Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tsuneyoshi Kamada | Mitsui Mining & Smelting Co. | 1 |
| 1 | Hideki Nishihama | Hitachi Maxell | 1 |
| 1 | Kiyoteru Enomoto | Mitsui Mining & Smelting Co. | 1 |
| 1 | Kazuhito Komatsu | Mitsui Mining & Smelting Co. | 1 |
| 1 | Shinya Kagei | Mitsui Mining & Smelting Co. | 1 |