| Rear admiral (Apothecary) | Isono, Shuhei |
| Rear admiral (Apothecary) | Nabeshima, Toyota |
| Rear admiral (Apothecary) | Sakamoto, Sataro |
| Rear admiral (Apothecary) | Tamamushi, Yuzo |
| Rear admiral (Apothecary) | Tomaru, Toshio |
| Rear admirals (Apothecary) | Ichijo, Shoichi | Murata, Suguru |
| Rear admiral (Apothecary) | Shimizu, Tatsuta |