| Highest Rank | Ozeki |
| Real Name | NAKAYAMA Koichi |
| Birth Date | April 26, 1957 |
| Shusshin | Mie-ken, Tsu-shi |
| Height and Weight | 183 cm 155 kg |
| Heya | Sadogatake |
| Shikona | Nakanoyama - Kotokaze Koki |
| Hatsu Dohyo | 1971.07 |
| Intai | 1985.11 |
| Kabu | Oguruma Koichi |
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| Career Record | 561-352-102/908 (87 basho) |
| In Makuuchi | 395-249-80/639 (49 basho), 2 Yusho, 2 Jun-Yusho, 1 Gino-Sho, 3 Shukun-Sho, 2 Kanto-Sho, 6 Kinboshi |
| As Ozeki | 212-110-8/321 (22 basho), 1 Yusho, 1 Jun-Yusho |
| As Sekiwake | 68-47-35/114 (10 basho), 1 Yusho, 1 Gino-Sho, 1 Shukun-Sho |
| As Komusubi | 7-8/15 (1 basho) |
| As Maegashira | 108-84-37/189 (16 basho), 1 Jun-Yusho, 2 Shukun-Sho, 2 Kanto-Sho, 6 Kinboshi |
| In Juryo | 70-50-15/120 (9 basho), 1 Yusho |
| In Makushita | 45-18-7/63 (10 basho), 1 Yusho |
| In Sandanme | 29-20/49 (7 basho) |
| In Jonidan | 19-11/30 (10 basho) |
| In Jonokuchi | 3-4/7 (1 basho) |
| In Mae-zumo | 1 basho |
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