Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11186088 | Liquid ejection head and liquid ejection apparatus | Shingo Okushima, Seiichiro Karita, Takatsuna Aoki, Noriyasu Nagai, Eisuke Nishitani | 2021-11-30 |
| 11027546 | Liquid discharge head and recording apparatus | Satoshi Kimura, Shingo Okushima | 2021-06-08 |