Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masahito Hirose | Fuji Oozx | 3 |
| 2 | Keizo Ikai | Nippon Oil | 2 |
5 patents · 2 inventors
Ranked #9,331 of 30,730 cities Top 35%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masahito Hirose | Fuji Oozx | 3 |
| 2 | Keizo Ikai | Nippon Oil | 2 |