Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12138928 | Method for manufacturing liquid ejection head substrate and method for manufacturing liquid ejection head | Seiko Minami, Takaaki Yamaguchi, Nobuyuki Hirayama, Kyohei Kubota, Yu Nishimura | 2024-11-12 |
| 11141975 | Multilayer structured element substrate, printhead, and printing apparatus | Masataka Sakurai | 2021-10-12 |
| 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 |
| 10427400 | Printhead and printing apparatus | Hideo Kanno, Masataka Sakurai, Ryo Kasai, Kengo Umeda | 2019-10-01 |
| 10391764 | Element substrate, printhead, and printing apparatus | — | 2019-08-27 |
| 10189250 | Printhead, element substrate, and printing apparatus | — | 2019-01-29 |
| 10105949 | Recording element substrate, liquid ejection head, and liquid ejection apparatus | Masataka Sakurai, Nobuyuki Hirayama, Ryo Kasai, Kengo Umeda, Masanobu Ohmura +1 more | 2018-10-23 |
| 10035346 | Element substrate and liquid ejection head | Ryo Kasai, Nobuyuki Hirayama, Masataka Sakurai, Kengo Umeda, Makoto Takagi +4 more | 2018-07-31 |
| 9604453 | Element substrate, liquid discharge head, and printing apparatus | — | 2017-03-28 |
| 9102146 | Printhead substrate, printhead, and printing apparatus | Nobuyuki Hirayama | 2015-08-11 |
| 8864276 | Printhead and printing apparatus utilizing data signal transfer error detection | Tatsuo Furukawa, Nobuyuki Hirayama, Ryo Kasai, Kimiyuki Hayasaki, Shinji Takagi | 2014-10-21 |