Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803763 | Method of making a laminated piezoelectric transducer | Yasuda Eturo, Yoshida Hiroyuki, Kotanshi Yoichi, Sawada Yasushi | 1989-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803763 | Method of making a laminated piezoelectric transducer | Yasuda Eturo, Yoshida Hiroyuki, Kotanshi Yoichi, Sawada Yasushi | 1989-02-14 |