Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Junji Etoh | Nuclear Fuel Industries, Limited | 3 |
| 2 | Mitsuyuki Sagisaka | Nuclear Fuel Industries, Limited | 2 |
| 2 | Katsuya Yamada | Sumitomo Electric Industries | 2 |
| #4 | Akihiko Saguchi | Chuo Denki Kogyo Co. | 1 |