Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6592417 | Diving jacket | Minoru Takeuchi, Kenji Kawana | 2003-07-15 |
| 6579138 | Buoyancy regulator for diving | Kenji Kawana | 2003-06-17 |
| 6568972 | Swim fins | Kenji Kawana | 2003-05-27 |
| 6550110 | Strap clamping blocks for swimming goggles | Shunji Fukasawa | 2003-04-22 |
| 6546601 | Buckle for a pair of swimming goggles | — | 2003-04-15 |
| 6503114 | Diving jacket | Minoru Takeuchi, Kenji Kawana | 2003-01-07 |