Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Tetsuji Kurata +4 more | 2004-06-29 |
| 6706104 | Ink set, ink jet recording method, recording unit, ink cartridge, ink jet recording apparatus, bleed-alleviating method, and method for improving fixability of black image | Hiroyuki Takuhara, Yoshihisa Takizawa, Kumiko Mafune, Hisashi Teraoka, Yoichi Takada +2 more | 2004-03-16 |
| 6688730 | Ink jet recording system and method of preserving recording head | Hiroyuki Kigami, Teruo Ozaki, Hiroki Tajima | 2004-02-10 |