Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803706 | Lamp with double layer coiled-coil filament | Masayoshi Hiratsuka | 2004-10-12 |
| 6757871 | Common document editing apparatus | Chihiro Sato, Hiroshi Katsurabayashi, Takashi Noguchi, Nobuyuki Takeo | 2004-06-29 |