Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743378 | Plasma display panel with improved mixed green-color fluorescent material | — | 2004-06-01 |
| 6704528 | Image forming apparatus having detachable cleaning unit | Hiroshi Kawaguchi | 2004-03-09 |
| 6692393 | Pulley ball bearing and pulley | Masao Fukuwaka, Seiya INOUE, Takahiro Kanamoto | 2004-02-17 |