Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476710 | Electromagnetic sound generator | Shinichi Togawa, Masato Asahina | 2002-11-05 |
| 6400825 | Microspeaker | Kazumi Miyamoto, Takashi Kobayashi | 2002-06-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476710 | Electromagnetic sound generator | Shinichi Togawa, Masato Asahina | 2002-11-05 |
| 6400825 | Microspeaker | Kazumi Miyamoto, Takashi Kobayashi | 2002-06-04 |