| 01/30/1953 |
Joined the Tokyo Central High School Sky Chiefs. |
| 05/04/1953 |
Named to the 1953 Geiyo Islands League for the Osakikamijima Ferriers. |
| 06/18/1953 |
Unsuccessfully completed training to improve his defense at catcher at the Tokyo Central High School Sky Chiefs development complex. |
| 01/01/1954 |
OSA scouting updated ratings (potential): Contact: 30 (40); Power: 30 (35); Eye: 30 (40). |
| 05/09/1954 |
Successfully completed training to learn a new position at the Tokyo Central High School Sky Chiefs development complex. |
| 05/29/1954 |
Unsuccessfully completed training to improve his defense at catcher at the Tokyo Central High School Sky Chiefs development complex. |
| 07/28/1954 |
Unsuccessfully completed training to improve his outfield defense at the Tokyo Central High School Sky Chiefs development complex. |
| 01/01/1955 |
OSA scouting updated ratings (potential): Contact: 25 (35); Power: 30 (35); Eye: 30 (35). |
| 01/01/1956 |
OSA scouting updated ratings (potential): Contact: 25 (35); Power: 30 (30); Eye: 30 (35). |
| 07/01/1956 |
Was not drafted and joined the Ghent Community College Mud Cats. |
| 01/01/1957 |
OSA scouting updated ratings (potential): Contact: 25 (35); Power: 30 (35); Eye: 30 (35). |
| 03/30/1957 |
Was selected to the 1957 TOBA Junior College All-Star Game. |
| 07/03/1957 |
Was not drafted and returned to junior college. |
| 01/01/1958 |
OSA scouting updated ratings (potential): Contact: 25 (30); Power: 35 (40); Eye: 30 (35). |
| 03/30/1958 |
Was selected to the 1958 TOBA Junior College All-Star Game. |
| 07/10/1958 |
Was not drafted and joined the Lake Biwa A&M Victory. |
| 01/01/1959 |
OSA scouting updated ratings (potential): Contact: 25 (30); Power: 35 (35); Eye: 30 (35). |