Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6744895 | Loudspeaker | Kazumi Miyamoto | 2004-06-01 |
| 6711274 | Compound speaker for a portable communication device | Masato Asahina | 2004-03-23 |
| D487455 | Telephone receiver with a speaker | Masato Asahina | 2004-03-09 |
| D487083 | Telephone receiver with a speaker | Masato Asahina | 2004-02-24 |