Top Inventors at Kabushiki Kaisha Challenge Five All Time
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Kenji Shibahara | 5 |
| 2 | Yutaka Shibahara | 2 |
| 3 | Norio Houchin | 1 |
| 3 | Norio Hochin | 1 |
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Kenji Shibahara | 5 |
| 2 | Yutaka Shibahara | 2 |
| 3 | Norio Houchin | 1 |
| 3 | Norio Hochin | 1 |