Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10608165 | Piezoelectric element and liquid ejecting head | Tomohiro Sakai, Koichi Morozumi, Kazuya Kitada, Koji Sumi | 2020-03-31 |
| 10580958 | Piezoelectric element and liquid ejection head | Koji Sumi, Toshiaki Takahashi, Koichi Morozumi | 2020-03-03 |