Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6863153 | Loudspeaker diaphragm | Junichi Hayakawa | 2005-03-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6863153 | Loudspeaker diaphragm | Junichi Hayakawa | 2005-03-08 |