Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835239 | Fluorescent ink, and ink cartridge, recording unit, ink-jet recording method, and ink-jet recording apparatus employing the fluorescent ink | Shoji Koike, Akira Nagashima | 2004-12-28 |
| 6723137 | Printing process, print obtained by the process and processed article | Shoji Koike, Koromo Shirota | 2004-04-20 |
| 6698876 | Aqueous fluorescent ink, recording unit, ink cartridge, ink jet recording apparatus, and ink jet recording method | Shinichi Sato, Shoji Koike, Hideki Takayama | 2004-03-02 |
| 6676254 | Recording method, ink cartridge, printing device and information recording apparatus | Akira Nagashima, Shoji Koike | 2004-01-13 |
| 6676734 | Ink, ink-jet recording process, recorded article, recording unit, ink cartridge, ink-jet recording apparatus, fluorescence enhancing method and method of elongating life time of fluorescence | Akira Nagashima | 2004-01-13 |