears development complex. |
| 07/31/1956 | Was selected to the 1956 Baseball Association of Nippon All-Star Game. |
| 06/30/1959 | Injured (conjunctivitis),day-to-day for 3 days. |
| 01/01/1963 | OSA scouting updated ratings: Stuff: 3; Movement: 3; Control: 2. |
| 01/01/1963 | OSA scouting updated ratings: Stuff: 3; Movement: 3; Control: 2. |
| 01/01/1964 | OSA scouting updated ratings: Stuff: 3; Movement: 3; Control: 2. |
| 07/25/1966 | Injured (forearm stiffness),out for 5 days. |
| 10/11/1968 | Retired from professional baseball. |
| LEADERBOARD APPEARANCES |
| | | Year | Win. % | Rank | | 1967 | .600 | 5 | | | Year | SV | Rank | | 1957 | 5 | 8 | | 1960 | 5 | 9 | | 1964 | 3 | 10 | | | Year | HLD | Rank | | 1956 | 1 | 9 | | 1957 | 2 | 1 | | 1961 | 3 | 8 | | 1962 | 3 | 4 | | 1964 | 4 | 5 | | 1966 | 9 | 3 | | | Year | WP | Rank | | 1962 | 8 | 3 | | 1967 | 12 | 2 | | 1968 | 10 | 1 | |
| Year | ERA | Rank | | 1967 | 3.09 | 10 | | | Year | BABIP | Rank | | 1967 | .232 | 5 | | | Year | HR/9 | Rank | | 1967 | 0.68 | 8 | | | Year | H/9 | Rank | | 1967 | 7.11 | 7 | | |
| | | Year | GB% | Rank | | 1967 | 0.56 | 7 | | | | |