Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Toshikazu Matsuyama | Komatsu | 2 |
| 2 | Toshitaka Goto | Atom | 1 |
| 2 | Hirofumi Asano | Mitsui Mining & Smelting Co. | 1 |
| 2 | Keisuke Miyanohara | Mitsui Mining & Smelting Co. | 1 |
5 patents · 4 inventors
Ranked #14,058 of 42,968 cities Top 35%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Toshikazu Matsuyama | Komatsu | 2 |
| 2 | Toshitaka Goto | Atom | 1 |
| 2 | Hirofumi Asano | Mitsui Mining & Smelting Co. | 1 |
| 2 | Keisuke Miyanohara | Mitsui Mining & Smelting Co. | 1 |