Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10449761 | Liquid ejection device and inkjet printer including the same | Kenji Kazaoka | 2019-10-22 |
| 10350882 | Liquid ejection device and inkjet recording including the same | Takashi Makinose, Kenji Kawagoe | 2019-07-16 |
| 10214010 | Liquid discharge device and inkjet printer including the same | Kenji Kazaoka | 2019-02-26 |
| 9956769 | Liquid injection device and inkjet printer including the same | Takashi Makinose, Kenji Kawagoe | 2018-05-01 |
| 9902149 | Liquid injection device and inkjet recording device including the same | — | 2018-02-27 |
| 9738067 | Liquid injection device and inkjet recording device including the same | Takashi Makinose, Kenji Kawagoe | 2017-08-22 |