| 06/05/1952 | Drafted in the 1952 first-year player draft by the Vesutan Bees. (Round 2, Pick 6, 18th overall pick). |
| 03/26/1953 | Unsuccessfully completed training to increase his pitch movement at the Vesutan Bees development complex. |
| 05/01/1953 | Named the #58 prospect in the BAN |
| 03/26/1954 | Unsuccessfully completed training to improve his pitch control at the Vesutan Bees development complex. |
| 04/30/1954 | Unsuccessfully completed training to improve his defense at pitcher at the Vesutan Bees development complex. |
| 05/01/1954 | Named the #31 prospect in the BAN |
| 07/16/1954 | Named the #39 prospect in the BAN |
| 05/01/1955 | Named the #32 prospect in the BAN |
| 03/26/1956 | Successfully completed training to make one of his poorer pitches more usable at the Vesutan Bees development complex. |
| 05/01/1956 | Named the #32 prospect in the BAN |
| 06/01/1956 | Wins the BAN WL Rookie of the Month Award. |
| 06/29/1956 | Pitches a 2-hit shutout against the Kinboshi Kites with 2 strikeouts and 3 BB allowed! |
| 07/01/1956 | Wins the BAN WL Rookie of the Month Award. |
| 07/14/1956 | Injured (sore shoulder),day-to-day for one week. |
| 03/24/1957 | Unsuccessfully completed training to improve his secondary pitch at the Vesutan Bees development complex. |
| 05/22/1957 | Pitches a 4-hit shutout against the Fukuoka Falcons with 3 strikeouts and 3 BB allowed! |
| 07/21/1957 | Pitches a 4-hit shutout against the Nagasaki Stars with 1 strikeouts and 1 BB allowed! |
| 07/31/1957 | Was selected to the 1957 Baseball Association of Nippon All-Star Game. |
| 08/19/1957 | Pitches a 3-hit shutout against the Osaka Sailors with 2 strikeouts and 3 BB allowed! |
| 05/01/1959 | Successfully completed training to improve his defense at pitcher at the Vesutan Bees development complex. |
| 07/17/1959 | Injured (sore shoulder),day-to-day for 2-3 weeks. |
| 05/02/1960 | Pitches a 4-hit shutout against the Kinboshi Kites with 5 strikeouts and 1 BB allowed! |
| 05/27/1960 | Pitches a 6-hit shutout against the Fukuoka Falcons with 2 strikeouts and 1 BB allowed! |
| 09/26/1960 | Pitches a 4-hit shutout against the Nagasaki Stars with 5 strikeouts and 1 BB allowed! |
| 07/08/1962 | Pitches a 4-hit shutout against the Nagasaki Stars with 4 strikeouts and 0 BB allowed! |
| 01/01/1963 | OSA scouting updated ratings: Stuff: 2; Movement: 3; Control: 3. |
| 01/01/1963 | OSA scouting updated ratings: Stuff: 2; Movement: 3; Control: 3. |
| 03/08/1963 | Was traded by the Vesutan Bees to the Nagasaki Stars in exchange for 3B Shuuhei Yamashita. |
| 07/26/1963 | Injured (back stiffness),day-to-day for 2 days. |
| 10/13/1963 | Wins the 1963 BAN Championship Series with the Nagasaki Stars. |
| 01/01/1964 | OSA scouting updated ratings: Stuff: 2; Movement: 3; Control: 3. |
| 03/22/1964 | Successfully completed training to make one of his poorer pitches more usable at the Nagasaki Stars development complex. |
| 05/20/1966 | Pitches a 7-hit shutout against the Fukuoka Falcons with 1 strikeouts and 3 BB allowed! |
| 05/10/1967 | Pitches a 6-hit shutout against the Osaka Sailors with 4 strikeouts and 3 BB allowed! |
| 07/16/1967 | Pitches a 2-hit shutout against the Vesutan Bees with 3 strikeouts and 1 BB allowed! |
| 07/31/1967 | Was selected to the 1967 Baseball Association of Nippon All-Star Game. |
