Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tetsuo Watanabe | Ricoh Company | 3 |
| 2 | Shin Tsuda | Canon | 2 |
| 3 | Tetsuo Sekiguchi | Pentax | 1 |
| 3 | Nobuo Matui | Fuji Photo Optical Co. | 1 |
| 3 | Shigeo Sumi | Somar | 1 |
8 patents · 5 inventors
Ranked #2,710 of 15,417 cities Top 20%
Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tetsuo Watanabe | Ricoh Company | 3 |
| 2 | Shin Tsuda | Canon | 2 |
| 3 | Tetsuo Sekiguchi | Pentax | 1 |
| 3 | Nobuo Matui | Fuji Photo Optical Co. | 1 |
| 3 | Shigeo Sumi | Somar | 1 |