Top Inventors at Kabushiki Kaisha Sigel All Time
Showing 1–6 of 6 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Motoyasu Nakanishi | 5 |
| 2 | Hiroshi Chiba | 2 |
| 2 | Shigeru Koshibe | 2 |
| 2 | Suguru Ishikawa | 2 |
| 2 | Tetsuo Miyamura | 2 |
| #6 | Masaaki Amano | 1 |
Showing 1–6 of 6 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Motoyasu Nakanishi | 5 |
| 2 | Hiroshi Chiba | 2 |
| 2 | Shigeru Koshibe | 2 |
| 2 | Suguru Ishikawa | 2 |
| 2 | Tetsuo Miyamura | 2 |
| #6 | Masaaki Amano | 1 |