| Highest Rank | Maegashira 1 |
| Real Name | NAGAI# Koichiro - Isono# Koichiro - Nagai# Koichiro |
| Birth Date | September 30, 1897 |
| Shusshin | Tochigi-ken, Utsunomiya-shi |
| Death Date | October 20, 1972 (75 years) |
| Height and Weight | 170 cm 98 kg |
| Heya | Takasago |
| Shikona | Akutsugawa Koichiro |
| Hatsu Dohyo | 1914.05 (Shinjo) |
| Intai | 1929.03 |
| Kabu | Sadogatake Koichiro |
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| Career Record | 142-128-35-3a/272 (35 basho) |
| In Makuuchi | 100-119-35-2a/220 (24 basho), 1 Kinboshi |
| As Maegashira | 100-119-35-2a/220 (24 basho), 1 Kinboshi |
| In Juryo | 12-2/14 (2 basho), 2 Yusho |
| In Makushita | 9-1/10 (2 basho) |
| In Sandanme | 8-2/10 (2 basho) |
| In Jonidan | 7-2-1a/10 (2 basho) |
| In Jonokuchi | 3-2/5 (1 basho) |
| In Shinjo | 3-0/3 (1 basho) |
| In Mae-zumo | 1 basho |
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