Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8814347 | Inkjet recording device | Toyoaki Sugaya, Mitsuru Obata, Takashi Muramatsu, Masakazu Date, Akio Maeda | 2014-08-26 |
| 6634744 | Ink-jet printer | Nobuya Yamamoto, Kenji Negishi, Takayuki Katoh, Hiroyuki Honda | 2003-10-21 |