Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6585815 | Ink set, ink-jet printing method using such ink set, recording unit, ink cartridge and ink-jet printing apparatus | Noribumi Koitabashi, Hitoshi Tsuboi | 2003-07-01 |
| 6557991 | Ink jet recording apparatus and printing method thereof | Noribumi Koitabashi, Hitoshi Tsuboi | 2003-05-06 |
| 6550882 | Ink jet printing apparatus | Noribumi Koitabashi, Tsutomu Kawai, Tadashi Matsumoto, Hitoshi Tsuboi, Haruhiko Koto | 2003-04-22 |
| 6540344 | Ink-jet ink, ink set, method for ink-jet printing, ink-jet printing apparatus, ink-jet printing unit and ink cartridge | Akio Kashiwazaki, Katsuhiro Shirota, Akihiro Mouri, Noribumi Koitabashi, Hitoshi Tsuboi | 2003-04-01 |