Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kazuhiro Sugiyama | Mitsubishi Electric | 5 |
| 2 | Kouiti Kanematsu | Kayaba Kogyo | 1 |
| 2 | Kaichi Fujiyoshi | — | 1 |
| 2 | Kiyoshi Ido | Feather Safety Razor Co. | 1 |
8 patents · 4 inventors
Ranked #6,847 of 30,146 cities Top 25%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kazuhiro Sugiyama | Mitsubishi Electric | 5 |
| 2 | Kouiti Kanematsu | Kayaba Kogyo | 1 |
| 2 | Kaichi Fujiyoshi | — | 1 |
| 2 | Kiyoshi Ido | Feather Safety Razor Co. | 1 |