Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |