| 01/30/1953 |
Joined the Sakura Prep Swordsmen. |
| 03/16/1953 |
Injured on 03/15/1953, diagnosed with a mild calf strain, is day-to-day. |
| 05/04/1953 |
Named to the 1953 Geiyo Islands League for the Innoshima Boomers. |
| 06/22/1953 |
Injured (jammed finger),day-to-day for 1 day. |
| 07/22/1953 |
Unsuccessfully completed training to improve his infield defense at the Sakura Prep Swordsmen development complex. |
| 01/01/1954 |
OSA scouting updated ratings (potential): Contact: 35 (50); Power: 35 (50); Eye: 35 (45). |
| 01/01/1955 |
OSA scouting updated ratings (potential): Contact: 40 (60); Power: 30 (45); Eye: 35 (50). |
| 03/07/1955 |
Named to the 1955 World Junior Championship for the Japan. |
| 01/01/1956 |
OSA scouting updated ratings (potential): Contact: 40 (60); Power: 35 (50); Eye: 35 (50). |
| 07/01/1956 |
Released by the Sakura Prep Swordsmen. |
| 07/01/1956 |
Drafted in the 1956 first-year player draft by the Los Angeles Stars. (Round 3, Pick 8, 24th overall pick). |
| 08/29/1956 |
Named the #67 prospect in the TOBA |
| 11/05/1956 |
Named to the 1956 World Youth Championship for the Japan. |
| 01/01/1957 |
OSA scouting updated ratings (potential): Contact: 40 (65); Power: 35 (50); Eye: 35 (50). |
| 05/07/1957 |
Named the #84 prospect in the TOBA |
| 05/22/1957 |
Injured (mild abdominal strain),day-to-day for 4 days. |
| 06/26/1957 |
Injured (bruised knee),day-to-day for 4 days. |
| 06/27/1957 |
Named the #77 prospect in the TOBA |
| 06/30/1957 |
Injured (back tightness),day-to-day for 2 days. |
| 11/04/1957 |
Named to the 1957 World Junior Championship for the Japan. |
| 01/01/1958 |
OSA scouting updated ratings (potential): Contact: 40 (60); Power: 40 (55); Eye: 40 (55). |
| 03/03/1958 |
Named to the 1958 Crown Prince Challenge for the Japan. |
| 05/06/1958 |
Named the #99 prospect in the TOBA |
| 05/13/1958 |
Named the #82 prospect in the TOBA |
| 07/03/1958 |
Named the #41 prospect in the TOBA |
| 07/24/1958 |
Injured (sore thumb),day-to-day for 2 days. |
| 09/11/1958 |
Named the #60 prospect in the TOBA |
| 01/01/1959 |
OSA scouting updated ratings (potential): Contact: 40 (60); Power: 40 (50); Eye: 45 (55). |
| 05/05/1959 |
Named the #55 prospect in the TOBA |