Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Katsumi Ogiue | Hitachi | 4 |
| 2 | Kunihiro Okada | Hitachi | 1 |
| 2 | Shigeru Yabuuchi | Hitachi | 1 |
6 patents · 3 inventors
Ranked #5,612 of 22,654 cities Top 25%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Katsumi Ogiue | Hitachi | 4 |
| 2 | Kunihiro Okada | Hitachi | 1 |
| 2 | Shigeru Yabuuchi | Hitachi | 1 |