Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10569852 | Ship propulsion unit | Tomohiro Yasui, Yushiro Isobe, Tatsuhisa Yokoi | 2020-02-25 |
| 10464650 | Marine engine propelling apparatuses | Masahiro Komoda, Yushiro Isobe | 2019-11-05 |