Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818328 | Color conversion filter substrate, color conversion type multicolor organic EL display having the color conversion filter substrate, and methods of manufacturing these | Makoto Utsumi | 2004-11-16 |
| 6794888 | Probe device | Masashi Shimizu | 2004-09-21 |
| 6762616 | Probe system | Hiroshi Amemiya, Hiroshi Kaneko, Tatsuo Kawashima | 2004-07-13 |
| 6680286 | Detergent composition comprising a quaternary ammonium salt of a carboxyl containing polymer | Hiroshi Itayama | 2004-01-20 |