Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637872 | Ink tank, ink jet recording head, ink jet cartridge, and ink jet recording apparatus | Yohji Ara, Hiroyuki Inoue, Hideo Fukazawa, Tetsuji Kurata, Hirofumi Hirano +4 more | 2003-10-28 |
| 6629758 | Joint device, ink jet recording apparatus having the same, and ink supplying device and method | Hideaki Okamoto, Yohji Ara, Hiroyuki Inoue, Hideo Fukazawa, Tetsuji Kurata +4 more | 2003-10-07 |
| 6540321 | Ink tank, ink-jet cartridge, ink-supplying apparatus, ink-jet printing apparatus and method for supplying ink | Hirofumi Hirano, Yohji Ara, Hiroyuki Inoue, Hideo Fukazawa, Tetsuji Kurata +4 more | 2003-04-01 |