Issued Patents All Time
Showing 1–25 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12343999 | Liquid ejection head and liquid ejection apparatus | Kazuhiro Yamada, Yoshiyuki Nakagawa, Toru Nakakubo, Takuro Yamazaki | 2025-07-01 |
| 12198978 | Method of manufacturing semiconductor device | Shouhei Kitajima | 2025-01-14 |
| 12064969 | Liquid ejection head and liquid ejection apparatus | Kazuhiro Yamada, Yoshiyuki Nakagawa, Toru Nakakubo, Takuro Yamazaki | 2024-08-20 |
| 11673396 | Liquid ejection head and liquid ejection apparatus | Kazuhiro Yamada, Yoshiyuki Nakagawa, Toru Nakakubo, Takuro Yamazaki | 2023-06-13 |
| 11607881 | Element substrate, liquid discharge head, and printing apparatus | Toshio Negishi, Nobuyuki Hirayama | 2023-03-21 |
| 11602934 | Liquid ejection head, liquid ejection apparatus, and liquid ejection method | Yoshiyuki Nakagawa, Kazuhiro Yamada, Takuro Yamazaki, Toru Nakakubo | 2023-03-14 |
| 11584122 | Element substrate, liquid discharge head, and printing apparatus | Yosuke Miura | 2023-02-21 |
| 11479037 | Liquid discharging head | Hideo Kanno, Nobuyuki Hirayama | 2022-10-25 |
| 11090937 | Liquid ejection head, liquid ejection apparatus, and liquid supply method | Yoshiyuki Nakagawa, Kazuhiro Yamada, Takuro Yamazaki, Toru Nakakubo | 2021-08-17 |
| 11065878 | Liquid ejection head and liquid ejection apparatus | Kazuhiro Yamada, Yoshiyuki Nakagawa, Toru Nakakubo, Takuro Yamazaki | 2021-07-20 |
| 11001071 | Liquid ejection head and method for manufacturing the same | Takashi Sugawara, Masafumi Morisue, Yoshiyuki Nakagawa, Kazuhiro Yamada, Takuro Yamazaki +1 more | 2021-05-11 |
| 10987922 | Printing apparatus and printhead substrate | Kengo Umeda, Takamitsu Tokuda | 2021-04-27 |
| 10974504 | Liquid ejection head and control method of liquid ejection head | Takuro Yamazaki, Yoshiyuki Nakagawa, Toru Nakakubo, Kazuhiro Yamada | 2021-04-13 |
| 10960666 | Element substrate, liquid discharge head, and printing apparatus | Kazuhiro Yamada, Takuro Yamazaki, Yoshiyuki Nakagawa, Toru Nakakubo | 2021-03-30 |
| 10933669 | Print element board, liquid ejection head, and liquid ejection apparatus | Satoshi Kimura, Shingo Okushima | 2021-03-02 |
| 10906310 | Liquid ejection head and method of manufacturing the same | Tomoko Kudo, Masafumi Morisue, Yoshiyuki Nakagawa, Takuro Yamazaki, Takashi Sugawara +1 more | 2021-02-02 |
| 10850505 | Printhead and printing apparatus | Kengo Umeda | 2020-12-01 |
| 10836168 | Liquid ejection head and method of manufacturing the same | Takashi Sugawara, Masafumi Morisue, Takuro Yamazaki, Yoshiyuki Nakagawa, Kazuhiro Yamada +1 more | 2020-11-17 |
| 10828893 | Liquid ejecting head | Masafumi Morisue, Yoshiyuki Nakagawa, Kazuhiro Yamada, Takuro Yamazaki, Tomoko Kudo +1 more | 2020-11-10 |
| 10814623 | Element substrate and liquid ejection head | Nobuyuki Hirayama, Masataka Sakurai, Kengo Umeda, Hidenori Yamato, Makoto Takagi +4 more | 2020-10-27 |
| 10717273 | Liquid ejection head and method for circulating liquid | Yoshiyuki Nakagawa, Kazuhiro Yamada, Noriyasu Nagai, Takuro Yamazaki, Toru Nakakubo +2 more | 2020-07-21 |
| 10703105 | Liquid ejection head and method for circulating liquid | Yoshiyuki Nakagawa, Kazuhiro Yamada, Noriyasu Nagai, Takuro Yamazaki, Toru Nakakubo +2 more | 2020-07-07 |
| 10703100 | Liquid ejection head and method of manufacturing the same | Masafumi Morisue, Yoshiyuki Nakagawa, Kazuhiro Yamada, Takuro Yamazaki, Tomoko Kudo +1 more | 2020-07-07 |
| 10668719 | Recording element substrate, liquid ejection head, and liquid ejection apparatus | Masataka Sakurai, Nobuyuki Hirayama, Kengo Umeda, Hidenori Yamato, Masanobu Ohmura +1 more | 2020-06-02 |
| 10639888 | Liquid ejection head | Masafumi Morisue, Yoshiyuki Nakagawa, Kazuhiro Yamada, Takuro Yamazaki, Tomoko Kudo +1 more | 2020-05-05 |