Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8005424 | Communication device and communication method of underwater vehicle | Hiroshi Yoshida, Katsuki Fujimoto, Osamu Numamoto | 2011-08-23 |
| 7692328 | Power unit of underwater vehicle | Hiroshi Yoshida, Fumihiko Endo, Takayoshi Watanabe, Katsuki Fujimoto, Osamu Numamoto | 2010-04-06 |
| 5198662 | Water temperature distribution measurement system employing optical cable and means for determining a water depth at various points along the optical cable | Masayoshi Yamaguchi, Tetsuji ITO, Mutsuo Hattori | 1993-03-30 |