Top Inventors at East Japan Railway 1994
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Kazumi Matsui | 1 |
| 1 | Kouichi Matsuoka | 1 |
| 1 | Shigeru Nakagawa | 1 |
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Kazumi Matsui | 1 |
| 1 | Kouichi Matsuoka | 1 |
| 1 | Shigeru Nakagawa | 1 |