Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7909448 | Recording head, recording unit, ink jet recording apparatus, ink jet recording method, and ink set | Tetsu Iwata, Shinichi Hakamada, Takashi Imai | 2011-03-22 |
| 7883199 | Ink set, ink cartridge set, ink jet recording method, recording unit, and ink jet recording apparatus | Shinichi Hakamada, Tetsu Iwata, Takashi Imai | 2011-02-08 |