Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D647078 | Diaphragm for a speaker | Kiyofumi Mori | 2011-10-18 |
| 7929725 | Acoustic apparatus and telephone conversation apparatus | Tomohiro Sugiura | 2011-04-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D647078 | Diaphragm for a speaker | Kiyofumi Mori | 2011-10-18 |
| 7929725 | Acoustic apparatus and telephone conversation apparatus | Tomohiro Sugiura | 2011-04-19 |