| 06/05/1957 | Drafted in the 1957 first-year player draft by the Denki Dynamics. (Round 1, Pick 1, 1st overall pick). |
| 03/24/1958 | Unsuccessfully completed training to increase his pitch movement at the Denki Dynamics development complex. |
| 05/01/1958 | Named the #3 prospect in the BAN |
| 07/18/1958 | Pitches a 6-hit shutout against the Kyoto Owls with 6 strikeouts and 0 BB allowed! |
| 08/01/1958 | Wins the BAN EL Rookie of the Month Award. |
| 05/16/1959 | Pitches a 5-hit shutout against the Rakisuta Rams with 7 strikeouts and 2 BB allowed! |
| 05/21/1959 | Injured (torn rotator cuff),out for 14 months. |
| 08/16/1960 | Pitches a 4-hit shutout against the Kyoto Owls with 6 strikeouts and 1 BB allowed! |
| 08/26/1960 | Pitches a 4-hit shutout against the Rakisuta Rams with 7 strikeouts and 2 BB allowed! |
| 09/01/1960 | Wins the BAN EL Pitcher of the Month Award. |
| 09/11/1960 | Pitches a 6-hit shutout against the Rakisuta Rams with 7 strikeouts and 1 BB allowed! |
| 01/01/1963 | OSA scouting updated ratings: Stuff: 3; Movement: 3; Control: 3. |
| 01/01/1963 | OSA scouting updated ratings: Stuff: 3; Movement: 3; Control: 3. |
| 07/22/1963 | Pitches a 5-hit shutout against the Rakisuta Rams with 8 strikeouts and 2 BB allowed! |
| 07/27/1963 | Pitches a 3-hit shutout against the Sapporo Bears with 7 strikeouts and 2 BB allowed! |
| 08/01/1963 | Wins the BAN EL Pitcher of the Month Award. |
| 01/01/1964 | OSA scouting updated ratings: Stuff: 3; Movement: 3; Control: 3. |
| 07/31/1966 | Pitches a 6-hit shutout against the Hosho Reliables with 3 strikeouts and 2 BB allowed! |
| 08/31/1966 | Pitches a 3-hit shutout against the Kyoto Owls with 3 strikeouts and 2 BB allowed! |
| 09/10/1966 | Pitches a 6-hit shutout against the Rakisuta Rams with 2 strikeouts and 2 BB allowed! |
| 05/12/1967 | Pitches a 3-hit shutout against the Sapporo Bears with 4 strikeouts and 2 BB allowed! |
| 06/01/1967 | Wins the BAN EL Pitcher of the Month Award. |
| 07/10/1967 | Pitches a 1-hit shutout against the Yokohama Kingfishers with 7 strikeouts and 3 BB allowed! |
| 07/31/1967 | Was selected to the 1967 Baseball Association of Nippon All-Star Game. |
| 09/27/1967 | Injured (sore elbow),day-to-day for one week. |
| 05/13/1968 | Wins the BAN EL Player of the Week Award. |
| 05/16/1968 | Pitches a 4-hit shutout against the Rakisuta Rams with 0 strikeouts and 0 BB allowed! |
| 03/21/1969 | Unsuccessfully completed training to increase his endurance on the mound at the Denki Dynamics development complex. |
| 06/11/1969 | Pitches a 4-hit shutout against the Yokohama Kingfishers with 2 strikeouts and 1 BB allowed! |
| 07/23/1969 | Was traded by the Denki Dynamics to the Rakisuta Rams, along with SP Shoitsu Ishiguro, in exchange for 2B Yuuichi Imamura and RP Minoru Uesugi. |
| 09/19/1969 | Pitches a 6-hit shutout against the Kyoto Owls with 4 strikeouts and 0 BB allowed! |
| 07/31/1970 | Was selected to the 1970 Baseball Association of Nippon All-Star Game. |
| 08/01/1972 | Wins the BAN EL Pitcher of the Month Award. |
| 09/17/1972 | Pitches a 2-hit shutout against the Yokohama Kingfishers with 8 strikeouts and 3 BB allowed! |
| 05/24/1973 | Pitches a 6-hit shutout against the Kyoto Owls with 3 strikeouts and 4 BB allowed! |
| 07/12/1973 | Pitches a 4-hit shutout against the Kyoto Owls with 3 strikeouts and 4 BB allowed! |
| 05/19/1974 | Pitches a 3-hit shutout against the Kyoto Owls with 5 strikeouts and 3 BB allowed! |
| 07/05/1974 | Pitches a 5-hit shutout against the Denki Dynamics with 0 strikeouts and 2 BB allowed! |
| LEADERBOARD APPEARANCES |
