Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10622540 | Piezoelectric functional film, actuator, and ink-jet head | Takakiyo Harigai | 2020-04-14 |
| 10615330 | Piezoelectric element, actuator, and liquid droplet ejection head | — | 2020-04-07 |