Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11712891 | Liquid ejection head and liquid ejection apparatus | Yoshihiro Hamada, Yoshiyuki Nakagawa, Akiko Hammura, Shuzo Iwanaga | 2023-08-01 |
| 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 | Shuzo Iwanaga, Akiko Hammura, Yoshihiro Hamada | 2023-03-07 |