| 06/05/1968 | Drafted in the 1968 first-year player draft by the Kinboshi Kites. (Round 4, Pick 1, 37th overall pick). |
| 06/06/1968 | Released by the Kinboshi Kites. |
| 07/03/1968 | Signed a minor league contract with majors option with the Sapporo Bears organization. |
| 07/16/1968 | Named the #27 prospect in the BAN |
| 03/21/1969 | Successfully completed training to increase his pitch movement at the Sapporo Bears development complex. |
| 05/01/1969 | Named the #16 prospect in the BAN |
| 05/31/1969 | Did not elect for free agency and will remain in the Sapporo organization. |
| 07/16/1969 | Named the #24 prospect in the BAN |
| 10/13/1969 | Named the #18 prospect in the BAN |
| 04/11/1970 | Unsuccessfully completed training to improve his infield defense at the Sapporo Bears development complex. |
| 05/01/1970 | Named the #19 prospect in the BAN |
| 05/01/1971 | Named the #22 prospect in the BAN |
| 05/31/1971 | Did not elect for free agency and will remain in the Sapporo organization. |
| 07/16/1971 | Named the #34 prospect in the BAN |
| 05/01/1972 | Named the #34 prospect in the BAN |
| 05/01/1972 | Detrimentally completed training to increase his endurance on the mound at the Sapporo Bears development complex. |
| 07/16/1972 | Named the #42 prospect in the BAN |
| 05/01/1973 | Named the #39 prospect in the BAN |
| 05/01/1973 | Successfully completed training to improve his pitch control at the Sapporo Bears development complex. |
| 06/06/1974 | Released by the Sapporo Bears. |