| 01/01/1964 | OSA scouting updated ratings: Stuff: 2; Movement: 2; Control: 1. |
| 06/05/1967 | Drafted in the 1967 first-year player draft by the Kobe Bulls. (Round 1, Pick 12, 12th overall pick). |
| 07/16/1967 | Named the #21 prospect in the BAN |
| 03/21/1968 | Unsuccessfully completed training to improve his strength and conditioning at the Kobe Bulls development complex. |
| 05/01/1968 | Named the #9 prospect in the BAN |
| 05/01/1968 | Successfully completed training to work on his bunting at the Kobe Bulls development complex. |
| 05/01/1969 | Named the #17 prospect in the BAN |
| 07/16/1969 | Named the #23 prospect in the BAN |
| 10/13/1969 | Named the #19 prospect in the BAN |
| 05/01/1970 | Named the #20 prospect in the BAN |
| 06/06/1970 | Released by the Kobe Bulls. |
| 08/01/1970 | Signed a minor league contract with majors option with the Sapporo Bears organization. |
| 05/01/1971 | Named the #23 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 #33 prospect in the BAN |
| 05/01/1972 | Named the #37 prospect in the BAN |
| 07/16/1972 | Named the #52 prospect in the BAN |
| 05/01/1973 | Outstandingly completed training to increase his pitch movement at the Sapporo Bears development complex. |
| 10/24/1973 | Was traded by the Sapporo Bears to the Yokohama Kingfishers in exchange for 2B Gunji Nakashima and CF Nobuyori Toyama. |
| 07/03/1974 | Injured (sinus infection),day-to-day for 1 day. |
| 07/15/1974 | Injured (oblique strain),out for one week. |