Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6592417 | Diving jacket | Haruo Kawashima, Minoru Takeuchi | 2003-07-15 |
| 6582157 | Diving jacket | Minoru Takeuchi, Masaji Fujiwara | 2003-06-24 |
| 6579138 | Buoyancy regulator for diving | Haruo Kawashima | 2003-06-17 |
| 6568972 | Swim fins | Haruo Kawashima | 2003-05-27 |
| 6503114 | Diving jacket | Haruo Kawashima, Minoru Takeuchi | 2003-01-07 |