Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6513891 | Print liquid tank and printing apparatus having the same | — | 2003-02-04 |
| 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, Hideto Yokoi | 2003-02-04 |