| 06/05/1958 | Drafted in the 1958 first-year player draft by the Kyoto Owls. (Round 3, Pick 8, 32nd overall pick). |
| 06/06/1958 | Released by the Kyoto Owls. |
| 06/12/1958 | Signed a 1-year minor league contract with the Kinboshi Kites organization. |
| 06/12/1958 | Released by the Kinboshi Kites. |
| 06/14/1958 | Signed a 1-year minor league contract with the Vesutan Bees organization. |
| 06/14/1958 | Released by the Vesutan Bees. |
| 06/17/1958 | Signed a 1-year minor league contract with the Rakisuta Rams organization. |
| 06/17/1958 | Released by the Rakisuta Rams. |
| 06/18/1958 | Signed a 1-year minor league contract with the Yokohama Kingfishers organization. |
| 06/18/1958 | Released by the Yokohama Kingfishers. |
| 06/20/1958 | Signed a 1-year minor league contract with the Hosho Reliables organization. |
| 06/20/1958 | Released by the Hosho Reliables. |
| 06/22/1958 | Signed a 1-year minor league contract with the Fukuoka Falcons organization. |
| 06/23/1958 | Released by the Fukuoka Falcons. |
| 06/23/1958 | Signed a 1-year minor league contract with the Kinboshi Kites organization. |
| 06/24/1958 | Released by the Kinboshi Kites. |
| 06/24/1958 | Signed a 1-year minor league contract with the Vesutan Bees organization. |
| 06/24/1958 | Released by the Vesutan Bees. |
| 06/25/1958 | Signed a 1-year minor league contract with the Rakisuta Rams organization. |
| 06/25/1958 | Released by the Rakisuta Rams. |
| 06/29/1958 | Signed a 1-year minor league contract with the Rakisuta Rams organization. |
| 06/29/1958 | Released by the Rakisuta Rams. |
| 07/01/1958 | Signed a 1-year minor league contract with the Fukuoka Falcons organization. |
| 07/01/1958 | Released by the Fukuoka Falcons. |
| 07/06/1958 | Signed a 1-year minor league contract with the Rakisuta Rams organization. |
| 07/07/1958 | Released by the Rakisuta Rams. |
| 07/07/1958 | Signed a 1-year minor league contract with the Denki Dynamics organization. |
| 07/07/1958 | Released by the Denki Dynamics. |
| 07/09/1958 | Signed a 1-year minor league contract with the Kyoto Owls organization. |
| 07/09/1958 | Released by the Kyoto Owls. |
| 07/10/1958 | Signed a 1-year minor league contract with the Yokohama Kingfishers organization. |
| 07/10/1958 | Released by the Yokohama Kingfishers. |
| 07/12/1958 | Signed a 1-year minor league contract with the Vesutan Bees organization. |
| 07/12/1958 | Released by the Vesutan Bees. |
| 07/13/1958 | Signed a 1-year minor league contract with the Kinboshi Kites organization. |
| 07/13/1958 | Released by the Kinboshi Kites. |
| 07/16/1958 | Signed a 1-year minor league contract with the Nagasaki Stars organization. |
| 07/16/1958 | Named the #98 prospect in the BAN |
| 08/22/1958 | Released by the Nagasaki Stars. |
| 08/25/1958 | Signed a 1-year minor league contract with the Sapporo Bears organization. |
| 11/12/1958 | Released by the Sapporo Bears. |
| 11/17/1958 | Signed a 1-year minor league contract with the Kyoto Owls organization. |
| 07/27/1959 | Released by the Kyoto Owls. |
| 08/08/1959 | Signed a 1-year minor league contract with the Kyoto Owls organization. |
| 10/21/1959 | Released by the Kyoto Owls. |
| 11/01/1959 | Signed a 1-year minor league contract with the Vesutan Bees organization. |
| 01/19/1960 | Released by the Vesutan Bees. |
