| 06/05/1953 | Drafted in the 1953 first-year player draft by the Denki Dynamics. (Round 1, Pick 9, 9th overall pick). |
| 03/26/1954 | Unsuccessfully completed training to increase his endurance on the mound at the Denki Dynamics development complex. |
| 05/01/1954 | Named the #16 prospect in the BAN |
| 03/28/1955 | Injured (calf strain),out for 3 weeks. |
| 03/26/1956 | Unsuccessfully completed training to increase his endurance on the mound at the Denki Dynamics development complex. |
| 07/31/1956 | Was selected to the 1956 Baseball Association of Nippon All-Star Game. |
| 04/09/1957 | Unsuccessfully completed training to increase his endurance on the mound at the Denki Dynamics development complex. |
| 06/21/1957 | Injured (back spasms),day-to-day for 4 days. |
| 07/31/1957 | Was selected to the 1957 Baseball Association of Nippon All-Star Game. |
| 03/24/1958 | Unsuccessfully completed training to increase his endurance on the mound at the Denki Dynamics development complex. |
| 03/24/1959 | Unsuccessfully completed training to increase his endurance on the mound at the Denki Dynamics development complex. |
| 05/05/1960 | Injured (latissimus dorsi (back) strain),out for 5-6 weeks. |
| 03/23/1962 | Successfully completed training to increase his endurance on the mound at the Denki Dynamics development complex. |
| 01/01/1963 | OSA scouting updated ratings: Stuff: 3; Movement: 2; Control: 2. |
| 01/01/1963 | OSA scouting updated ratings: Stuff: 3; Movement: 2; Control: 2. |
| 01/01/1964 | OSA scouting updated ratings: Stuff: 3; Movement: 2; Control: 3. |
| 06/06/1968 | Released by the Denki Dynamics. |
| 10/14/1968 | Retired from professional baseball. |
| LEADERBOARD APPEARANCES |
| Year | SH | Rank | | 1956 | 9 | 9 | | 1958 | 9 | 10 | | | | Year | L | Rank | | 1956 | 18 | 1 | | 1957 | 11 | 9 | | 1958 | 12 | 6 | | 1959 | 12 | 10 | | 1961 | 10 | 8 | | 1962 | 12 | 7 | | 1963 | 14 | 2 | | | Year | HRA | Rank | | 1956 | 20 | 7 | | 1957 | 20 | 7 | | 1958 | 20 | 6 | | 1959 | 23 | 4 | | 1962 | 21 | 7 | | 1963 | 24 | 3 | | 1966 | 19 | 4 | | 1967 | 17 | 9 | | |
| Year | WP | Rank | | 1958 | 6 | 6 | | 1959 | 10 | 4 | | | Year | BABIP | Rank | | 1957 | .246 | 3 | | 1959 | .260 | 7 | | | Year | WHIP | Rank | | 1957 | 1.16 | 5 | | | Year | K/BB | Rank | | 1957 | 1.97 | 8 | | 1958 | 1.90 | 9 | | | Year | RA/9 | Rank | | 1957 | 10.59 | 5 | |
| Year | H/9 | Rank | | 1957 | 7.75 | 6 | | | Year | BB/9 | Rank | | 1957 | 2.70 | 8 | | 1958 | 2.86 | 9 | | | Year | K/9 | Rank | | 1956 | 5.46 | 9 | | 1957 | 5.32 | 9 | | | | Year | QSP | Rank | | 1957 | .700 | 6 | |
| Year | GB% | Rank | | 1956 | 0.53 | 5 | | 1957 | 0.51 | 9 | | | | | |