| 06/05/1954 | Drafted in the 1954 first-year player draft by the Denki Dynamics. (Round 1, Pick 8, 8th overall pick). |
| 03/26/1955 | Successfully completed training to improve his secondary pitch at the Denki Dynamics development complex. |
| 03/26/1956 | Unsuccessfully completed training to increase his endurance on the mound at the Denki Dynamics development complex. |
| 03/24/1958 | Unsuccessfully completed training to increase his endurance on the mound at the Denki Dynamics development complex. |
| 03/24/1959 | Successfully completed training to improve his secondary pitch at the Denki Dynamics development complex. |
| 03/23/1960 | Successfully completed training to make one of his poorer pitches more usable at the Denki Dynamics development complex. |
| 03/23/1961 | Unsuccessfully completed training to increase his endurance on the mound at the Denki Dynamics development complex. |
| 01/30/1962 | Was traded by the Denki Dynamics to the Fukuoka Falcons, along with LF Ryota Uehara, in exchange for CF Toshifumi Koyanagi. |
| 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. |
| 07/31/1963 | Was selected to the 1963 Baseball Association of Nippon All-Star Game. |
| 01/01/1964 | OSA scouting updated ratings: Stuff: 3; Movement: 4; Control: 2. |
| 09/05/1970 | Injured (oblique strain),out for 2 weeks. |
| 06/25/1972 | Injured (mild calf strain),day-to-day for 1 day. |
| 10/13/1973 | Retired from professional baseball. |
| LEADERBOARD APPEARANCES |
| Year | G | Rank | | 1956 | 56 | 4 | | 1961 | 56 | 4 | | 1962 | 63 | 2 | | 1963 | 67 | 2 | | 1964 | 57 | 7 | | 1967 | 49 | 8 | | 1968 | 42 | 9 | | 1969 | 61 | 4 | | 1971 | 45 | 6 | | 1972 | 50 | 8 | | | Year | GS | Rank | | 1957 | 31 | 4 | | 1958 | 34 | 1 | | 1959 | 32 | 2 | | 1960 | 30 | 2 | | | Year | L | Rank | | 1958 | 17 | 1 | | 1959 | 14 | 6 | | 1961 | 11 | 6 | | | Year | SV | Rank | | 1956 | 8 | 9 | | 1961 | 11 | 2 | | 1962 | 24 | 1 | | 1963 | 18 | 4 | | 1964 | 14 | 4 | | 1967 | 8 | 8 | | 1969 | 21 | 3 | | 1970 | 6 | 5 | | 1972 | 4 | 10 | | | Year | HLD | Rank | | 1956 | 1 | 9 | | 1961 | 3 | 8 | | 1964 | 3 | 10 | | 1966 | 3 | 7 | | 1967 | 6 | 4 | | 1968 | 8 | 2 | | 1969 | 2 | 9 | | 1970 | 4 | 3 | | 1971 | 7 | 1 | |
| Year | IP | Rank | | 1959 | 205.2 | 10 | | | | Year | BB | Rank | | 1957 | 92 | 3 | | 1958 | 101 | 4 | | 1959 | 82 | 7 | | 1960 | 83 | 4 | | | Year | WP | Rank | | 1958 | 6 | 6 | | 1960 | 5 | 6 | | | Year | ERA | Rank | | 1959 | 2.84 | 8 | |
| Year | BABIP | Rank | | 1959 | .266 | 10 | | | Year | HR/9 | Rank | | 1958 | 0.52 | 5 | | 1959 | 0.44 | 5 | | | Year | H/9 | Rank | | 1959 | 7.92 | 8 | | | Year | RA | Rank | | 1956 | 56 | 4 | | 1961 | 51 | 7 | | 1962 | 63 | 2 | | 1963 | 67 | 2 | | 1964 | 57 | 5 | | 1967 | 49 | 8 | | 1968 | 42 | 9 | | 1969 | 61 | 4 | | 1970 | 26 | 7 | | 1971 | 45 | 5 | | 1972 | 50 | 8 | | | Year | GF | Rank | | 1956 | 35 | 7 | | 1961 | 44 | 2 | | 1962 | 54 | 1 | | 1963 | 57 | 2 | | 1964 | 38 | 7 | | 1969 | 56 | 3 | | 1970 | 14 | 10 | | 1972 | 32 | 8 | |
| | | Year | QSP | Rank | | 1959 | .719 | 5 | | | Year | GB% | Rank | | 1958 | 0.53 | 6 | | | |