Tokuyama Maru
| Name | Tokuyama Maru |
| Type | Steamer |
| GRT | 7,029 tons |
| Country |  Japanese |
| Built | 1915 |
| Builder | Kawasaki Dockyard Co., Ltd., Kobe |
| Operator | Nippon Yusen K.K., Tokyo |
| History |
U-boat attacks on Steamer Tokuyama Maru
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 2 Aug 1918 | U 140 (Waldemar Kophamel) | Sunk | off the east coast of the US | 39.12N, 70.23W | Fowey & Plymouth - New York | chalk |
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