Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Akio Ando | Toshiba | 3 |
| 2 | Keiichi Katayama | Mitsubishi Mining | 2 |
5 patents · 2 inventors
Ranked #3,857 of 15,417 cities Top 30%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Akio Ando | Toshiba | 3 |
| 2 | Keiichi Katayama | Mitsubishi Mining | 2 |