| 01/01/1964 | OSA scouting updated ratings: Contact: 1; Power: 2; Eye: 2. |
| 06/05/1966 | Drafted in the 1966 first-year player draft by the Sapporo Bears. (Round 1, Pick 6, 6th overall pick). |
| 10/14/1966 | Named the #40 prospect in the BAN |
| 05/01/1967 | Named the #49 prospect in the BAN |
| 09/08/1967 | Injured (mild groin strain),day-to-day for one week. |
| 10/01/1967 | Wins the BAN EL Rookie of the Month Award. |
| 04/30/1969 | Unsuccessfully completed training to improve his outfield defense at the Sapporo Bears development complex. |
| 09/09/1969 | Injured (blurred vision),day-to-day for 4 days. |
| 03/22/1970 | Unsuccessfully completed training to improve his outfield defense at the Sapporo Bears development complex. |
| 07/31/1970 | Was selected to the 1970 Baseball Association of Nippon All-Star Game. |
| 05/21/1971 | Injured (back stiffness),day-to-day for 2 weeks. |
| 05/30/1971 | Suffered setback in recovery from injury, will miss another 1-2 weeks. |
| 08/31/1971 | Injured (calf cramp),day-to-day for 4 days. |
| 09/23/1971 | Injured (knee contusion),day-to-day for 3 days. |
| 04/27/1972 | Successfully completed training to improve his outfield defense at the Sapporo Bears development complex. |
| 06/08/1972 | Injured (torn hamstring),out for 5-6 weeks. |
| 05/04/1973 | Injured (back stiffness),day-to-day for one week. |
| 05/14/1973 | Injured (back stiffness),day-to-day for 1 day. |
| 05/30/1974 | Injured (back tightness),day-to-day for 2 days. |
| 07/20/1974 | Injured (back stiffness),day-to-day for 4 days. |
| 08/14/1974 | Injured (mild shoulder inflammation),day-to-day for one week. |