| 06/05/1967 | Drafted in the 1967 first-year player draft by the Kyoto Owls. (Round 1, Pick 9, 9th overall pick). |
| 03/21/1968 | Successfully completed training to improve his secondary pitch at the Kyoto Owls development complex. |
| 05/01/1968 | Named the #7 prospect in the BAN |
| 05/01/1968 | Successfully completed training to improve his infield defense at the Kyoto Owls development complex. |
| 05/22/1968 | Pitches a 1-hit shutout against the Sapporo Bears with 6 strikeouts and 0 BB allowed! |
| 06/11/1968 | Pitches a 4-hit shutout against the Denki Dynamics with 4 strikeouts and 2 BB allowed! |
| 06/15/1968 | Pitches a 1-hit shutout against the Yokohama Kingfishers with 6 strikeouts and 1 BB allowed! |
| 06/17/1968 | Wins the BAN EL Player of the Week Award. |
| 06/20/1968 | Pitches a 3-hit shutout against the Rakisuta Rams with 6 strikeouts and 2 BB allowed! |
| 07/01/1968 | Wins the BAN EL Pitcher of the Month Award. |
| 07/01/1968 | Wins the BAN EL Rookie of the Month Award. |
| 07/15/1968 | Pitches a 1-hit shutout against the Denki Dynamics with 7 strikeouts and 2 BB allowed! |
| 07/31/1968 | Was selected to the 1968 Baseball Association of Nippon All-Star Game. |
| 08/18/1968 | Pitches a 8-hit shutout against the Denki Dynamics with 5 strikeouts and 2 BB allowed! |
| 09/01/1968 | Wins the BAN EL Rookie of the Month Award. |
| 09/07/1968 | Pitches a 7-hit shutout against the Yokohama Kingfishers with 1 strikeouts and 1 BB allowed! |
| 10/19/1968 | Finished 2nd in 1968 BAN EL Noburu Kagawa Award voting. |
| 04/10/1969 | Unsuccessfully completed training to improve his infield defense at the Kyoto Owls development complex. |
| 05/01/1969 | Pitches a 2-hit shutout against the Sapporo Bears with 3 strikeouts and 1 BB allowed! |
| 07/28/1969 | Pitches a 2-hit shutout against the Yokohama Kingfishers with 6 strikeouts and 3 BB allowed! |
| 07/31/1969 | Was selected to the 1969 Baseball Association of Nippon All-Star Game. |
| 09/07/1969 | Pitches a 3-hit shutout against the Denki Dynamics with 8 strikeouts and 0 BB allowed! |
| 09/08/1969 | Wins the BAN EL Player of the Week Award. |
| 10/01/1969 | Wins the BAN EL Pitcher of the Month Award. |
| 10/21/1969 | Wins the 1969 BAN EL Noburu Kagawa Award. |
| 04/28/1970 | Unsuccessfully completed training to improve his infield defense at the Kyoto Owls development complex. |
| 05/01/1970 | Injured (sore ankle),day-to-day for 1 day. |
| 05/05/1970 | Pitches a NO-HITTER against the Kyoto Owls with 9 strikeouts and 7 BB allowed! |
| 05/11/1970 | Pitches a NO-HITTER against the Sapporo Bears with 4 strikeouts and 7 BB allowed! |
| 05/21/1970 | Pitches a 2-hit shutout against the Rakisuta Rams with 9 strikeouts and 5 BB allowed! |
| 06/08/1970 | Pitches a NO-HITTER against the Yokohama Kingfishers with 8 strikeouts and 4 BB allowed! |
| 07/28/1970 | Pitches a 2-hit shutout against the Yokohama Kingfishers with 7 strikeouts and 2 BB allowed! |
| 07/31/1970 | Was selected to the 1970 Baseball Association of Nippon All-Star Game. |
| 08/10/1970 | Pitches a 2-hit shutout against the Hosho Reliables with 10 strikeouts and 6 BB allowed! |
