Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6219433 | Wax, copper foil flexible wire with wax and speakers using this flexible wire | Kazuro Okuzawa | 2001-04-17 |
| 6115479 | Wax, copper foil flexible wire with wax and speakers using this flexible wire | Kazuro Okuzawa | 2000-09-05 |