Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824263 | Water base ink set for ink-jet recording | Masashi Tsuda, Shunichi Higashiyama, Masaya Fujioka | 2004-11-30 |
| 6805735 | Water base ink for ink-jet recording | Masashi Tsuda, Shunichi Higashiyama, Masaya Fujioka | 2004-10-19 |
| 6743284 | Printing ink composition | Takahiro Norimatsu, Masaya Fujioka | 2004-06-01 |