| 01/01/1952 |
Joined the Team 48 Sky Chiefs. |
| 01/22/1952 |
Successfully completed training to improve his base-stealing technique at the Tokyo Central High School Sky Chiefs development complex. |
| 01/01/1953 |
OSA scouting updated ratings (potential): Contact: 30 (45); Power: 20 (20); Eye: 25 (35). |
| 05/09/1953 |
Outstandingly completed training to improve his base-stealing technique at the Tokyo Central High School Sky Chiefs development complex. |
| 11/25/1953 |
Unsuccessfully completed training to improve his infield defense at the Tokyo Central High School Sky Chiefs development complex. |
| 01/01/1954 |
OSA scouting updated ratings (potential): Contact: 35 (40); Power: 20 (25); Eye: 25 (30). |
| 01/01/1955 |
OSA scouting updated ratings (potential): Contact: 35 (40); Power: 20 (20); Eye: 25 (25). |
| 07/01/1955 |
Was not drafted and joined the Pohang Institute of Technology Black Aces. |
| 01/01/1956 |
OSA scouting updated ratings (potential): Contact: 35 (40); Power: 20 (20); Eye: 25 (25). |
| 01/01/1957 |
OSA scouting updated ratings (potential): Contact: 35 (40); Power: 20 (20); Eye: 25 (30). |
| 05/21/1957 |
Injured (viral infection),day-to-day for 4 days. |
| 01/01/1958 |
OSA scouting updated ratings (potential): Contact: 35 (40); Power: 20 (20); Eye: 25 (30). |
| 03/03/1958 |
Named to the 1958 Crown Prince Challenge for the South Korea. |
| 07/10/1958 |
Was not drafted and returned to college. |
| 01/01/1959 |
OSA scouting updated ratings (potential): Contact: 40 (40); Power: 20 (20); Eye: 25 (25). |