Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7967434 | Plastic polarized lens and method of producing the same | Yoshimitsu Aiiso | 2011-06-28 |
| 7961269 | Optical modulation element unit, projection optical unit, and image projection apparatus | Takehiro Koyama, Hidetomo Tanaka | 2011-06-14 |
| 7868963 | Optical modulation element unit, projection optical unit, and image projection apparatus | Takehiro Koyama, Hidetomo Tanaka | 2011-01-11 |