Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11065874 | Method of manufacturing a liquid ejection head | Naoko Shimizu, Mikiya Umeyama | 2021-07-20 |
| 11020887 | Resin molding method | Satoshi Oikawa, Mikiya Umeyama, Hiromasa Amma, Takuya Iwano, Satoshi Kimura +3 more | 2021-06-01 |
| 11014361 | Manufacturing method of liquid supply component | Yasuaki Kitayama, Kyosuke Toda, Keiichiro Tsukuda, Kazuhiko Okito | 2021-05-25 |
| 10926441 | Liquid supply member and manufacturing method of liquid supply member | Naoko Tsujiuchi, Mikiya Umeyama, Satoshi Oikawa, Hiromasa Amma, Takuya Iwano +3 more | 2021-02-23 |
| 10906221 | Manufacturing method of liquid supply member | Naoko Tsujiuchi, Mikiya Umeyama, Satoshi Oikawa, Hiromasa Amma, Takuya Iwano +3 more | 2021-02-02 |