| 02/24/1960 | Signed a minor league contract with majors option with the Vesutan Bees organization. |
| 03/04/1960 | Released by the Vesutan Bees. |
| 03/10/1960 | Signed a 1-year minor league contract with the Fukuoka Falcons organization. |
| 05/11/1960 | Released by the Fukuoka Falcons. |
| 05/20/1960 | Signed a 1-year minor league contract with the Fukuoka Falcons organization. |
| 09/02/1960 | Released by the Fukuoka Falcons. |
| 09/05/1960 | Signed a 1-year minor league contract with the Nagasaki Stars organization. |
| 09/05/1960 | Released by the Nagasaki Stars. |
| 09/08/1960 | Signed a 1-year minor league contract with the Yokohama Kingfishers organization. |
| 03/23/1961 | Outstandingly completed training to increase his pitch movement at the Yokohama Kingfishers development complex. |
| 05/01/1961 | Named the #90 prospect in the BAN |
| 10/12/1961 | Named the #67 prospect in the BAN |
| 05/01/1962 | Named the #53 prospect in the BAN |
| 07/16/1962 | Named the #60 prospect in the BAN |
| 01/01/1963 | OSA scouting updated ratings: Stuff: 2; Movement: 3; Control: 2. |
| 01/01/1963 | OSA scouting updated ratings: Stuff: 2; Movement: 3; Control: 2. |
| 05/01/1963 | Named the #49 prospect in the BAN |
| 09/29/1963 | Released by the Yokohama Kingfishers. |
| 10/04/1963 | Signed a 1-year contract worth a total of $22,400 with the Nagasaki Stars organization. |
| 10/13/1963 | Wins the 1963 BAN Championship Series with the Nagasaki Stars. |
| 01/01/1964 | OSA scouting updated ratings: Stuff: 3; Movement: 3; Control: 2. |
| 07/31/1964 | Was selected to the 1964 Baseball Association of Nippon All-Star Game. |
| 09/17/1966 | Pitches a 0-hit shutout against the Kinboshi Kites with 3 strikeouts and 1 BB allowed! |
| 01/15/1972 | Was traded by the Nagasaki Stars to the Sapporo Bears, along with SP Naohiko Tanaka, in exchange for SS Shigeo Morishita. |
| 05/21/1974 | Pitches a 5-hit shutout against the Denki Dynamics with 1 strikeouts and 4 BB allowed! |
| LEADERBOARD APPEARANCES |
| Year | GS | Rank | | 1972 | 31 | 1 | | 1973 | 31 | 2 | | 1974 | 31 | 1 | | | | Year | L | Rank | | 1969 | 11 | 9 | | 1972 | 16 | 2 | | 1973 | 14 | 2 | | 1974 | 12 | 5 | | | Year | Win. % | Rank | | 1971 | .682 | 5 | | | Year | SV | Rank | | 1963 | 5 | 8 | | 1964 | 6 | 8 | |
| Year | HLD | Rank | | 1964 | 6 | 8 | | 1966 | 2 | 10 | | | Year | IP | Rank | | 1973 | 206.1 | 9 | | | Year | BF | Rank | | 1972 | 882 | 9 | | 1973 | 911 | 6 | | 1974 | 884 | 8 | | | Year | BB | Rank | | 1969 | 61 | 5 | | 1971 | 105 | 2 | | 1972 | 160 | 2 | | 1973 | 146 | 1 | | 1974 | 129 | 1 | | |
| Year | WP | Rank | | 1970 | 10 | 3 | | 1971 | 11 | 1 | | 1972 | 7 | 6 | | 1973 | 13 | 1 | | | Year | BABIP | Rank | | 1971 | .266 | 7 | | 1973 | .247 | 6 | | 1974 | .256 | 9 | | | Year | HR/9 | Rank | | 1973 | 0.79 | 5 | | 1974 | 0.77 | 4 | | | Year | H/9 | Rank | | 1971 | 7.61 | 9 | | 1973 | 7.15 | 3 | | 1974 | 7.66 | 3 | | | Year | K/9 | Rank | | 1973 | 5.58 | 8 | |
| | | Year | QS | Rank | | 1971 | 19 | 7 | | 1973 | 18 | 7 | | 1974 | 19 | 4 | | | Year | QSP | Rank | | 1971 | .679 | 7 | | 1974 | .613 | 7 | | | Year | SHO | Rank | | 1966 | 1 | 5 | | 1974 | 1 | 8 | | | Year | GB% | Rank | | 1969 | 0.52 | 9 | | 1971 | 0.57 | 5 | | 1972 | 0.61 | 1 | | 1973 | 0.56 | 3 | | 1974 | 0.56 | 7 | |