| 06/05/1963 | Drafted in the 1963 first-year player draft by the Sapporo Bears. (Round 3, Pick 2, 26th overall pick). |
| 06/06/1963 | Released by the Sapporo Bears. |
| 06/10/1963 | Signed a 1-year minor league contract with the Yokohama Kingfishers organization. |
| 06/12/1963 | Released by the Yokohama Kingfishers. |
| 06/17/1963 | Signed a 1-year minor league contract with the Yokohama Kingfishers organization. |
| 06/18/1963 | Released by the Yokohama Kingfishers. |
| 06/22/1963 | Signed a 1-year minor league contract with the Osaka Sailors organization. |
| 06/23/1963 | Released by the Osaka Sailors. |
| 06/24/1963 | Signed a 1-year minor league contract with the Kobe Bulls organization. |
| 06/25/1963 | Released by the Kobe Bulls. |
| 06/25/1963 | Signed a 1-year minor league contract with the Hosho Reliables organization. |
| 06/26/1963 | Released by the Hosho Reliables. |
| 07/02/1963 | Signed a 1-year minor league contract with the Kyoto Owls organization. |
| 07/03/1963 | Released by the Kyoto Owls. |
| 07/03/1963 | Signed a 1-year minor league contract with the Kinboshi Kites organization. |
| 07/04/1963 | Released by the Kinboshi Kites. |
| 07/05/1963 | Signed a 1-year minor league contract with the Sapporo Bears organization. |
| 07/06/1963 | Released by the Sapporo Bears. |
| 07/12/1963 | Signed a 1-year minor league contract with the Vesutan Bees organization. |
| 07/13/1963 | Released by the Vesutan Bees. |
| 07/13/1963 | Signed a 1-year minor league contract with the Kobe Bulls organization. |
| 07/14/1963 | Released by the Kobe Bulls. |
| 07/14/1963 | Signed a 1-year minor league contract with the Hosho Reliables organization. |
| 07/15/1963 | Released by the Hosho Reliables. |
| 07/16/1963 | Signed a 1-year minor league contract with the Vesutan Bees organization. |
| 09/15/1963 | Released by the Vesutan Bees. |
| 09/21/1963 | Signed a 1-year minor league contract with the Nagasaki Stars organization. |
| 10/01/1963 | Released by the Nagasaki Stars. |
| 10/02/1963 | Signed a 1-year minor league contract with the Hosho Reliables organization. |
| 10/14/1963 | Named the #56 prospect in the BAN |
| 01/01/1964 | OSA scouting updated ratings: Stuff: 1; Movement: 2; Control: 2. |
| 05/01/1964 | Named the #18 prospect in the BAN |
| 05/01/1964 | Outstandingly completed training to work on his bunting at the Hosho Reliables development complex. |
| 07/16/1964 | Named the #43 prospect in the BAN |
| 10/12/1964 | Named the #34 prospect in the BAN |
| 03/22/1965 | Unsuccessfully completed training to improve his pitch control at the Hosho Reliables development complex. |
| 05/01/1965 | Named the #31 prospect in the BAN |
| 06/18/1965 | Was suspended for 1 games. |
| 07/16/1965 | Named the #46 prospect in the BAN |
| 05/01/1966 | Named the #44 prospect in the BAN |
| 07/16/1966 | Named the #52 prospect in the BAN |
| 10/14/1966 | Named the #37 prospect in the BAN |
| 05/01/1967 | Named the #35 prospect in the BAN |
| 07/16/1967 | Named the #43 prospect in the BAN |
| 03/21/1968 | Successfully completed training to improve his secondary pitch at the Hosho Reliables development complex. |
| 05/01/1968 | Named the #44 prospect in the BAN |
| 05/01/1968 | Unsuccessfully completed training to improve his infield defense at the Hosho Reliables development complex. |
| 10/10/1968 | Wins the 1968 BAN Championship Series with the Hosho Reliables. |
| 04/10/1969 | Successfully completed training to work on his bunting at the Hosho Reliables development complex. |
| 05/01/1969 | Named the #53 prospect in the BAN |
| 07/01/1969 | Wins the BAN EL Rookie of the Month Award. |
| 07/27/1971 | Pitches a 7-hit shutout against the Yokohama Kingfishers with 5 strikeouts and 1 BB allowed! |
| 08/02/1971 | Wins the BAN EL Player of the Week Award. |
| 11/25/1972 | Detrimentally completed training to improve his infield defense at the Hosho Reliables development complex. |
| LEADERBOARD APPEARANCES |
| | | | | Year | Win. % | Rank | | 1972 | .600 | 6 | | |
| Year | IP | Rank | | 1972 | 199.2 | 10 | | | | Year | ERA | Rank | | 1971 | 3.55 | 4 | | 1972 | 3.56 | 9 | | | Year | WHIP | Rank | | 1972 | 1.25 | 6 | | 1973 | 1.23 | 10 | | | Year | RA/9 | Rank | | 1972 | 11.54 | 6 | | 1973 | 11.14 | 6 | |
| Year | HR/9 | Rank | | 1971 | 0.97 | 7 | | 1973 | 0.84 | 6 | | | Year | BB/9 | Rank | | 1972 | 3.11 | 3 | | 1973 | 2.47 | 5 | | | | Year | QS | Rank | | 1971 | 16 | 8 | | 1972 | 19 | 3 | | 1973 | 18 | 7 | | | Year | QSP | Rank | | 1971 | .571 | 8 | | 1972 | .655 | 4 | | 1973 | .621 | 7 | |
| | | Year | GB% | Rank | | 1971 | 0.56 | 7 | | 1973 | 0.53 | 10 | | | Year | WAR | Rank | | 1972 | 3.4 | 10 | | 1973 | 4.2 | 5 | | | |