Top Inventors at West Nippon Expressway Company Limited All Time
Showing 1–7 of 7 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Kenichi Yamada | 5 |
| 1 | Masanobu Sugimoto | 5 |
| 3 | Masanobu Irie | 3 |
| #4 | Keisuke Fujikawa | 1 |
| #4 | Toshihiro Hara | 1 |
| #4 | Yasuo Murayama | 1 |
| #4 | Yasutoshi Yamada | 1 |