Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Shigenori Kaneko | Hitachi | 3 |
| 2 | Matsuharu Abo | Hitachi | 2 |
| 2 | Hitoshi Hayashida | Japan Nuclear Cycle Development Institute | 2 |
| 2 | Yasuo Etou | Hitachi Koki Co. | 2 |
| #5 | Atsushi Koshizaka | Hitachi | 1 |
| #5 | Toshikatsu Akiyama | Hitachi | 1 |
| #5 | Tomoyoshi Okamura | Hitachi | 1 |