Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6763120 | Speaker | Shigeru Sugiyama, Yoshio Imahori | 2004-07-13 |
| 6675930 | Speaker holder | Shigeru Sugiyama, Yoshio Imahori | 2004-01-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6763120 | Speaker | Shigeru Sugiyama, Yoshio Imahori | 2004-07-13 |
| 6675930 | Speaker holder | Shigeru Sugiyama, Yoshio Imahori | 2004-01-13 |