| 06/05/1964 | Drafted in the 1964 first-year player draft by the Rakisuta Rams. (Round 1, Pick 6, 6th overall pick). |
| 11/21/1964 | Unsuccessfully completed training to improve his infield defense at the Rakisuta Rams development complex. |
| 05/01/1965 | Named the #2 prospect in the BAN |
| 05/01/1965 | Successfully completed training to work on his bunting at the Rakisuta Rams development complex. |
| 03/22/1966 | Unsuccessfully completed training to improve his pitch control at the Rakisuta Rams development complex. |
| 05/01/1966 | Successfully completed training to work on his bunting at the Rakisuta Rams development complex. |
| 03/22/1967 | Outstandingly completed training to increase his pitch movement at the Rakisuta Rams development complex. |
| 05/01/1967 | Unsuccessfully completed training to improve his infield defense at the Rakisuta Rams development complex. |
| 03/21/1968 | Successfully completed training to improve his pitch control at the Rakisuta Rams development complex. |
| 05/01/1968 | Detrimentally completed training to work on his bunting at the Rakisuta Rams development complex. |
| 07/31/1968 | Was selected to the 1968 Baseball Association of Nippon All-Star Game. |
| 08/06/1968 | Pitches a 5-hit shutout against the Sapporo Bears with 1 strikeouts and 5 BB allowed! |
| 03/21/1969 | Successfully completed training to increase his pitch movement at the Rakisuta Rams development complex. |
| 04/10/1969 | Unsuccessfully completed training to improve his infield defense at the Rakisuta Rams development complex. |
| 04/30/1969 | Successfully completed training to work on his bunting at the Rakisuta Rams development complex. |
| 06/04/1969 | Pitches a 5-hit shutout against the Yokohama Kingfishers with 5 strikeouts and 2 BB allowed! |
| 06/18/1969 | Pitches a 6-hit shutout against the Denki Dynamics with 5 strikeouts and 1 BB allowed! |
| 07/01/1969 | Wins the BAN EL Pitcher of the Month Award. |
| 07/31/1969 | Was selected to the 1969 Baseball Association of Nippon All-Star Game. |
| 10/21/1969 | Finished 3rd in 1969 BAN EL Noburu Kagawa Award voting. |
| 03/02/1970 | Unsuccessfully completed training to improve his infield defense at the Rakisuta Rams development complex. |
| 05/02/1970 | Pitches a NO-HITTER against the Rakisuta Rams with 9 strikeouts and 4 BB allowed! |
| 05/06/1970 | Pitches a NO-HITTER against the Sapporo Bears with 8 strikeouts and 6 BB allowed! |
| 05/18/1970 | Pitches a NO-HITTER against the Denki Dynamics with 6 strikeouts and 3 BB allowed! |
| 05/22/1970 | Pitches a NO-HITTER against the Sapporo Bears with 7 strikeouts and 5 BB allowed! |
| 06/30/1970 | Pitches a 3-hit shutout against the Yokohama Kingfishers with 6 strikeouts and 0 BB allowed! |
| 09/18/1970 | Pitches a 6-hit shutout against the Sapporo Bears with 8 strikeouts and 3 BB allowed! |
| 05/31/1971 | Pitches a 2-hit shutout against the Kyoto Owls with 10 strikeouts and 5 BB allowed! |
| 06/11/1971 | Pitches a 5-hit shutout against the Hosho Reliables with 7 strikeouts and 3 BB allowed! |
| 07/01/1971 | Wins the BAN EL Pitcher of the Month Award. |
| 07/31/1971 | Was selected to the 1971 Baseball Association of Nippon All-Star Game. |
| 10/19/1971 | Finished 3rd in 1971 BAN EL Noburu Kagawa Award voting. |
| 07/31/1972 | Was selected to the 1972 Baseball Association of Nippon All-Star Game. |
| 08/28/1972 | Pitches a 3-hit shutout against the Kyoto Owls with 5 strikeouts and 3 BB allowed! |
| 05/01/1973 | Unsuccessfully completed training to make one of his poorer pitches more usable at the Rakisuta Rams development complex. |
| 07/31/1973 | Was selected to the 1973 Baseball Association of Nippon All-Star Game. |
| 08/11/1973 | Pitches a 4-hit shutout against the Yokohama Kingfishers with 7 strikeouts and 1 BB allowed! |
| 10/21/1973 | Finished 2nd in 1973 BAN EL Noburu Kagawa Award voting. |
