| 06/05/1964 | Drafted in the 1964 first-year player draft by the Sapporo Bears. (Round 1, Pick 8, 8th overall pick). |
| 07/16/1964 | Named the #27 prospect in the BAN |
| 08/13/1964 | Injured (bruised thigh),day-to-day for 4 days. |
| 03/22/1965 | Unsuccessfully completed training to improve his plate discipline at the Sapporo Bears development complex. |
| 05/01/1965 | Named the #18 prospect in the BAN |
| 07/16/1965 | Named the #24 prospect in the BAN |
| 03/22/1966 | Successfully completed training to generate more batspeed and homerun power at the Sapporo Bears development complex. |
| 05/01/1966 | Named the #21 prospect in the BAN |
| 03/22/1967 | Outstandingly completed training to improve his plate discipline at the Sapporo Bears development complex. |
| 05/01/1967 | Detrimentally completed training to improve his infield defense at the Sapporo Bears development complex. |
| 03/21/1968 | Outstandingly completed training to improve his strength and conditioning at the Sapporo Bears development complex. |
| 05/01/1968 | Unsuccessfully completed training to improve his infield defense at the Sapporo Bears development complex. |
| 04/30/1969 | Unsuccessfully completed training to improve his infield defense at the Sapporo Bears development complex. |
| 07/31/1970 | Was selected to the 1970 Baseball Association of Nippon All-Star Game. |
| 08/02/1970 | Earned 1970 Baseball Association of Nippon All-Star Game MVP honors. |
| 05/01/1971 | Successfully completed training to improve his plate discipline at the Sapporo Bears development complex. |
| 05/07/1971 | Injured (sore elbow),out for 4-5 weeks. |
| 05/28/1971 | Suffered setback in recovery from injury, will miss another 2 weeks. |
| 07/31/1971 | Was selected to the 1971 Baseball Association of Nippon All-Star Game. |
| 08/09/1971 | Wins the BAN EL Player of the Week Award. |
| 09/20/1971 | Wins the BAN EL Player of the Week Award. |
| 12/09/1971 | Was traded by the Sapporo Bears to the Denki Dynamics in exchange for CL Keisuke Tanada, 3B Yuzuru Ryu, and RP Wei-Tzu Kato. |
| 07/05/1972 | Injured (hamstring soreness),day-to-day for 1 day. |
| 07/31/1972 | Was selected to the 1972 Baseball Association of Nippon All-Star Game. |
| 05/28/1973 | Wins the BAN EL Player of the Week Award. |
| 07/11/1973 | Injured (sprained knee),day-to-day for 2 weeks. |
| 07/31/1973 | Was selected to the 1973 Baseball Association of Nippon All-Star Game. |
| 07/31/1974 | Was selected to the 1974 Baseball Association of Nippon All-Star Game. |
| 08/08/1974 | Injured (broken hamate bone),out for 2-3 months. |
| LEADERBOARD APPEARANCES |
| Year | GS | Rank | | 1972 | 132 | 9 | | 1973 | 132 | 5 | | | Year | PA | Rank | | 1970 | 561 | 5 | | 1973 | 557 | 9 | | | | Year | H | Rank | | 1970 | 123 | 5 | | 1973 | 146 | 5 | | |
| Year | 2B | Rank | | 1970 | 23 | 1 | | 1971 | 29 | 3 | | 1972 | 19 | 9 | | 1973 | 26 | 2 | | | Year | 3B | Rank | | 1972 | 5 | 5 | | 1974 | 2 | 9 | | | Year | SB | Rank | | 1970 | 27 | 7 | | 1971 | 25 | 5 | | 1972 | 22 | 8 | | 1973 | 28 | 5 | | 1974 | 24 | 2 | | | Year | R | Rank | | 1970 | 72 | 6 | | 1972 | 82 | 10 | | 1973 | 80 | 7 | | | Year | BB | Rank | | 1970 | 63 | 10 | | 1971 | 61 | 9 | | 1972 | 120 | 3 | | 1973 | 74 | 3 | |
| Year | IBB | Rank | | 1968 | 11 | 9 | | 1969 | 12 | 10 | | | | Year | SF | Rank | | 1970 | 3 | 10 | | 1971 | 5 | 4 | | 1972 | 6 | 2 | | | Year | EBH | Rank | | 1970 | 40 | 10 | | 1971 | 45 | 9 | | | Year | AVG | Rank | | 1970 | .251 | 6 | | 1971 | .342 | 2 | | 1973 | .304 | 4 | |
| Year | OBP | Rank | | 1970 | .339 | 8 | | 1971 | .437 | 3 | | 1972 | .421 | 5 | | 1973 | .397 | 4 | | | Year | SLG | Rank | | 1971 | .544 | 6 | | | Year | RC | Rank | | 1970 | 68.69 | 7 | | 1971 | 94.40 | 5 | | 1972 | 88.40 | 8 | | 1973 | 91.21 | 6 | | | Year | RC/27 | Rank | | 1970 | 4.73 | 8 | | 1971 | 9.84 | 4 | | 1972 | 6.84 | 8 | | 1973 | 6.96 | 6 | | | Year | ISO | Rank | | 1971 | .202 | 8 | |
| Year | wOBA | Rank | | 1970 | .329 | 8 | | 1971 | .429 | 4 | | 1972 | .395 | 8 | | 1973 | .380 | 7 | | | Year | OPS | Rank | | 1970 | .737 | 10 | | 1971 | .981 | 5 | | 1972 | .844 | 10 | | 1973 | .849 | 8 | | | Year | WAR | Rank | | 1970 | 4.7 | 7 | | 1971 | 7.2 | 4 | | 1972 | 6.2 | 4 | | 1973 | 6.4 | 3 | | 1974 | 4.4 | 10 | | | |