Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kanjiro Ishizaki | Chichibu Cement Co. | 2 |
| 1 | Fumio Shimada | Canon | 2 |
4 patents · 2 inventors
Ranked #6,634 of 20,767 cities Top 35%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kanjiro Ishizaki | Chichibu Cement Co. | 2 |
| 1 | Fumio Shimada | Canon | 2 |