Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7567381 | Plastic sheet | Katsuyuki Murai, Shinpei Arita | 2009-07-28 |
| 7369311 | Lens sheets for rear projection screens | Katsuyuki Murai, Shinpei Arita | 2008-05-06 |
| 7196845 | Fresnel lens sheet and rear projection screen | Katsuyuki Murai, Mitsuhiro Akiyama | 2007-03-27 |
| 6284823 | Antistatic acrylic resin composition | Kazunobu Sato | 2001-09-04 |
| 5696187 | Methyl methacrylate-styrene copolymer resin composition sheet | Yoshio Imae, Kazunobu Sato | 1997-12-09 |