| Highest Rank | Sekiwake |
| Real Name | MOTOMURA# Masaaki - Koiwai Masaaki |
| Birth Date | November 29, 1935 |
| Shusshin | Saga-ken, Ogi-gun, Mikatsuki-cho |
| Death Date | December 16, 2006 (71 years) |
| Height and Weight | 174 cm 124 kg |
| Heya | Dewanoumi |
| Shikona | Oginohana Masaaki |
| Hatsu Dohyo | 1952.01 |
| Intai | 1967.05 |
| Kabu | Takasaki Masaaki |
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| Career Record | 524-522-9/1044 (81 basho) |
| In Makuuchi | 387-422-1/807 (54 basho), 1 Gino-Sho, 1 Shukun-Sho, 3 Kinboshi |
| As Sekiwake | 21-24/45 (3 basho), 1 Gino-Sho |
| As Komusubi | 7-8/15 (1 basho) |
| As Maegashira | 359-390-1/747 (50 basho), 1 Shukun-Sho, 3 Kinboshi |
| In Juryo | 44-31/75 (5 basho) |
| In Makushita | 43-20-8/63 (9 basho), 1 Yusho |
| In Sandanme | 42-46/88 (11 basho) |
| In Jonidan | 6-2/8 (1 basho) |
| In Shinjo | 2-1/3 (1 basho) |
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