Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769763 | Cylinder pump, an ink jet printing system using the cylinder pump and a photograph assembly having the printing system | Hirofumi Hirano, Yoshitaka Okamura, Keiji Takahashi | 2004-08-03 |
| 6755500 | 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, Hiroshi Netsu +4 more | 2004-06-29 |