Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masaei Tsurumaki | K.K. Endo Seisakusho | 3 |
| 2 | Youji Ito | K.K. Endo Seisakusho | 1 |
| 2 | Katsunari Utsugi | Twinbird | 1 |
5 patents · 3 inventors
Ranked #9,331 of 30,730 cities Top 35%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masaei Tsurumaki | K.K. Endo Seisakusho | 3 |
| 2 | Youji Ito | K.K. Endo Seisakusho | 1 |
| 2 | Katsunari Utsugi | Twinbird | 1 |