Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D497000 | Hearing aid | Yoshiyuki Narisawa | 2004-10-05 |
| D497001 | Hearing aid | Yoshiyuki Narisawa | 2004-10-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D497000 | Hearing aid | Yoshiyuki Narisawa | 2004-10-05 |
| D497001 | Hearing aid | Yoshiyuki Narisawa | 2004-10-05 |