Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6607266 | Liquid composition, ink for ink-jet, ink set for ink-jet recording, ink-jet recording method, recording unit, ink cartridge, and ink jet recording apparatus | Ryuji Katsuragi, Makoto Shioya | 2003-08-19 |
| 6514920 | Liquid composition, method of cleaning ink-jet recording head, ink-jet recording apparatus, cartridge, and method of regenerating ink-jet recording head | Ryuji Katsuragi, Makoto Shioya, Masataka Eida | 2003-02-04 |