Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6583940 | Projection system | Jun Nishikawa, Katsuhiro Takamoto | 2003-06-24 |
| 6558007 | Illumination optical system and image projection apparatus | Tomoko Nakagawa, Katsuhiro Takamoto | 2003-05-06 |