Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827083 | Snorkel | Haruo Kawashima, Katsuyuki Hori | 2004-12-07 |
| 6698033 | Face mask for diving | — | 2004-03-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827083 | Snorkel | Haruo Kawashima, Katsuyuki Hori | 2004-12-07 |
| 6698033 | Face mask for diving | — | 2004-03-02 |