Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Seiichi Kitamura | Mitsui Engineering & Shipbuilding Co. | 2 |
| 2 | Kousuke Matsumaru | Mitsui Engineering & Shipbuilding Co. | 1 |
| 2 | Toshinori Shirai | Mitsui Engineering & Shipbuilding Co. | 1 |
| 2 | Nobuyuki Sakairi | Mitsui Engineering & Shipbuilding Co. | 1 |