Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8025415 | Projection optical system and image projecting apparatus | Issei Abe, Kazuhiro Fujita | 2011-09-27 |
| 7946717 | Projection optical system and image projecting apparatus | Issei Abe, Kazuhiro Fujita | 2011-05-24 |
| 7938545 | Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus | Kazuhiro Fujita, Nobuo Sakuma | 2011-05-10 |
| 7922341 | Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus | Kazuhiro Fujita, Nobuo Sakuma | 2011-04-12 |
| 7911704 | Projection optical system and image display apparatus | Issei Abe, Kazuhiro Fujita | 2011-03-22 |
| 7889224 | Optical path switching device, optical scanning device, and image forming apparatus | Toshimichi Hagiya, Kazuya Miyagaki, Toshiaki Tokita | 2011-02-15 |