Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6854464 | Respiration protecting apparatus | Nobutaka Takami | 2005-02-15 |
| 5906033 | Length adjusting device for fastening straps of a mask | — | 1999-05-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6854464 | Respiration protecting apparatus | Nobutaka Takami | 2005-02-15 |
| 5906033 | Length adjusting device for fastening straps of a mask | — | 1999-05-25 |