| 06/05/1961 | Drafted in the 1961 first-year player draft by the Denki Dynamics. (Round 1, Pick 2, 2nd overall pick). |
| 03/23/1962 | Successfully completed training to improve his pitch control at the Denki Dynamics development complex. |
| 05/01/1962 | Named the #7 prospect in the BAN |
| 01/01/1963 | OSA scouting updated ratings: Stuff: 2; Movement: 3; Control: 2. |
| 01/01/1963 | OSA scouting updated ratings: Stuff: 2; Movement: 3; Control: 2. |
| 03/23/1963 | Successfully completed training to increase his pitch movement at the Denki Dynamics development complex. |
| 05/01/1963 | Named the #1 prospect in the BAN |
| 07/16/1963 | Named the #6 prospect in the BAN |
| 10/01/1963 | Wins the BAN EL Rookie of the Month Award. |
| 01/01/1964 | OSA scouting updated ratings: Stuff: 2; Movement: 3; Control: 2. |
| 08/19/1964 | Injured (sore thumb),day-to-day for 3 days. |
| 06/29/1965 | Pitches a 4-hit shutout against the Sapporo Bears with 5 strikeouts and 1 BB allowed! |
| 09/26/1966 | Wins the BAN EL Player of the Week Award. |
| 03/22/1967 | Detrimentally completed training to increase his endurance on the mound at the Denki Dynamics development complex. |
| 05/01/1968 | Released by the Denki Dynamics. |
| 10/19/1969 | Retired from professional baseball. |