Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938545 | Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus | Atsushi Takaura, Kazuhiro Fujita | 2011-05-10 |
| 7922341 | Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus | Atsushi Takaura, Kazuhiro Fujita | 2011-04-12 |