Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10814623 | Element substrate and liquid ejection head | Ryo Kasai, Nobuyuki Hirayama, Masataka Sakurai, Kengo Umeda, Makoto Takagi +4 more | 2020-10-27 |
| 10668719 | Recording element substrate, liquid ejection head, and liquid ejection apparatus | Masataka Sakurai, Nobuyuki Hirayama, Ryo Kasai, Kengo Umeda, Masanobu Ohmura +1 more | 2020-06-02 |
| 10532565 | Print element substrate, printhead, and printing apparatus | Yohei Osuki, Masataka Sakurai, Ryo Kasai, Kengo Umeda | 2020-01-14 |