| 01/01/1963 | OSA scouting updated ratings: Stuff: 2; Movement: 2; Control: 1. |
| 01/01/1963 | OSA scouting updated ratings: Stuff: 2; Movement: 2; Control: 1. |
| 01/01/1964 | OSA scouting updated ratings: Stuff: 1; Movement: 2; Control: 1. |
| 06/05/1964 | Drafted in the 1964 first-year player draft by the Nagasaki Stars. (Round 1, Pick 11, 11th overall pick). |
| 07/16/1964 | Named the #24 prospect in the BAN |
| 05/01/1965 | Named the #12 prospect in the BAN |
| 05/01/1965 | Unsuccessfully completed training to improve his infield defense at the Nagasaki Stars development complex. |
| 07/16/1965 | Named the #25 prospect in the BAN |
| 03/22/1966 | Unsuccessfully completed training to improve his pitch control at the Nagasaki Stars development complex. |
| 05/01/1966 | Named the #27 prospect in the BAN |
| 07/16/1966 | Named the #30 prospect in the BAN |
| 05/01/1967 | Named the #20 prospect in the BAN |
| 07/16/1967 | Named the #30 prospect in the BAN |
| 03/21/1968 | Outstandingly completed training to improve his pitch control at the Nagasaki Stars development complex. |
| 05/01/1968 | Named the #30 prospect in the BAN |
| 06/11/1970 | Released by the Nagasaki Stars. |
| 11/08/1970 | Signed a 1-year contract worth a total of $17,600 with the Fukuoka Falcons organization. |
| 05/16/1971 | Released by the Fukuoka Falcons. |
| 05/29/1971 | Signed a 1-year contract worth a total of $16,000 with the Vesutan Bees organization. |
| 09/02/1971 | Released by the Vesutan Bees. |
| 01/17/1972 | Signed a 1-year contract worth a total of $13,950 with the Kinboshi Kites organization. |
| 06/19/1972 | Injured (mild hamstring strain),day-to-day for 2 weeks. |
| 05/01/1973 | Successfully completed training to make one of his poorer pitches more usable at the Kinboshi Kites development complex. |
| 05/01/1973 | Released by the Kinboshi Kites. |
| 09/21/1973 | Signed a 2-year contract worth a total of $27,600 with the Yokohama Kingfishers organization. |
| 06/06/1974 | Released by the Yokohama Kingfishers. |