| 01/01/1964 | OSA scouting updated ratings: Contact: 2; Power: 1; Eye: 2. |
| 06/05/1965 | Drafted in the 1965 first-year player draft by the Kobe Bulls. (Round 1, Pick 12, 12th overall pick). |
| 03/22/1966 | Successfully completed training to improve his two-strike approach at the Kobe Bulls development complex. |
| 05/01/1966 | Named the #7 prospect in the BAN |
| 07/16/1966 | Named the #13 prospect in the BAN |
| 11/03/1966 | Was traded by the Kobe Bulls to the Sapporo Bears, along with 3B Sei Nakazato, 2B Masao Nakamura, and C Yoshihito Kasai, in exchange for SP Arata Komatsu and RP Kinnosuke Shimabukuro. |
| 05/01/1967 | Named the #15 prospect in the BAN |
| 05/01/1967 | Successfully completed training to improve his baserunning fundamentals at the Sapporo Bears development complex. |
| 07/16/1967 | Named the #26 prospect in the BAN |
| 10/14/1967 | Named the #28 prospect in the BAN |
| 03/21/1968 | Successfully completed training to improve his two-strike approach at the Sapporo Bears development complex. |
| 05/01/1968 | Outstandingly completed training to improve his outfield defense at the Sapporo Bears development complex. |
| 04/10/1969 | Outstandingly completed training to improve his outfield defense at the Sapporo Bears development complex. |
| 06/06/1969 | Released by the Sapporo Bears. |
| 11/22/1969 | Signed a 1-year contract worth a total of $18,400 with the Vesutan Bees organization. |
| 03/05/1970 | Unsuccessfully completed training to improve his outfield defense at the Vesutan Bees development complex. |
| 07/31/1970 | Was selected to the 1970 Baseball Association of Nippon All-Star Game. |
| 09/07/1970 | Wins the BAN WL Player of the Week Award. |
| 09/10/1970 | Injured (elbow tendinitis),out for 6 weeks. |
| 10/07/1970 | Suffered setback in recovery from injury, will miss another 4-5 weeks. |
| 10/10/1971 | Wins the 1971 BAN Championship Series with the Vesutan Bees. |
| 05/12/1972 | Injured (forearm stiffness),out for one week. |
| 08/28/1972 | Injured (bruised shoulder),day-to-day for 4 days. |
| 07/31/1973 | Was selected to the 1973 Baseball Association of Nippon All-Star Game. |
| 07/31/1974 | Was selected to the 1974 Baseball Association of Nippon All-Star Game. |
| 08/12/1974 | Injured (bruised shin),day-to-day for 5 days. |