Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11028767 | Variable geometry turbocharger | Keigo SAKAMOTO, Yosuke Dammoto, Yoji Akiyama, Nariaki SEIKE, Toyotaka Yoshida +1 more | 2021-06-08 |
| 11015518 | Variable nozzle device and variable-geometry type exhaust turbocharger | Keigo SAKAMOTO, Shigeyoshi SAKUMA, Yosuke Dammoto, Yoji Akiyama, Nariaki SEIKE +1 more | 2021-05-25 |