| 09/17/1970 | Injured (forearm stiffness),out for one week. |
| 10/01/1970 | Wins the BAN EL Pitcher of the Month Award. |
| 10/20/1970 | Wins the 1970 BAN EL Noburu Kagawa Award. |
| 05/06/1971 | Pitches a 2-hit shutout against the Denki Dynamics with 7 strikeouts and 2 BB allowed! |
| 07/30/1971 | Pitches a 7-hit shutout against the Yokohama Kingfishers with 8 strikeouts and 0 BB allowed! |
| 07/31/1971 | Was selected to the 1971 Baseball Association of Nippon All-Star Game. |
| 09/01/1971 | Wins the BAN EL Pitcher of the Month Award. |
| 09/02/1971 | Pitches a 5-hit shutout against the Denki Dynamics with 4 strikeouts and 0 BB allowed! |
| 10/19/1971 | Wins the 1971 BAN EL Noburu Kagawa Award. |
| 05/01/1972 | Successfully completed training to increase his endurance on the mound at the Kyoto Owls development complex. |
| 09/18/1972 | Pitches a 3-hit shutout against the Denki Dynamics with 6 strikeouts and 2 BB allowed! |
| 09/23/1972 | Pitches a 5-hit shutout against the Sapporo Bears with 7 strikeouts and 2 BB allowed! |
| 10/19/1972 | Finished 2nd in 1972 BAN EL Noburu Kagawa Award voting. |
| 05/06/1973 | Pitches a 3-hit shutout against the Rakisuta Rams with 4 strikeouts and 2 BB allowed! |
| 05/11/1973 | Pitches a 1-hit shutout against the Denki Dynamics with 5 strikeouts and 2 BB allowed! |
| 06/01/1973 | Pitches a 2-hit shutout against the Hosho Reliables with 4 strikeouts and 5 BB allowed! |
| 06/11/1973 | Pitches a 4-hit shutout against the Denki Dynamics with 4 strikeouts and 1 BB allowed! |
| 07/01/1973 | Wins the BAN EL Pitcher of the Month Award. |
| 07/09/1973 | Pitches a 3-hit shutout against the Sapporo Bears with 11 strikeouts and 1 BB allowed! |
| 07/31/1973 | Was selected to the 1973 Baseball Association of Nippon All-Star Game. |
| 08/01/1973 | Wins the BAN EL Pitcher of the Month Award. |
| 09/02/1973 | Pitches a 3-hit shutout against the Rakisuta Rams with 6 strikeouts and 1 BB allowed! |
| 10/12/1973 | Wins the 1973 BAN Championship Series with the Kyoto Owls. |
| 10/21/1973 | Wins the 1973 BAN EL Noburu Kagawa Award. |
| 05/01/1974 | Pitches a 6-hit shutout against the Rakisuta Rams with 4 strikeouts and 1 BB allowed! |
| 06/11/1974 | Pitches a 1-hit shutout against the Denki Dynamics with 3 strikeouts and 0 BB allowed! |
| 06/21/1974 | Pitches a 6-hit shutout against the Rakisuta Rams with 9 strikeouts and 2 BB allowed! |
| 07/31/1974 | Was selected to the 1974 Baseball Association of Nippon All-Star Game. |
| 09/21/1974 | Pitches a 2-hit shutout against the Denki Dynamics with 5 strikeouts and 0 BB allowed! |
| 10/18/1974 | Finished 2nd in 1974 BAN EL Noburu Kagawa Award voting. |
| LEADERBOARD APPEARANCES |
| Year | SH | Rank | | 1969 | 9 | 10 | | 1973 | 14 | 4 | | 1974 | 20 | 2 | | | | Year | GS | Rank | | 1968 | 31 | 1 | | 1969 | 30 | 2 | | 1970 | 38 | 4 | | 1971 | 30 | 4 | | 1972 | 31 | 1 | | 1973 | 31 | 2 | | 1974 | 31 | 1 | | | Year | W | Rank | | 1968 | 15 | 2 | | 1969 | 13 | 3 | | 1970 | 17 | 2 | | 1971 | 14 | 3 | | 1972 | 13 | 5 | | 1973 | 20 | 1 | | 1974 | 14 | 3 | | |
