Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827083 | Snorkel | Katsuyuki Hori, Taro Fujima | 2004-12-07 |
| 6766540 | Face mask | — | 2004-07-27 |
| 6749370 | Buoyancy compensating jacket | Seishiro Urabe, Minoru Takeuchi, Kenji Kawana | 2004-06-15 |
| 6721963 | Swimming goggle | — | 2004-04-20 |