| 01/01/1952 |
Joined the Team 48 Sky Chiefs. |
| 07/18/1952 |
Unsuccessfully completed training to work on his bunting at the Tokyo Central High School Sky Chiefs development complex. |
| 01/01/1953 |
OSA scouting updated ratings (potential): Contact: 30 (40); Power: 20 (25); Eye: 25 (40). |
| 05/29/1953 |
Successfully completed training to work on his bunting at the Tokyo Central High School Sky Chiefs development complex. |
| 08/17/1953 |
Successfully completed training to improve his base-stealing technique at the Tokyo Central High School Sky Chiefs development complex. |
| 10/16/1953 |
Outstandingly completed training to improve his outfield defense at the Tokyo Central High School Sky Chiefs development complex. |
| 01/01/1954 |
OSA scouting updated ratings (potential): Contact: 30 (35); Power: 20 (20); Eye: 30 (35). |
| 01/01/1955 |
OSA scouting updated ratings (potential): Contact: 30 (35); Power: 20 (20); Eye: 25 (30). |
| 07/01/1955 |
Was not drafted and joined the Hoorn University Watermen. |
| 01/01/1956 |
OSA scouting updated ratings (potential): Contact: 30 (35); Power: 20 (20); Eye: 25 (30). |
| 01/01/1957 |
OSA scouting updated ratings (potential): Contact: 30 (35); Power: 25 (25); Eye: 25 (35). |
| 05/17/1957 |
Wins the 1957 TCOL IC Great Glove Award at CF. |
| 01/01/1958 |
OSA scouting updated ratings (potential): Contact: 30 (35); Power: 25 (25); Eye: 30 (35). |
| 05/18/1958 |
Wins the 1958 TCOL IC Great Glove Award at CF. |
| 07/10/1958 |
Was not drafted and returned to college. |
| 01/01/1959 |
OSA scouting updated ratings (potential): Contact: 35 (35); Power: 25 (25); Eye: 30 (35). |