| Year | Win. % | Rank | | 1968 | .652 | 3 | | 1969 | .619 | 4 | | 1970 | .567 | 6 | | 1971 | .636 | 2 | | 1973 | .741 | 2 | | 1974 | .667 | 2 | | | | Year | IP | Rank | | 1968 | 238.2 | 1 | | 1969 | 215.0 | 3 | | 1970 | 304.1 | 4 | | 1971 | 213.1 | 5 | | 1972 | 243.0 | 1 | | 1973 | 238.2 | 2 | | 1974 | 225.0 | 4 | | | Year | BF | Rank | | 1968 | 940 | 1 | | 1969 | 854 | 3 | | 1970 | 1229 | 4 | | 1971 | 886 | 5 | | 1972 | 1025 | 1 | | 1973 | 954 | 2 | | 1974 | 905 | 5 | | | Year | HRA | Rank | | 1970 | 28 | 8 | | 1972 | 30 | 8 | |
| Year | BB | Rank | | 1970 | 118 | 4 | | 1972 | 110 | 10 | | | Year | K | Rank | | 1968 | 133 | 5 | | 1969 | 114 | 8 | | 1970 | 210 | 2 | | 1971 | 196 | 6 | | 1972 | 162 | 3 | | 1973 | 145 | 4 | | | Year | WP | Rank | | 1969 | 10 | 2 | | 1972 | 10 | 2 | | | Year | ERA | Rank | | 1968 | 2.49 | 5 | | 1969 | 1.67 | 1 | | 1970 | 2.66 | 4 | | 1971 | 3.04 | 2 | | 1972 | 3.33 | 6 | | 1973 | 2.38 | 1 | | 1974 | 3.16 | 3 | | | Year | BABIP | Rank | | 1968 | .225 | 4 | | 1969 | .213 | 1 | | 1970 | .219 | 6 | | 1972 | .233 | 3 | | 1973 | .231 | 2 | |
| Year | WHIP | Rank | | 1968 | 0.97 | 3 | | 1969 | 0.97 | 1 | | 1970 | 1.09 | 10 | | 1971 | 1.20 | 3 | | 1972 | 1.25 | 5 | | 1973 | 1.03 | 1 | | 1974 | 1.14 | 2 | | | Year | K/BB | Rank | | 1968 | 2.29 | 5 | | 1969 | 2.00 | 5 | | 1971 | 3.16 | 4 | | 1972 | 1.47 | 10 | | 1973 | 2.16 | 7 | | 1974 | 2.00 | 8 | | | Year | RA/9 | Rank | | 1968 | 8.90 | 3 | | 1969 | 8.79 | 1 | | 1970 | 9.94 | 8 | | 1971 | 11.18 | 2 | | 1972 | 11.44 | 4 | | 1973 | 9.43 | 1 | | 1974 | 10.32 | 2 | | | Year | HR/9 | Rank | | 1968 | 0.45 | 6 | | 1969 | 0.46 | 5 | | 1970 | 0.83 | 6 | | 1971 | 0.76 | 5 | | 1972 | 1.11 | 10 | | 1973 | 0.49 | 3 | | 1974 | 0.64 | 2 | | | Year | H/9 | Rank | | 1968 | 6.56 | 3 | | 1969 | 6.36 | 1 | | 1970 | 6.33 | 5 | | 1971 | 8.18 | 8 | | 1972 | 7.15 | 7 | | 1973 | 6.71 | 1 | | 1974 | 7.88 | 8 | |
| Year | BB/9 | Rank | | 1968 | 2.19 | 2 | | 1969 | 2.39 | 5 | | 1971 | 2.62 | 5 | | 1972 | 4.07 | 9 | | 1973 | 2.53 | 7 | | 1974 | 2.40 | 3 | | | Year | K/9 | Rank | | 1970 | 6.21 | 8 | | 1971 | 8.27 | 10 | | | Year | QS | Rank | | 1968 | 26 | 1 | | 1969 | 27 | 1 | | 1970 | 25 | 5 | | 1971 | 20 | 2 | | 1972 | 21 | 1 | | 1973 | 22 | 1 | | 1974 | 19 | 4 | | | Year | QSP | Rank | | 1968 | .839 | 1 | | 1969 | .900 | 1 | | 1970 | .658 | 8 | | 1971 | .667 | 2 | | 1972 | .677 | 3 | | 1973 | .710 | 1 | | 1974 | .613 | 7 | | | Year | CG | Rank | | 1968 | 14 | 1 | | 1969 | 6 | 1 | | 1970 | 23 | 3 | | 1971 | 7 | 3 | | 1972 | 14 | 1 | | 1973 | 18 | 1 | | 1974 | 8 | 5 | |
| Year | CGP | Rank | | 1968 | .452 | 1 | | 1969 | .200 | 3 | | 1970 | .605 | 4 | | 1971 | .233 | 3 | | 1972 | .452 | 1 | | 1973 | .581 | 1 | | 1974 | .258 | 7 | | | Year | SHO | Rank | | 1968 | 7 | 1 | | 1969 | 3 | 1 | | 1970 | 5 | 4 | | 1971 | 3 | 1 | | 1972 | 2 | 2 | | 1973 | 6 | 1 | | 1974 | 4 | 1 | | | Year | GB% | Rank | | 1968 | 0.58 | 2 | | 1969 | 0.57 | 3 | | 1970 | 0.57 | 3 | | 1972 | 0.56 | 7 | | 1973 | 0.54 | 9 | | 1974 | 0.57 | 3 | | | Year | WAR | Rank | | 1968 | 6.6 | 1 | | 1969 | 5.5 | 1 | | 1970 | 6.4 | 1 | | 1971 | 6.1 | 3 | | 1972 | 4.9 | 2 | | 1973 | 8.1 | 1 | | 1974 | 6.6 | 2 | | |