Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828001 | Vacuum heat-insulating panel and method of manufacturing the same | Hideo Tokonabe | 2004-12-07 |
| 6764046 | Ceiling speaker system of aircraft | Ryoichi Itakura | 2004-07-20 |
| 6747407 | Plasma display device, and method for manufacturing display module of plasma display device | Takashi Saito | 2004-06-08 |
| 6739104 | Vacuum heat-insulating block | Hideo Tokonabe | 2004-05-25 |