| 06/05/1954 | Drafted in the 1954 first-year player draft by the Sapporo Bears. (Round 2, Pick 1, 13th overall pick). |
| 05/01/1955 | Named the #57 prospect in the BAN |
| 07/16/1955 | Named the #71 prospect in the BAN |
| 10/10/1955 | Named the #69 prospect in the BAN |
| 05/01/1956 | Named the #67 prospect in the BAN |
| 06/02/1959 | Pitches a 4-hit shutout against the Yokohama Kingfishers with 6 strikeouts and 2 BB allowed! |
| 03/23/1960 | Unsuccessfully completed training to improve his strength and conditioning at the Sapporo Bears development complex. |
| 07/24/1960 | Pitches a 2-hit shutout against the Denki Dynamics with 1 strikeouts and 1 BB allowed! |
| 03/23/1962 | Successfully completed training to improve his strength and conditioning at the Sapporo Bears development complex. |
| 01/01/1963 | OSA scouting updated ratings: Stuff: 3; Movement: 3; Control: 2. |
| 01/01/1963 | OSA scouting updated ratings: Stuff: 3; Movement: 3; Control: 2. |
| 05/04/1963 | Injured (shoulder tendinitis),day-to-day for 2 weeks. |
| 01/01/1964 | OSA scouting updated ratings: Stuff: 3; Movement: 3; Control: 2. |
| 07/01/1965 | Injured (flu),day-to-day for 5 days. |
| 08/11/1968 | Pitches a 6-hit shutout against the Denki Dynamics with 4 strikeouts and 0 BB allowed! |
| 10/12/1970 | Retired from professional baseball. |