| Year | SH | Rank | | 1963 | 15 | 3 | | 1964 | 8 | 10 | | 1969 | 10 | 6 | | | Year | G | Rank | | 1958 | 39 | 10 | | 1970 | 71 | 1 | | | Year | GS | Rank | | 1961 | 31 | 1 | | 1962 | 30 | 1 | | 1964 | 30 | 2 | | 1965 | 31 | 1 | | 1966 | 31 | 1 | | 1967 | 30 | 4 | | 1968 | 30 | 4 | | 1969 | 29 | 7 | | | Year | W | Rank | | 1962 | 13 | 4 | | 1969 | 11 | 9 | | 1974 | 12 | 9 | | | Year | L | Rank | | 1958 | 15 | 2 | | 1961 | 12 | 3 | | 1964 | 11 | 6 | | 1965 | 14 | 2 | | 1966 | 16 | 2 | | 1968 | 12 | 6 | | 1973 | 11 | 7 | |
| Year | Win. % | Rank | | 1969 | .611 | 6 | | 1972 | .550 | 10 | | 1974 | .545 | 8 | | | Year | SV | Rank | | 1970 | 24 | 1 | | 1971 | 8 | 8 | | | Year | HLD | Rank | | 1958 | 2 | 1 | | 1970 | 2 | 5 | | | Year | IP | Rank | | 1961 | 211.1 | 4 | | 1962 | 209.0 | 5 | | 1963 | 204.1 | 7 | | 1964 | 206.2 | 3 | | 1965 | 212.1 | 4 | | 1966 | 220.2 | 2 | | 1967 | 202.2 | 9 | | 1968 | 217.0 | 2 | | 1969 | 205.2 | 4 | | | Year | BF | Rank | | 1961 | 928 | 2 | | 1962 | 922 | 2 | | 1963 | 852 | 4 | | 1964 | 883 | 2 | | 1965 | 902 | 1 | | 1966 | 923 | 1 | | 1967 | 849 | 6 | | 1968 | 884 | 4 | | 1969 | 837 | 6 | |
| Year | HRA | Rank | | 1958 | 20 | 6 | | 1961 | 20 | 6 | | 1966 | 13 | 8 | | | Year | BB | Rank | | 1961 | 90 | 4 | | 1962 | 84 | 8 | | 1963 | 66 | 7 | | 1964 | 63 | 5 | | 1965 | 75 | 4 | | 1966 | 82 | 2 | | 1967 | 70 | 6 | | 1969 | 72 | 9 | | 1973 | 83 | 6 | | 1974 | 84 | 10 | | | Year | K | Rank | | 1961 | 146 | 5 | | 1962 | 140 | 6 | | 1963 | 154 | 5 | | 1964 | 159 | 3 | | 1965 | 127 | 8 | | 1966 | 133 | 4 | | | | Year | ERA | Rank | | 1964 | 2.66 | 4 | | 1965 | 2.59 | 6 | | 1966 | 2.32 | 6 | | 1968 | 2.61 | 6 | | 1969 | 2.41 | 3 | | 1972 | 3.58 | 10 | |
| Year | BABIP | Rank | | 1969 | .224 | 3 | | 1972 | .248 | 10 | | | Year | WHIP | Rank | | 1963 | 1.16 | 10 | | 1968 | 1.12 | 6 | | 1969 | 1.08 | 4 | | | Year | RA/9 | Rank | | 1968 | 10.24 | 6 | | 1969 | 9.98 | 5 | | | Year | HR/9 | Rank | | 1962 | 0.56 | 7 | | 1963 | 0.53 | 6 | | 1964 | 0.35 | 2 | | 1965 | 0.34 | 1 | | 1967 | 0.53 | 3 | | 1969 | 0.57 | 8 | | 1971 | 0.89 | 6 | | 1972 | 0.96 | 9 | | 1973 | 0.94 | 9 | | 1974 | 0.78 | 6 | | | Year | H/9 | Rank | | 1963 | 7.58 | 9 | | 1968 | 7.42 | 10 | | 1969 | 6.61 | 3 | | 1972 | 7.41 | 9 | |
| Year | BB/9 | Rank | | 1968 | 2.61 | 10 | | | Year | K/9 | Rank | | 1961 | 6.22 | 8 | | 1963 | 6.78 | 7 | | 1964 | 6.92 | 5 | | 1971 | 8.27 | 9 | | | | | Year | QS | Rank | | 1961 | 21 | 3 | | 1964 | 25 | 1 | | 1965 | 23 | 3 | | 1966 | 22 | 7 | | 1968 | 23 | 3 | | 1969 | 23 | 3 | | 1974 | 18 | 8 | |
| Year | QSP | Rank | | 1961 | .677 | 6 | | 1964 | .833 | 1 | | 1965 | .742 | 5 | | 1968 | .767 | 6 | | 1969 | .793 | 3 | | 1971 | .600 | 4 | | 1974 | .643 | 5 | | | Year | CG | Rank | | 1958 | 6 | 10 | | 1963 | 5 | 8 | | 1964 | 3 | 5 | | 1965 | 5 | 2 | | 1966 | 5 | 3 | | 1967 | 5 | 4 | | 1969 | 4 | 5 | | 1972 | 4 | 9 | | | Year | CGP | Rank | | 1958 | .261 | 9 | | 1963 | .179 | 8 | | 1964 | .100 | 5 | | 1965 | .161 | 3 | | 1966 | .161 | 4 | | 1967 | .167 | 4 | | 1969 | .138 | 6 | | 1972 | .182 | 9 | | | Year | SHO | Rank | | 1958 | 1 | 8 | | 1960 | 3 | 3 | | 1963 | 2 | 4 | | 1966 | 3 | 1 | | 1967 | 2 | 2 | | 1968 | 1 | 9 | | 1969 | 2 | 4 | | 1972 | 1 | 4 | | 1973 | 2 | 3 | | 1974 | 2 | 5 | | | Year | GB% | Rank | | 1958 | 0.53 | 7 | | 1961 | 0.53 | 9 | | 1963 | 0.59 | 1 | | 1964 | 0.53 | 7 | | 1966 | 0.55 | 6 | | 1968 | 0.56 | 5 | | 1969 | 0.58 | 1 | | 1974 | 0.54 | 9 | |
| Year | WAR | Rank | | 1961 | 4.0 | 10 | | 1962 | 4.4 | 7 | | 1963 | 4.6 | 7 | | 1964 | 5.7 | 4 | | 1965 | 4.6 | 9 | | 1967 | 3.7 | 9 | | | | | |