Top Inventors at Sophia Co. All Time
Showing 1–10 of 10 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Sanji Arisawa | 4 |
| 1 | Sadao Ioki | 4 |
| 1 | Seijiro Tomita | 4 |
| #4 | Yukio Fujimoto | 2 |
| #5 | Hodaka Ikeda | 1 |
| #5 | Keisuke Fukushi | 1 |
| #5 | Kenichi Ito | 1 |
| #5 | Mutsumi Fujihara | 1 |
| #5 | Naoko Akita | 1 |
| #5 | Tsutomu Sato | 1 |