Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D886740 | Impeller of waterwheel | Jun KUWAHARA, Yuichiro Oya | 2020-06-09 |
| D884634 | Impeller of waterwheel | Jun KUWAHARA, Yuichiro Oya | 2020-05-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D886740 | Impeller of waterwheel | Jun KUWAHARA, Yuichiro Oya | 2020-06-09 |
| D884634 | Impeller of waterwheel | Jun KUWAHARA, Yuichiro Oya | 2020-05-19 |