Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ryoji Ohgake | Nippon Oil | 2 |
| 2 | Yoshifumi Ota | Nihon Shinku Gijutsu | 1 |
3 patents · 2 inventors
Ranked #8,571 of 22,654 cities Top 40%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ryoji Ohgake | Nippon Oil | 2 |
| 2 | Yoshifumi Ota | Nihon Shinku Gijutsu | 1 |