Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7768875 | Underwater sounding apparatus capable of calculating fish quantity information about fish school and method of such calculation | Kohji Iida, Yasushi Nishimori | 2010-08-03 |
| 7327636 | Underwater sounding apparatus and method capable of calculating fish school information, volume of fish school and backscattering strength of single fish | Yasushi Nishimori, Shinji Ishihara | 2008-02-05 |