Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8094246 | Polarization conversion device, polarized illumination optical device, and liquid crystal projector | — | 2012-01-10 |
| 8035759 | Polarization conversion device, polarized illumination optical device, and liquid crystal projector | — | 2011-10-11 |
| 8031288 | Polarization conversion element, polarized light illumination optical element, and liquid crystal projector | — | 2011-10-04 |
| 7715301 | Wave plate | Homin Ryu, Hajime Kurahashi, Takahiko Matsuba | 2010-05-11 |
| 7612939 | Transmissive phase plate, polarized beam splitter, and projection display | Shigeru Kato, Takuya Komatsu | 2009-11-03 |
| 7538944 | Polarizing filter, and method for fabricating same | Takahiko Matsuba, Homin Ryu, Hajime Kurahashi | 2009-05-26 |
| 7130123 | Polarization conversion element and optical system containing such polarization conversion element | — | 2006-10-31 |