| Highest Rank | Sekiwake |
| Real Name | IRII Isamu |
| Birth Date | June 28, 1940 |
| Shusshin | Ibaraki-ken, Ryugasaki-shi |
| Death Date | July 5, 1997 (57 years) |
| Height and Weight | 172 cm 120 kg |
| Heya | Onogawa - Dewanoumi |
| Shikona | Irii Isamu - Kainoyama Isamu - Shinoburyu Masamune - Shinoburyu Isamu - Kainoyama Isamu - Kainoyama Masatake - Kainoyama Isamu |
| Hatsu Dohyo | 1956.05 |
| Intai | 1970.01 |
| Kabu | Onogawa Isamu |
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| Career Record | 550-496-13/1044 (80 basho) |
| In Makuuchi | 384-413-13/795 (54 basho), 1 Jun-Yusho, 3 Gino-Sho, 1 Shukun-Sho, 2 Kanto-Sho, 5 Kinboshi |
| As Sekiwake | 18-27/45 (3 basho), 1 Shukun-Sho |
| As Komusubi | 16-29/45 (3 basho) |
| As Maegashira | 350-357-13/705 (48 basho), 1 Jun-Yusho, 3 Gino-Sho, 2 Kanto-Sho, 5 Kinboshi |
| In Juryo | 63-42/105 (7 basho) |
| In Makushita | 63-25/88 (11 basho), 1 Yusho |
| In Sandanme | 23-9/32 (4 basho), 1 Yusho |
| In Jonidan | 12-4/16 (2 basho) |
| In Jonokuchi | 5-3/8 (1 basho) |
| In Mae-zumo | 1 basho |
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