Patents per Year
Top Inventors at Kabushiki Kaisha Risuron All Time
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Minoru Yamanaka | 6 |
| 2 | Tetsuo Amawa | 2 |
| 3 | Tesuo Amawa | 1 |
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Minoru Yamanaka | 6 |
| 2 | Tetsuo Amawa | 2 |
| 3 | Tesuo Amawa | 1 |