Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161344 | Method for manufacturing substrate and liquid ejection head substrate | Manabu Otsuka | 2021-11-02 |
| 11155093 | Method of producing structure, protective substrate, and method of producing protective substrate | Manabu Otsuka, Tamaki Sato, Yasuaki Tominaga | 2021-10-26 |
| 10894409 | Method of manufacturing a liquid ejection head | Jun Yamamuro, Kazuhiro Asai, Keiji Matsumoto, Kunihito Uohashi, Keiji Watanabe +3 more | 2021-01-19 |