Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Naoyuki Takahashi | Hitachi | 5 |
| 2 | Kazuhisa Katsumata | Sankyo Seisakusho | 2 |
7 patents · 2 inventors
Ranked #11,349 of 44,143 cities Top 30%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Naoyuki Takahashi | Hitachi | 5 |
| 2 | Kazuhisa Katsumata | Sankyo Seisakusho | 2 |