Issued Patents All Time
Showing 1–25 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12296584 | Liquid ejection head and liquid ejection apparatus | Koichi Ishida | 2025-05-13 |
| 12064975 | Liquid discharge head and liquid discharge method | Yoshiyuki Nakagawa, Shintaro Kasai, Akiko Hammura, Koichi Ishida, Takatsugu Moriya | 2024-08-20 |
| 12023924 | Liquid ejection apparatus and control method | Keiji Tomizawa, Yoshinori Misumi, Yuzuru Ishida | 2024-07-02 |
| 11970004 | Liquid discharge head | Tomohiro Sato, Takatsugu Moriya, Koichi Ishida, Shingo Okushima, Shintaro Kasai +2 more | 2024-04-30 |
| 11712891 | Liquid ejection head and liquid ejection apparatus | Yoshihiro Hamada, Keiji Tomizawa, Yoshiyuki Nakagawa, Akiko Hammura | 2023-08-01 |
| 11667132 | Liquid discharge head and liquid discharge method | Yoshiyuki Nakagawa, Shintaro Kasai, Akiko Hammura, Koichi Ishida, Takatsugu Moriya | 2023-06-06 |
| 11597203 | Liquid ejection head including a plurality of recording element substrates formed adjacent to each other to form an array such that a gap in temperature distribution is prevented | Keiji Tomizawa, Akiko Hammura, Yoshihiro Hamada | 2023-03-07 |
| 11298954 | Liquid discharge head and liquid discharge method | Yoshiyuki Nakagawa, Shintaro Kasai, Akiko Hammura, Koichi Ishida, Takatsugu Moriya | 2022-04-12 |
| 11077658 | Liquid ejection head and method of manufacturing the same | Tomoki Ishiwata, Masaki Oikawa, Keiji Tomizawa, Tomohiro Sato, Akiko Hammura +2 more | 2021-08-03 |
| 10828906 | Liquid discharge head and liquid discharge method | Yoshiyuki Nakagawa, Shintaro Kasai, Akiko Hammura, Koichi Ishida, Takatsugu Moriya | 2020-11-10 |
| 10730291 | Liquid ejection head and recording apparatus | Masakazu Kobayashi, Koichi Ishida | 2020-08-04 |
| 10723127 | Liquid ejection head and recording apparatus | Koichi Ishida, Shintaro Kasai, Yoshiyuki Nakagawa, Akiko Hammura, Takatsugu Moriya +4 more | 2020-07-28 |
| 10603910 | Liquid discharge head and liquid discharge method | Yoshiyuki Nakagawa, Shintaro Kasai, Akiko Hammura, Shinji Kishikawa, Takayuki Sekine +3 more | 2020-03-31 |
| 10518548 | Liquid ejection head, liquid ejection apparatus and method of manufacturing liquid ejection head | Kazuhiro Yamada, Seiichiro Karita, Shingo Okushima, Zentaro Tamenaga, Noriyasu Nagai +6 more | 2019-12-31 |
| 10507654 | Print element substrate and liquid ejection head | Shintaro Kasai, Yoshiyuki Nakagawa, Akiko Saito, Takatsugu Moriya, Koichi Ishida +3 more | 2019-12-17 |
| 10486421 | Liquid discharging head and liquid discharging device | Takatsugu Moriya, Shintaro Kasai, Yoshiyuki Nakagawa, Akiko Hammura, Tatsuya Yamada +4 more | 2019-11-26 |
| 10479087 | Liquid ejection head, liquid ejection apparatus, and liquid ejection head manufacture method | Zentaro Tamenaga, Shingo Okushima | 2019-11-19 |
| 10471711 | Printing apparatus, printing method, and medium | Seiichiro Karita, Kazuhiro Yamada, Takatsuna Aoki, Shingo Okushima, Zentaro Tamenaga +5 more | 2019-11-12 |
| 10421276 | Printing element substrate and liquid ejection head | Akiko Saito, Shintaro Kasai, Yoshiyuki Nakagawa, Takatsugu Moriya, Koichi Ishida +4 more | 2019-09-24 |
| 10350885 | Liquid discharge device and liquid discharge head | Takatsuna Aoki, Seiichiro Karita, Kazuhiro Yamada, Shingo Okushima, Zentaro Tamenaga +5 more | 2019-07-16 |
| 10336091 | Liquid discharge head and liquid discharge method | Yoshiyuki Nakagawa, Shintaro Kasai, Akiko Saito, Koichi Ishida, Takatsugu Moriya | 2019-07-02 |
| 10293607 | Recording element board and liquid discharge head | Takatsugu Moriya, Shintaro Kasai, Yoshiyuki Nakagawa, Akiko Saito, Koichi Ishida +3 more | 2019-05-21 |
| 10293604 | Liquid ejection head, liquid ejection apparatus, and temperature control method for liquid ejection head | Takatsuna Aoki, Seiichiro Karita, Kazuhiro Yamada, Shingo Okushima, Zentaro Tamenaga +7 more | 2019-05-21 |
| 10201972 | Recording element substrate and liquid ejection head | Akiko Saito, Shintaro Kasai, Yoshiyuki Nakagawa, Takatsugu Moriya, Koichi Ishida +3 more | 2019-02-12 |
| 10201980 | Liquid discharge head, liquid discharge apparatus, and liquid discharge method | Takatsuna Aoki, Seiichiro Karita, Shingo Okushima, Eisuke Nishitani, Yumi Komamiya +6 more | 2019-02-12 |