| 06/05/1959 | Drafted in the 1959 first-year player draft by the Denki Dynamics. (Round 1, Pick 1, 1st overall pick). |
| 05/01/1960 | Named the #5 prospect in the BAN |
| 09/28/1960 | Injured (sore back),day-to-day for 2 days. |
| 03/23/1961 | Unsuccessfully completed training to increase his pitch movement at the Denki Dynamics development complex. |
| 09/01/1961 | Injured (elbow strain),day-to-day for 2 weeks. |
| 07/07/1962 | Injured (elbow strain),out for 8 weeks. |
| 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. |
| 03/23/1963 | Unsuccessfully completed training to improve his secondary pitch at the Denki Dynamics development complex. |
| 05/21/1963 | Injured (shoulder subluxation),day-to-day for one week. |
| 05/28/1963 | Suffered setback in recovery from injury, will miss another one week. |
| 01/01/1964 | OSA scouting updated ratings: Stuff: 3; Movement: 4; Control: 3. |
| 03/22/1964 | Unsuccessfully completed training to increase his endurance on the mound at the Denki Dynamics development complex. |
| 07/31/1964 | Was selected to the 1964 Baseball Association of Nippon All-Star Game. |
| 03/22/1965 | Unsuccessfully completed training to make one of his poorer pitches more usable at the Denki Dynamics development complex. |
| 05/01/1965 | Unsuccessfully completed training to work on his bunting at the Denki Dynamics development complex. |
| 05/02/1965 | Injured (sore back),day-to-day for 5 days. |
| 07/31/1965 | Injured (elbow strain),out for 6 weeks. |
| 03/22/1966 | Unsuccessfully completed training to improve his strength and conditioning at the Denki Dynamics development complex. |
| 07/30/1967 | Injured (sore elbow),day-to-day for 4 days. |
| 07/31/1967 | Was selected to the 1967 Baseball Association of Nippon All-Star Game. |
| 09/01/1967 | Injured (ulnar nerve entrapment),out for 4 months. |
| 03/21/1969 | Unsuccessfully completed training to increase his velocity at the Denki Dynamics development complex. |
| 06/06/1969 | Released by the Denki Dynamics. |
| 06/11/1969 | Signed a 1-year contract worth a total of $26,600 with the Osaka Sailors organization. |
| 07/30/1969 | Injured (sore ankle),day-to-day for 3 days. |
| 05/01/1970 | Successfully completed training to increase his velocity at the Osaka Sailors development complex. |
| 07/05/1970 | Injured (finger blister),day-to-day for 1 day. |
| 09/07/1970 | Injured (sore elbow),day-to-day for 2 weeks. |
| 06/25/1971 | Released by the Osaka Sailors. |
| 07/10/1971 | Signed a 1-year contract worth a total of $26,600 with the Osaka Sailors organization. |
| 12/20/1971 | Was traded by the Osaka Sailors to the Kobe Bulls, along with SP Yugoro Yoshida, in exchange for RP Toyoji Tsuda. |
| 05/01/1972 | Released by the Kobe Bulls. |
| 10/21/1972 | Retired from professional baseball. |
| LEADERBOARD APPEARANCES |
| Year | G | Rank | | 1960 | 47 | 6 | | 1966 | 68 | 5 | | 1967 | 56 | 7 | | 1968 | 65 | 4 | | | | Year | L | Rank | | 1961 | 10 | 8 | | 1963 | 12 | 4 | | | Year | SV | Rank | | 1966 | 18 | 5 | | 1967 | 21 | 2 | | 1968 | 16 | 4 | | | Year | HLD | Rank | | 1960 | 4 | 4 | | 1967 | 2 | 9 | |
| Year | IP | Rank | | 1964 | 194.0 | 10 | | | Year | K | Rank | | 1961 | 120 | 9 | | 1964 | 135 | 9 | | | Year | ERA | Rank | | 1964 | 2.37 | 1 | | 1965 | 2.76 | 8 | | | Year | WHIP | Rank | | 1964 | 1.16 | 5 | | | Year | K/BB | Rank | | 1961 | 1.79 | 7 | | 1964 | 2.93 | 8 | |
| Year | RA/9 | Rank | | 1964 | 10.62 | 5 | | | Year | HR/9 | Rank | | 1961 | 0.43 | 2 | | 1963 | 0.61 | 9 | | 1964 | 0.37 | 3 | | | Year | H/9 | Rank | | 1964 | 8.30 | 8 | | | Year | BB/9 | Rank | | 1963 | 2.24 | 5 | | 1964 | 2.13 | 6 | | 1965 | 2.39 | 10 | | | Year | K/9 | Rank | | 1961 | 6.38 | 4 | |
| Year | RA | Rank | | 1960 | 47 | 6 | | 1966 | 68 | 5 | | 1967 | 56 | 7 | | 1968 | 65 | 4 | | | Year | GF | Rank | | 1966 | 58 | 4 | | 1967 | 51 | 5 | | 1968 | 60 | 3 | | | | Year | QSP | Rank | | 1964 | .724 | 8 | | | Year | GB% | Rank | | 1963 | 0.52 | 7 | | 1964 | 0.52 | 8 | |
| Year | WAR | Rank | | 1961 | 4.6 | 7 | | 1962 | 4.2 | 9 | | 1964 | 5.4 | 6 | | | | | |