Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6999234 | Polarizing element, and plane light source unit and liquid crystal display apparatus using the same | Masanori Hiraishi | 2006-02-14 |
| 6917396 | Light diffusion film, plane light source device and liquid crystal display apparatus for enhancing a constant luminance and diffusing a light | Masanori Hiraishi, Tomohiro Sasagawa, Naoko Iwasaki, Akimasa Yuuki, Osamu Murakami | 2005-07-12 |
| 6909480 | Anisotropic scattering sheet and its use | Masanori Hiraishi | 2005-06-21 |
| 6582783 | Laminated films | Masanori Hiraishi | 2003-06-24 |