Top Inventors at Kumagai Gumi Co. 1989
Showing 1–6 of 6 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Shigekazu Horiya | 2 |
| 1 | Takayoshi Yokota | 2 |
| 3 | Kenji Kita | 1 |
| 3 | Kozo Katayama | 1 |
| 3 | Sadao Uno | 1 |
| 3 | Daijiro Tanabe | 1 |
Showing 1–6 of 6 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Shigekazu Horiya | 2 |
| 1 | Takayoshi Yokota | 2 |
| 3 | Kenji Kita | 1 |
| 3 | Kozo Katayama | 1 |
| 3 | Sadao Uno | 1 |
| 3 | Daijiro Tanabe | 1 |