Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698876 | Aqueous fluorescent ink, recording unit, ink cartridge, ink jet recording apparatus, and ink jet recording method | Shinichi Sato, Shoji Koike, Shinichi Hakamada | 2004-03-02 |