Top Inventors at Doppel Co. All Time
Showing 1–5 of 5 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Mieko Sakai | 10 |
| 2 | Kenichiro Saito | 4 |
| 3 | Tsuyoshi Sakai | 2 |
| #4 | Sumiyo Yamanashi | 1 |
| #4 | Yukihiko Inoue | 1 |
Showing 1–5 of 5 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Mieko Sakai | 10 |
| 2 | Kenichiro Saito | 4 |
| 3 | Tsuyoshi Sakai | 2 |
| #4 | Sumiyo Yamanashi | 1 |
| #4 | Yukihiko Inoue | 1 |