Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9816479 | Underwater device | Norihisa Handa, Yoshiyuki Yamane | 2017-11-14 |
| 9726773 | Subaqueous underground survey system and subaqueous underground survey method | Hitoshi Mikada, Hiroaki OZASA, Fumio Sato, Akio Yamanishi | 2017-08-08 |