Top Inventors at Mitsui Ocean Development & Engineering Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Masamitsu Tatsuguchi | 2 |
| 2 | Hiroshi Hasebe | 1 |
| 3 | Hiroshi Hiramoto | 1 |
| #4 | Hiroya Oka | 1 |
| #5 | Hiromitsu Tateishi | 1 |
| #6 | Ikuo Muto | 1 |
| #7 | Josho Kawasaki | 1 |
| #8 | Masanori Kajiwara | 1 |
| #9 | Hiroto Muneta | 1 |