Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Toshikazu Matsuyama | Komatsu | 3 |
| 2 | Hitohiko Ide | Mitsui Mining & Smelting Co. | 1 |
| 2 | Tetsuya Mitsumoto | Mitsui Mining & Smelting Co. | 1 |
5 patents · 3 inventors
Ranked #14,755 of 44,107 cities Top 35%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Toshikazu Matsuyama | Komatsu | 3 |
| 2 | Hitohiko Ide | Mitsui Mining & Smelting Co. | 1 |
| 2 | Tetsuya Mitsumoto | Mitsui Mining & Smelting Co. | 1 |