Top Inventors at Arai All Time
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Koichi Arai | 4 |
| 2 | Kazuo Sato | 3 |
| 3 | Koichi Aria | 1 |
| 3 | Mitsuyoshi Kato | 1 |
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Koichi Arai | 4 |
| 2 | Kazuo Sato | 3 |
| 3 | Koichi Aria | 1 |
| 3 | Mitsuyoshi Kato | 1 |