Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6580340 | Ladder-type piezoelectric filter using resonators with nodal cuts and made from materials with equal frequency constants | Takashi Shimura | 2003-06-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6580340 | Ladder-type piezoelectric filter using resonators with nodal cuts and made from materials with equal frequency constants | Takashi Shimura | 2003-06-17 |