KD-klassen
Japan: 35
| I-51 (KD1) | Kure Navy Yard | - | - | -24 | >træning 31; udfaset 41 |
| I-52 (KD2) | Kure Navy Yard | - | - | -25 | >træning 40; udfaset 42 |
| I-53 (KD3A) | Kure Navy Yard | - | - | 27/28 | - |
| I-54 (KD3A) | Sasebo Navy Yard | - | - | -27 | - |
| I-55 (KD3A) | Kure Navy Yard | - | - | 27/28 | - |
| I-56 (KD3B) | Kure Navy Yard | - | - | -29 | - |
| I-57 (KD3B) | Kure Navy Yard | - | - | -29 | - |
| I-58 (KD3A) | Yokosuka Navy Yard | - | - | -28 | - |
| I-59 (KD3B) | Yokosuka Navy Yard | - | - | -30 | - |
| I-60 (KD3B) | Sasebo Navy Yard | - | - | 28/29 | sænket af britisk ubåd 42 |
| I-61 (KD4) | Mitsubishi, Kobe | - | - | 29/30 | - |
| I-62 (KD4) | Mitsubishi, Kobe | - | - | 29/30 | - |
| I-63 (KB3B) | Sasebo Navy Yard | - | - | 28/29 | sank efter kollision 39 |
| I-64 (KD4) | Kure Navy Yard | - | - | -30 | - |
| I-65 (KD5) | Kure Navy Yard | - | - | -32 | - |
| I-66 (KD5) | Sasebo Navy Yard | - | - | -32 | - |
| I-67 (KD5) | Mitsubishi, Kobe | - | - | -32 | - |
| I-68 (KD6A) | Kure Navy Yard | - | - | -34 | - |
| I-69 (KD6A) | Mitsubishi, Kobe | - | - | 34/36 | - |
| I-70 (KD6A) | Sasebo Navy Yard | - | - | -34 | - |
| I-71 (KD6A)>I-171 | Kawasaki, Kobe | - | - | 34/35 | > transportubåd |
| I-72 (KD6A) | Mitsubishi, Kobe | - | - | 34/36 | - |
| I-73 (KD6A) | Kawasaki, Kobe | - | - | 34/36 | - |
| I-74 (KD6B)>I-174 | Sasebo Navy Yard | - | - | -38 | > transportubåd |
| I-75 (KD6B)>I-175 | Mitsubishi, Kobe | - | - | -38 | > transportubåd |
| I-76 (KD7) | Kure Navy Yard | - | - | 42/43 | - |
| I-77 (KD7) | Kawasaki, Kobe | - | - | 42/43 | - |
| I-78 (KD7) | Mitsubishi, Kobe | - | - | -42 | - |
| I-79 (KD7) | Kawasaki, Kobe | - | - | 42/43 | - |
| I-80 (KD7) | Yokosuka Navy Yard | - | - | -44 | - |
| I-81 (KD7) | Kure Navy Yard | - | - | 42/43 | - |
| I-82 (KD7) | Yokosuka Navy Yard | - | - | -44 | - |
| I-83 (KD7) | Kawasaki, Kobe | - | - | 42/43 | - |
| I-84 (KD7) | Yokosuka Navy Yard | - | - | -44 | - |
| I-85 (KD7) | Yokosuka Navy Yard | - | - | -44 | - |