| 06/05/1964 | Drafted in the 1964 first-year player draft by the Kyoto Owls. (Round 2, Pick 4, 16th overall pick). |
| 06/06/1964 | Released by the Kyoto Owls. |
| 06/16/1964 | Signed a minor league contract with majors option with the Yokohama Kingfishers organization. |
| 06/17/1964 | Released by the Yokohama Kingfishers. |
| 06/24/1964 | Signed a minor league contract with majors option with the Sapporo Bears organization. |
| 06/27/1964 | Released by the Sapporo Bears. |
| 07/08/1964 | Signed a minor league contract with majors option with the Fukuoka Falcons organization. |
| 07/09/1964 | Released by the Fukuoka Falcons. |
| 07/16/1964 | Signed a minor league contract with majors option with the Yokohama Kingfishers organization. |
| 07/16/1964 | Named the #14 prospect in the BAN |
| 10/12/1964 | Named the #12 prospect in the BAN |
| 05/01/1965 | Named the #15 prospect in the BAN |
| 05/31/1965 | Did not elect for free agency and will remain in the Yokohama organization. |
| 07/16/1965 | Named the #28 prospect in the BAN |
| 03/22/1966 | Unsuccessfully completed training to improve his pitch control at the Yokohama Kingfishers development complex. |
| 05/01/1966 | Named the #24 prospect in the BAN |
| 03/22/1967 | Unsuccessfully completed training to increase his pitch movement at the Yokohama Kingfishers development complex. |
| 03/21/1968 | Successfully completed training to improve his pitch control at the Yokohama Kingfishers development complex. |
| 07/31/1968 | Was selected to the 1968 Baseball Association of Nippon All-Star Game. |
| 07/20/1969 | Injured (food poisoning),out for 1 day. |
| 05/01/1971 | Outstandingly completed training to improve his pitch control at the Yokohama Kingfishers development complex. |
| 07/31/1971 | Was selected to the 1971 Baseball Association of Nippon All-Star Game. |
| 01/28/1972 | Was traded by the Yokohama Kingfishers to the Fukuoka Falcons, along with RP Yukinari Kitano, in exchange for SS Jun'ichiro Yamamoto. |