Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6382134 | Fish rearing system | Daniel Gruenberg, Shinichiroh Kawaguchi, Akio Minami | 2002-05-07 |
| 4615301 | Fish breeding apparatus | Takashi Maekawa, Hiroshi Sasaki | 1986-10-07 |
| 4610219 | Floating frame member for use in a fish breeding apparatus | — | 1986-09-09 |
| 4244323 | Apparatus for floating and sinking fish breeding netted tanks | — | 1981-01-13 |