Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12342908 | Fastening device for air cylinder | Yuji Kuroda, Samu Mochizuki | 2025-07-01 |
| 7328699 | Diving mask | Haruo Kawashima | 2008-02-12 |
| 7143454 | Swimming goggles | Haruo Kawashima | 2006-12-05 |
| 6827083 | Snorkel | Haruo Kawashima, Katsuyuki Hori | 2004-12-07 |
| 6698033 | Face mask for diving | — | 2004-03-02 |
| 6381761 | Face mask for diving | Haruo Kawashima | 2002-05-07 |
| 6350030 | Face mask for diver | — | 2002-02-26 |
| 6092895 | Lens frame assembly for a diving mask | Hiromasa Sato | 2000-07-25 |
| 5642529 | Diving face mask | — | 1997-07-01 |
| 5638552 | Diving face mask | — | 1997-06-17 |
| 5280785 | Diving snorkel | — | 1994-01-25 |