Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812983 | RETARDATION PLATE AND FABRICATION METHOD THEREOF, AND PLATE FOR CIRCULARLY POLARIZING LIGHT, ½ WAVE PLATE AND REFLECTION-TYPE LIQUID CRYSTAL DISPLAY DEVICE UTILIZING THE RETARDATION PLATE | — | 2004-11-02 |
| 6778237 | Polarizing element | Mitsuyoshi Ichihashi | 2004-08-17 |