| 06/05/1964 | Drafted in the 1964 first-year player draft by the Yokohama Kingfishers. (Round 1, Pick 12, 12th overall pick). |
| 06/06/1964 | Released by the Yokohama Kingfishers. |
| 06/11/1964 | Signed a minor league contract with majors option with the Osaka Sailors organization. |
| 10/12/1964 | Named the #10 prospect in the BAN |
| 05/01/1965 | Named the #10 prospect in the BAN |
| 05/31/1965 | Did not elect for free agency and will remain in the Osaka organization. |
| 07/16/1965 | Named the #20 prospect in the BAN |
| 10/11/1965 | Named the #19 prospect in the BAN |
| 05/01/1966 | Named the #20 prospect in the BAN |
| 05/31/1966 | Did not elect for free agency and will remain in the Osaka organization. |
| 07/16/1966 | Named the #22 prospect in the BAN |
| 05/01/1967 | Named the #14 prospect in the BAN |
| 05/31/1967 | Did not elect for free agency and will remain in the Osaka organization. |
| 07/16/1967 | Named the #23 prospect in the BAN |
| 07/26/1967 | Was traded by the Osaka Sailors to the Yokohama Kingfishers, along with LF Nampo Okubo, in exchange for 3B Katsunari Ishiguro. |
| 10/14/1967 | Named the #30 prospect in the BAN |
| 03/21/1968 | Unsuccessfully completed training to increase his endurance on the mound at the Yokohama Kingfishers development complex. |
| 05/01/1968 | Named the #34 prospect in the BAN |
| 05/31/1968 | Did not elect for free agency and will remain in the Yokohama organization. |
| 05/01/1969 | Named the #68 prospect in the BAN |
| 05/31/1969 | Did not elect for free agency and will remain in the Yokohama organization. |
| 07/16/1969 | Named the #88 prospect in the BAN |
| 10/13/1969 | Named the #92 prospect in the BAN |
| 05/01/1970 | Named the #92 prospect in the BAN |
| 05/31/1970 | Did not elect for free agency and will remain in the Yokohama organization. |