Top Inventors at Kabushiki Kaisha Hanzawa All Time
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Yoshio Suimon | 4 |
| 2 | Tsuneo Hanzawa | 3 |
| 3 | Rikihachiro Koizumi | 1 |
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Yoshio Suimon | 4 |
| 2 | Tsuneo Hanzawa | 3 |
| 3 | Rikihachiro Koizumi | 1 |