Top Inventors at Sanko Kogyo Co. All Time
Showing 1–10 of 10 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Kenjiro Hongo | 3 |
| 2 | Naoya Miyashita | 2 |
| 2 | Tomio Miyashita | 2 |
| #4 | Hisanori Takahashi | 1 |
| #4 | Ikuo Chiba | 1 |
| #4 | Kanichi Tsuchiya | 1 |
| #4 | Masatake Chiba | 1 |
| #4 | Shiro Saito | 1 |
| #4 | Toshihiro Watanabe | 1 |
| #4 | Akira Maeda | 1 |