Issued Patents 2005
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975385 | Projection optical system and exposure apparatus | Yumiko Ohsaki, Koshi Hatakeyama, Takahiro Sasaki | 2005-12-13 |
| 6951395 | Projection optical system, projection type image display apparatus, and image display system | Sawako Chatani, Katsumi Kurematsu, Takayuki Ishii, Yoshiaki Kurioka | 2005-10-04 |
| 6922291 | Catoptric projection optical system and exposure apparatus | Koshi Hatakeyama, Takahiro Sasaki | 2005-07-26 |
| 6894842 | Projection optical system, image display apparatus, and image display system | Katsumi Kurematsu | 2005-05-17 |
| 6890081 | Optical element and optical system having the same | Hiroaki Hoshi, Takeshi Akiyama | 2005-05-10 |
| 6883922 | Display apparatus | Katsumi Kurematsu | 2005-04-26 |
| 6848794 | Reflecting optical element, optical system and optical apparatus using reflecting optical element, projection type image display apparatus, and method for fabricating reflecting optical element | — | 2005-02-01 |
| 6842280 | Optical element and optical apparatus | Keisuke Araki, Tsunefumi Tanaka, Makoto Sekita, Kenichi Kimura, Takeshi Akiyama | 2005-01-11 |