Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476710 | Electromagnetic sound generator | Shinichi Togawa, Yoshizumi Ohta | 2002-11-05 |
| 6433674 | Electromagnetic sound generator | Atsushi Kuwabara | 2002-08-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476710 | Electromagnetic sound generator | Shinichi Togawa, Yoshizumi Ohta | 2002-11-05 |
| 6433674 | Electromagnetic sound generator | Atsushi Kuwabara | 2002-08-13 |