Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yasuo Etou | Hitachi Koki Co. | 4 |
| 2 | Jumpei Takahashi | Jgc | 1 |
| 2 | Chizu Inaki | Jgc | 1 |
| 2 | Kazunori Honda | Jgc | 1 |
7 patents · 4 inventors
Ranked #10,954 of 40,593 cities Top 30%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yasuo Etou | Hitachi Koki Co. | 4 |
| 2 | Jumpei Takahashi | Jgc | 1 |
| 2 | Chizu Inaki | Jgc | 1 |
| 2 | Kazunori Honda | Jgc | 1 |