| 01/01/1963 | OSA scouting updated ratings: Contact: 2; Power: 2; Eye: 1. |
| 01/01/1964 | OSA scouting updated ratings: Contact: 2; Power: 1; Eye: 1. |
| 06/05/1965 | Drafted in the 1965 first-year player draft by the Hosho Reliables. (Round 1, Pick 3, 3rd overall pick). |
| 07/16/1965 | Named the #2 prospect in the BAN |
| 05/01/1966 | Named the #3 prospect in the BAN |
| 05/01/1966 | Unsuccessfully completed training to improve his infield defense at the Hosho Reliables development complex. |
| 07/16/1966 | Named the #3 prospect in the BAN |
| 03/22/1967 | Outstandingly completed training to improve his plate discipline at the Hosho Reliables development complex. |
| 05/01/1967 | Named the #5 prospect in the BAN |
| 05/01/1967 | Unsuccessfully completed training to improve his infield defense at the Hosho Reliables development complex. |
| 05/01/1968 | Unsuccessfully completed training to improve his infield defense at the Hosho Reliables development complex. |
| 06/12/1968 | Released by the Hosho Reliables. |
| 08/13/1968 | Signed a 1-year minor league contract with the Denki Dynamics organization. |
| 09/10/1968 | Released by the Denki Dynamics. |
| 09/24/1968 | Signed a 1-year minor league contract with the Kinboshi Kites organization. |
| 03/21/1969 | Outstandingly completed training to generate gap power at the Kinboshi Kites development complex. |
| 04/10/1969 | Successfully completed training to learn a new position at the Kinboshi Kites development complex. |
| 05/01/1969 | Released by the Kinboshi Kites. |
| 05/17/1969 | Signed a 1-year minor league contract with the Fukuoka Falcons organization. |
| 11/10/1969 | Was traded by the Fukuoka Falcons to the Denki Dynamics, along with SS Tetsuji Saito and SP Yugoro Yoshida, in exchange for 1B Satoshi Takahashi. |
| 04/11/1970 | Unsuccessfully completed training to improve his infield defense at the Denki Dynamics development complex. |
| 04/30/1971 | Successfully completed training to improve his infield defense at the Denki Dynamics development complex. |
| 05/07/1972 | Injured (food poisoning),out for 2 days. |