Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yutaka Hiratsu | Tateho Chemical Industries Co. | 2 |
| 1 | Tadasuke Kamei | Tateho Chemical Industries Co. | 2 |
| 3 | Tsugio Watanabe | Unknown | 1 |
| 3 | Hiroki Urashima | Canon | 1 |
6 patents · 4 inventors
Ranked #12,127 of 43,797 cities Top 30%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yutaka Hiratsu | Tateho Chemical Industries Co. | 2 |
| 1 | Tadasuke Kamei | Tateho Chemical Industries Co. | 2 |
| 3 | Tsugio Watanabe | Unknown | 1 |
| 3 | Hiroki Urashima | Canon | 1 |