Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682436 | Multipoint driving loudspeaker having repulsion magnetic-type driving unit | Yoshio Sakamoto | 1997-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682436 | Multipoint driving loudspeaker having repulsion magnetic-type driving unit | Yoshio Sakamoto | 1997-10-28 |