Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6783223 | Water base ink for ink-jet recording and ink-jet recording apparatus provided with the same | Mayuko Okada, Narumi Koga, Kazuma Goto, Hideto Yamazaki, Kazuo Kobayashi +6 more | 2004-08-31 |
| 6709095 | Water base pigment ink for ink-jet recording and recording apparatus | Hideto Yamazaki, Masashi Tsuda | 2004-03-23 |