Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669797 | Manufacturing method for polarizing conversion elements | — | 2003-12-30 |
| 6618200 | System and method for providing a substrate having micro-lenses | Nobuo Shimizu, Shinichi Yotsuya, Hideto Yamashita, Koichi Akiyama | 2003-09-09 |