Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7980355 | Acoustic diaphragm, and method of fabricating acoustic diaphragm | Kunihiko Tokura, Masaru Uryu | 2011-07-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7980355 | Acoustic diaphragm, and method of fabricating acoustic diaphragm | Kunihiko Tokura, Masaru Uryu | 2011-07-19 |