Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6947215 | Optical element, optical functional device, polarization conversion device, image display apparatus, and image display system | — | 2005-09-20 |
| 6900939 | Polarization insensitive beam splitting grating and apparatus using it | Yasushi Kaneda | 2005-05-31 |
| 6858983 | Display device having conical transparent members covering electroluminescent elements | Noritaka Mochizuki, Ryuji Tokuda, Michitaka Setani, Masanori Sakuranaga | 2005-02-22 |