Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11458732 | Liquid ejection head and manufacturing method of liquid ejection head | Sayaka Seki, Kyosuke Toda, Ryo Sato, Keiichiro Tsukuda, Kazuhiko Okito +2 more | 2022-10-04 |
| 11433677 | Liquid storage device and liquid filling method | Atsushi Omura, Hiroki Tajima, Keiichiro Tsukuda, Kenji Yabe, Yuji Tamaru +5 more | 2022-09-06 |