Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10315741 | Underwater propulsion apparatus and underwater exploration apparatus | Hayato Kondo | 2019-06-11 |
| 5602338 | Differential pressure detecting apparatus | Mitsuru Tamai, Etsuro Ito, Seiji Suzuki | 1997-02-11 |