Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10632754 | Perforated substrate processing method and liquid ejection head manufacturing method | Tadanobu Nagami | 2020-04-28 |
| 10538090 | Method for manufacturing perforated substrate, method for manufacturing liquid ejection head, and method for detecting flaw | Seiichiro Yaginuma, Masataka Nagai | 2020-01-21 |