Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12397551 | Liquid ejection head | Yoshiyuki Nakagawa, Takuro Yamazaki, Atsushi Teranishi | 2025-08-26 |
| 12397552 | Liquid ejection head | Takuro Yamazaki, Yoshiyuki Nakagawa, Atsushi Teranishi | 2025-08-26 |
| 12384150 | Liquid ejection head and liquid ejection apparatus | Yoshiyuki Nakagawa, Takuro Yamazaki, Atsushi Teranishi | 2025-08-12 |
| 12064975 | Liquid discharge head and liquid discharge method | Yoshiyuki Nakagawa, Shintaro Kasai, Shuzo Iwanaga, Koichi Ishida, Takatsugu Moriya | 2024-08-20 |
| 11970004 | Liquid discharge head | Tomohiro Sato, Shuzo Iwanaga, Takatsugu Moriya, Koichi Ishida, Shingo Okushima +2 more | 2024-04-30 |
| 11712891 | Liquid ejection head and liquid ejection apparatus | Yoshihiro Hamada, Keiji Tomizawa, Yoshiyuki Nakagawa, Shuzo Iwanaga | 2023-08-01 |
| 11667132 | Liquid discharge head and liquid discharge method | Yoshiyuki Nakagawa, Shintaro Kasai, Shuzo Iwanaga, 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, Shuzo Iwanaga, Yoshihiro Hamada | 2023-03-07 |
| 11433666 | Liquid ejection head, liquid ejection apparatus, and liquid ejection module | Yoshiyuki Nakagawa | 2022-09-06 |
| 11298954 | Liquid discharge head and liquid discharge method | Yoshiyuki Nakagawa, Shintaro Kasai, Shuzo Iwanaga, Koichi Ishida, Takatsugu Moriya | 2022-04-12 |
| 11260658 | Liquid ejection head, liquid ejection apparatus, and liquid ejection module | Yoshiyuki Nakagawa | 2022-03-01 |
| 11225075 | Liquid ejection head, liquid ejection module, and liquid ejection apparatus | Yoshiyuki Nakagawa | 2022-01-18 |
| 11214059 | Liquid ejection head, liquid ejection apparatus and liquid ejection module | Yoshiyuki Nakagawa, Shinji Kishikawa | 2022-01-04 |
| 11179935 | Liquid ejection head, liquid ejection module, and method of manufacturing liquid ejection head | Yoshiyuki Nakagawa, Shinji Kishikawa | 2021-11-23 |
| 11179948 | Liquid ejecting head and liquid ejecting apparatus | Yoshiyuki Nakagawa, Yasuhiko Osaki | 2021-11-23 |
| 11077658 | Liquid ejection head and method of manufacturing the same | Tomoki Ishiwata, Shuzo Iwanaga, Masaki Oikawa, Keiji Tomizawa, Tomohiro Sato +2 more | 2021-08-03 |
| 11014356 | Liquid ejection head, liquid ejection module, and liquid ejection apparatus | Yoshiyuki Nakagawa | 2021-05-25 |
| 11007773 | Liquid ejection head, liquid ejection module, and liquid ejection apparatus | Yoshiyuki Nakagawa | 2021-05-18 |
| 10974507 | Liquid ejection head, liquid ejection apparatus, and liquid ejection module | Yoshiyuki Nakagawa | 2021-04-13 |
| 10828906 | Liquid discharge head and liquid discharge method | Yoshiyuki Nakagawa, Shintaro Kasai, Shuzo Iwanaga, Koichi Ishida, Takatsugu Moriya | 2020-11-10 |
| 10744778 | Liquid ejection head | Shintaro Kasai, Yoshiyuki Nakagawa | 2020-08-18 |
| 10723127 | Liquid ejection head and recording apparatus | Koichi Ishida, Shuzo Iwanaga, Shintaro Kasai, Yoshiyuki Nakagawa, Takatsugu Moriya +4 more | 2020-07-28 |
| 10682863 | Liquid ejecting apparatus and control method | Takuro Yamazaki, Toru Nakakubo, Kazuhiro Yamada, Yoshiyuki Nakagawa | 2020-06-16 |
| 10603910 | Liquid discharge head and liquid discharge method | Yoshiyuki Nakagawa, Shintaro Kasai, Shinji Kishikawa, Takayuki Sekine, Shuzo Iwanaga +3 more | 2020-03-31 |
| 10576741 | Liquid ejection head and liquid ejection apparatus | Yoshiyuki Nakagawa | 2020-03-03 |