Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845399 | Laminated piezoelectric transducer | Eturo Yasuda, Hiroshi Matsuoka, Hiroyuki Yoshida, Yasushi Sawada | 1989-07-04 |
| 4478067 | Gas composition sensor | Minoru Ohta, Eturo Yasuda, Tomio Kawakami | 1984-10-23 |