| 06/13/1968 | Pitches a 5-hit shutout against the Osaka Sailors with 2 strikeouts and 0 BB allowed! |
| 08/21/1968 | Injured (back stiffness),day-to-day for 2-3 weeks. |
| 09/01/1968 | Suffered setback in recovery from injury, will miss another 1-2 weeks. |
| 09/03/1968 | Suffered setback in recovery from injury, will miss another 2 weeks. |
| 07/17/1970 | Injured (torn fingernail),day-to-day for 3 days. |
| 06/16/1971 | Injured (flu-like symptoms),day-to-day for 1 day. |
| 07/24/1971 | Injured (strained oblique),day-to-day for 3 weeks. |
| 10/11/1972 | Retired from professional baseball. |
| LEADERBOARD APPEARANCES |
| Year | SH | Rank | | 1960 | 11 | 6 | | 1961 | 11 | 6 | | 1963 | 10 | 7 | | | Year | GS | Rank | | 1956 | 31 | 3 | | 1957 | 30 | 9 | | 1958 | 29 | 9 | | 1960 | 29 | 6 | | 1961 | 31 | 1 | | 1969 | 29 | 9 | | | Year | W | Rank | | 1957 | 12 | 8 | | 1960 | 17 | 1 | | 1965 | 11 | 8 | | 1969 | 11 | 9 | | | Year | L | Rank | | 1961 | 15 | 1 | | 1966 | 12 | 8 | | 1968 | 10 | 9 | | | Year | Win. % | Rank | | 1957 | .600 | 8 | | 1960 | .630 | 6 | | 1963 | .529 | 9 | | 1965 | .579 | 8 | | 1967 | .611 | 8 | |
| Year | IP | Rank | | 1957 | 218.1 | 7 | | 1960 | 207.1 | 4 | | 1961 | 193.2 | 8 | | | Year | BF | Rank | | 1956 | 869 | 10 | | 1957 | 916 | 7 | | 1958 | 920 | 9 | | 1960 | 889 | 3 | | 1961 | 846 | 8 | | | Year | HRA | Rank | | 1966 | 18 | 5 | | 1971 | 28 | 5 | | | Year | BB | Rank | | 1956 | 79 | 4 | | 1957 | 69 | 8 | | 1958 | 87 | 3 | | 1960 | 76 | 4 | | 1961 | 71 | 10 | | 1964 | 57 | 10 | | 1966 | 60 | 10 | | 1969 | 58 | 9 | | | Year | WP | Rank | | 1957 | 5 | 5 | | 1960 | 8 | 2 | | 1962 | 9 | 4 | | 1963 | 7 | 10 | |
| Year | ERA | Rank | | 1957 | 3.13 | 7 | | 1965 | 2.91 | 7 | | 1967 | 2.73 | 7 | | | Year | BABIP | Rank | | 1957 | .258 | 8 | | 1960 | .253 | 7 | | 1961 | .273 | 10 | | 1962 | .246 | 4 | | 1965 | .244 | 6 | | 1967 | .215 | 1 | | 1971 | .265 | 6 | | | Year | WHIP | Rank | | 1957 | 1.23 | 6 | | 1961 | 1.35 | 9 | | 1962 | 1.24 | 10 | | 1965 | 1.11 | 5 | | 1967 | 1.07 | 3 | | | Year | K/BB | Rank | | 1968 | 2.02 | 10 | | | Year | RA/9 | Rank | | 1957 | 11.29 | 7 | | 1965 | 10.20 | 5 | | 1967 | 10.17 | 5 | |
| Year | HR/9 | Rank | | 1956 | 0.64 | 4 | | 1957 | 0.54 | 6 | | 1965 | 0.57 | 8 | | 1969 | 0.45 | 7 | | | Year | H/9 | Rank | | 1957 | 8.20 | 8 | | 1962 | 7.89 | 7 | | 1965 | 7.69 | 5 | | 1967 | 6.78 | 3 | | | Year | BB/9 | Rank | | 1961 | 3.30 | 10 | | 1965 | 2.28 | 7 | | 1968 | 2.26 | 8 | | | Year | K/9 | Rank | | 1966 | 4.80 | 7 | | |
| | | Year | QSP | Rank | | 1965 | .739 | 4 | | 1967 | .870 | 1 | | | Year | CG | Rank | | 1957 | 6 | 9 | | 1959 | 12 | 6 | | 1960 | 6 | 6 | | 1961 | 3 | 8 | | 1962 | 6 | 8 | | 1965 | 4 | 7 | | 1968 | 5 | 8 | | | Year | CGP | Rank | | 1959 | .462 | 4 | | 1960 | .207 | 7 | | 1961 | .097 | 10 | | 1962 | .214 | 8 | | 1965 | .174 | 6 | | 1968 | .208 | 6 | | | Year | SHO | Rank | | 1956 | 1 | 6 | | 1957 | 3 | 2 | | 1960 | 3 | 2 | | 1966 | 1 | 5 | | 1967 | 2 | 4 | | 1968 | 1 | 9 | |
| Year | GB% | Rank | | 1956 | 0.53 | 1 | | 1958 | 0.54 | 2 | | 1959 | 0.54 | 4 | | 1960 | 0.50 | 10 | | 1961 | 0.57 | 1 | | 1962 | 0.51 | 6 | | 1963 | 0.58 | 2 | | 1967 | 0.55 | 8 | | 1968 | 0.52 | 8 | | 1969 | 0.57 | 1 | | | Year | WAR | Rank | | 1957 | 4.0 | 7 | | 1969 | 3.8 | 10 | | | | |