Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5939818 | Piezoelectric transformer, its manufacturing method and its driving method | — | 1999-08-17 |
| 5736807 | Piezoelectric transformer suitable for generating a high voltage | Takeshi Inoue | 1998-04-07 |