| 05/01/1974 | Unsuccessfully completed training to make one of his poorer pitches more usable at the Rakisuta Rams development complex. |
| 05/26/1974 | Pitches a 5-hit shutout against the Yokohama Kingfishers with 8 strikeouts and 3 BB allowed! |
| 07/26/1974 | Pitches a 4-hit shutout against the Hosho Reliables with 10 strikeouts and 2 BB allowed! |
| 07/31/1974 | Was selected to the 1974 Baseball Association of Nippon All-Star Game. |
| 08/01/1974 | Wins the BAN EL Pitcher of the Month Award. |
| 10/18/1974 | Wins the 1974 BAN EL Noburu Kagawa Award. |
| 10/30/1974 | Detrimentally completed training to work on his bunting at the Rakisuta Rams development complex. |
| LEADERBOARD APPEARANCES |
| | | Year | GS | Rank | | 1968 | 29 | 9 | | 1969 | 29 | 7 | | 1970 | 37 | 6 | | 1971 | 31 | 1 | | 1972 | 30 | 4 | | 1973 | 32 | 1 | | 1974 | 30 | 6 | | | Year | W | Rank | | 1969 | 13 | 3 | | 1971 | 15 | 1 | | 1972 | 15 | 2 | | 1973 | 13 | 5 | | 1974 | 16 | 2 | | | Year | L | Rank | | 1967 | 13 | 3 | | 1970 | 18 | 1 | | 1974 | 11 | 9 | | | Year | Win. % | Rank | | 1968 | .529 | 10 | | 1969 | .650 | 3 | | 1971 | .625 | 3 | | 1972 | .600 | 6 | | 1973 | .565 | 9 | | 1974 | .593 | 6 | |
| | | Year | IP | Rank | | 1968 | 214.1 | 4 | | 1969 | 225.2 | 1 | | 1970 | 288.1 | 6 | | 1971 | 231.1 | 1 | | 1972 | 224.1 | 2 | | 1973 | 251.0 | 1 | | 1974 | 227.2 | 3 | | | Year | BF | Rank | | 1968 | 911 | 2 | | 1969 | 932 | 1 | | 1970 | 1172 | 6 | | 1971 | 973 | 1 | | 1972 | 966 | 2 | | 1973 | 1024 | 1 | | 1974 | 961 | 2 | | | | Year | BB | Rank | | 1967 | 93 | 1 | | 1968 | 99 | 1 | | 1969 | 96 | 1 | | 1970 | 133 | 3 | | 1971 | 97 | 3 | | 1972 | 145 | 3 | | 1973 | 89 | 4 | | 1974 | 90 | 7 | |
| Year | K | Rank | | 1969 | 123 | 6 | | 1970 | 202 | 7 | | 1971 | 214 | 1 | | 1972 | 184 | 2 | | 1973 | 157 | 1 | | 1974 | 151 | 1 | | | Year | WP | Rank | | 1967 | 7 | 9 | | 1969 | 9 | 4 | | 1970 | 6 | 6 | | 1971 | 12 | 2 | | 1972 | 9 | 3 | | 1973 | 8 | 4 | | | Year | ERA | Rank | | 1968 | 2.39 | 4 | | 1969 | 2.43 | 4 | | 1970 | 2.97 | 6 | | 1971 | 3.23 | 3 | | 1972 | 3.33 | 5 | | 1973 | 2.83 | 2 | | 1974 | 3.24 | 7 | | | Year | BABIP | Rank | | 1969 | .223 | 2 | | 1970 | .205 | 3 | | 1971 | .276 | 4 | | 1972 | .243 | 8 | | | Year | WHIP | Rank | | 1969 | 1.15 | 9 | | 1971 | 1.22 | 4 | | 1973 | 1.16 | 4 | | 1974 | 1.26 | 8 | |
| Year | K/BB | Rank | | 1973 | 1.76 | 10 | | | Year | RA/9 | Rank | | 1969 | 10.53 | 9 | | 1971 | 11.24 | 3 | | 1973 | 10.94 | 4 | | 1974 | 11.58 | 7 | | | Year | HR/9 | Rank | | 1968 | 0.38 | 3 | | 1969 | 0.40 | 2 | | 1970 | 0.75 | 3 | | 1971 | 0.51 | 1 | | 1972 | 0.72 | 3 | | 1973 | 0.43 | 1 | | 1974 | 0.47 | 1 | | | Year | H/9 | Rank | | 1969 | 6.54 | 2 | | 1970 | 5.77 | 3 | | 1971 | 7.20 | 1 | | 1972 | 6.46 | 1 | | 1973 | 7.24 | 4 | | 1974 | 7.75 | 6 | | | Year | K/9 | Rank | | 1970 | 6.31 | 6 | | 1971 | 8.33 | 8 | | 1972 | 7.38 | 4 | | 1973 | 5.63 | 7 | | 1974 | 5.97 | 6 | |
| Year | QS | Rank | | 1968 | 22 | 6 | | 1969 | 21 | 4 | | 1970 | 26 | 4 | | 1971 | 19 | 3 | | 1972 | 21 | 1 | | 1973 | 22 | 1 | | 1974 | 23 | 1 | | | Year | QSP | Rank | | 1968 | .759 | 7 | | 1969 | .724 | 4 | | 1970 | .703 | 5 | | 1971 | .613 | 3 | | 1972 | .700 | 2 | | 1973 | .688 | 3 | | 1974 | .767 | 1 | | | Year | CG | Rank | | 1967 | 4 | 6 | | 1968 | 5 | 5 | | 1969 | 6 | 1 | | 1970 | 15 | 6 | | 1971 | 13 | 1 | | 1972 | 6 | 4 | | 1973 | 15 | 2 | | 1974 | 11 | 1 | | | Year | CGP | Rank | | 1967 | .143 | 6 | | 1968 | .172 | 5 | | 1969 | .207 | 2 | | 1970 | .405 | 7 | | 1971 | .419 | 1 | | 1972 | .200 | 7 | | 1973 | .469 | 2 | | 1974 | .367 | 1 | | | Year | SHO | Rank | | 1968 | 2 | 4 | | 1969 | 3 | 1 | | 1970 | 4 | 8 | | 1971 | 2 | 2 | | 1972 | 1 | 4 | | 1973 | 1 | 8 | | 1974 | 2 | 5 | |
| Year | GB% | Rank | | 1969 | 0.54 | 7 | | 1972 | 0.59 | 3 | | | Year | WAR | Rank | | 1969 | 4.3 | 7 | | 1970 | 4.9 | 7 | | 1971 | 6.6 | 2 | | 1972 | 4.8 | 4 | | 1973 | 7.2 | 3 | | 1974 | 6.7 | 1 | | | | |