| 06/05/1951 | Drafted in the 1951 first-year player draft by the Rakisuta Rams. (Round 4, Pick 4, 40th overall pick). |
| 10/11/1951 | Named the #67 prospect in the BAN |
| 03/26/1952 | Unsuccessfully completed training to increase his endurance on the mound at the Rakisuta Rams development complex. |
| 05/01/1952 | Named the #65 prospect in the BAN |
| 03/26/1953 | Unsuccessfully completed training to increase his endurance on the mound at the Rakisuta Rams development complex. |
| 05/01/1953 | Named the #72 prospect in the BAN |
| 07/16/1953 | Named the #91 prospect in the BAN |
| 08/04/1953 | Released by the Rakisuta Rams. |
| 08/10/1953 | Signed a 1-year minor league contract with the Denki Dynamics organization. |
| 11/14/1953 | Was traded by the Denki Dynamics to the Vesutan Bees, along with SP Korenaga Nakamura, in exchange for C Takechi Kinoshita and CF Yashiya Okazaki. |
| 05/01/1954 | Named the #71 prospect in the BAN |
| 07/01/1954 | Released by the Vesutan Bees. |
| 07/06/1954 | Signed a 1-year minor league contract with the Vesutan Bees organization. |
| 07/16/1954 | Named the #82 prospect in the BAN |
| 03/26/1955 | Unsuccessfully completed training to increase his velocity at the Vesutan Bees development complex. |
| 05/01/1955 | Named the #79 prospect in the BAN |
| 07/16/1955 | Named the #84 prospect in the BAN |
| 03/26/1956 | Detrimentally completed training to increase his velocity at the Vesutan Bees development complex. |
| 06/25/1956 | Pitches a 4-hit shutout against the Kobe Bulls with 3 strikeouts and 2 BB allowed! |
| 07/26/1957 | Pitches a 3-hit shutout against the Fukuoka Falcons with 3 strikeouts and 2 BB allowed! |
| 05/01/1959 | Unsuccessfully completed training to improve his defense at pitcher at the Vesutan Bees development complex. |
| 07/31/1960 | Was selected to the 1960 Baseball Association of Nippon All-Star Game. |
| 05/01/1962 | Successfully completed training to improve his defense at pitcher at the Vesutan Bees development complex. |
| 01/01/1963 | OSA scouting updated ratings: Stuff: 2; Movement: 3; Control: 2. |
| 01/01/1963 | OSA scouting updated ratings: Stuff: 2; Movement: 3; Control: 2. |
| 09/04/1963 | Released by the Vesutan Bees. |
| 09/30/1963 | Signed a 1-year contract worth a total of $23,800 with the Rakisuta Rams organization. |
| 01/01/1964 | OSA scouting updated ratings: Stuff: 2; Movement: 3; Control: 2. |
| 07/24/1964 | Released by the Rakisuta Rams. |
| 07/29/1964 | Signed a 1-year contract worth a total of $19,400 with the Vesutan Bees organization. |
| 09/07/1967 | Released by the Vesutan Bees. |
| 10/14/1968 | Retired from professional baseball. |
| LEADERBOARD APPEARANCES |
| Year | G | Rank | | 1958 | 61 | 2 | | 1959 | 43 | 5 | | 1960 | 63 | 3 | | 1966 | 50 | 6 | | | | Year | Win. % | Rank | | 1957 | .684 | 7 | | | Year | SV | Rank | | 1958 | 15 | 3 | | 1959 | 7 | 6 | | 1960 | 17 | 3 | | 1966 | 7 | 8 | | | Year | HLD | Rank | | 1958 | 1 | 9 | | 1960 | 4 | 4 | | 1961 | 9 | 3 | | 1962 | 8 | 2 | | 1964 | 4 | 5 | |
| Year | BABIP | Rank | | 1957 | .251 | 6 | | | Year | WHIP | Rank | | 1957 | 1.25 | 8 | | | Year | RA/9 | Rank | | 1957 | 11.29 | 6 | | | Year | RA | Rank | | 1958 | 59 | 2 | | 1960 | 63 | 3 | | 1966 | 50 | 6 | | | Year | GF | Rank | | 1958 | 50 | 2 | | 1959 | 22 | 8 | | 1960 | 53 | 3 | | 1965 | 25 | 10 | | 1966 | 34 | 6 | |
| Year | SHO | Rank | | 1956 | 1 | 6 | | 1957 | 1 | 9 | | | Year | GB% | Rank | | 1957 | 0.51 | 8 | | | | |