Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Satoru Sawada | Canon | 5 |
| 2 | Shoichi Saito | Olympus Optical Co. | 2 |
| 3 | Hiroaki Koyama | Mitsubishi Pencil Company, Limited | 1 |
| 3 | Natsuo Itokawa | — | 1 |
9 patents · 4 inventors
Ranked #2,460 of 15,417 cities Top 20%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Satoru Sawada | Canon | 5 |
| 2 | Shoichi Saito | Olympus Optical Co. | 2 |
| 3 | Hiroaki Koyama | Mitsubishi Pencil Company, Limited | 1 |
| 3 | Natsuo Itokawa | — | 1 |