Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10871775 | Control device for propelling system | Takashi Hashizume, Hiroshi Yamamoto | 2020-12-22 |
| 10699581 | Small boat navigation assist system | Ryuichi Kimata, Takashi Hashizume | 2020-06-30 |