| 01/01/1963 | OSA scouting updated ratings: Contact: 2; Power: 1; Eye: 2. |
| 06/05/1963 | Drafted in the 1963 first-year player draft by the Kobe Bulls. (Round 1, Pick 10, 10th overall pick). |
| 06/06/1963 | Released by the Kobe Bulls. |
| 06/15/1963 | Signed a 1-year minor league contract with the Sapporo Bears organization. |
| 07/16/1963 | Named the #38 prospect in the BAN |
| 10/14/1963 | Named the #22 prospect in the BAN |
| 01/01/1964 | OSA scouting updated ratings: Contact: 2; Power: 1; Eye: 1. |
| 05/01/1964 | Named the #27 prospect in the BAN |
| 07/16/1964 | Named the #53 prospect in the BAN |
| 05/01/1965 | Named the #47 prospect in the BAN |
| 07/16/1965 | Named the #60 prospect in the BAN |
| 05/01/1966 | Named the #59 prospect in the BAN |
| 07/16/1966 | Named the #72 prospect in the BAN |
| 05/01/1967 | Named the #67 prospect in the BAN |
| 07/16/1967 | Named the #85 prospect in the BAN |
| 10/14/1967 | Named the #82 prospect in the BAN |
| 05/01/1968 | Named the #82 prospect in the BAN |
| 07/16/1968 | Named the #99 prospect in the BAN |
| 10/11/1968 | Named the #100 prospect in the BAN |
| 04/08/1972 | Unsuccessfully completed training to improve his infield defense at the Sapporo Bears development complex. |
| 06/30/1972 | Injured (herniated disc (back)),out for 5 weeks. |
| 07/02/1973 | Injured (flu-like symptoms),day-to-day for 4 days. |