Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8480242 | Method for producing optical sheet, optical sheet and video display device | Tsuyoshi Kashiwagi | 2013-07-09 |
| 7746554 | Lenticular lens, light-diffusing sheet, and projection screen | Yuki Katsura | 2010-06-29 |
| 7715096 | Light diffusing screen | Yoshifumi Fukano | 2010-05-11 |
| 7271955 | Transmission screen | Makoto Honda | 2007-09-18 |
| 7224525 | Optically transmitting sheet and screen | — | 2007-05-29 |
| 6995907 | Diffusion sheet for use in transmission-type screen and transmission-type screen | Makoto Honda | 2006-02-07 |
| 6650481 | Lens sheet and producing method therefor | Kumpei Oda, Takanori Oboshi, Masafumi Hayashi | 2003-11-18 |
| 6335079 | Ionizing radiation curable resin composition for fresnel lens and transmission screen | Tomoaki Mukaiyama, Masayuki Mori | 2002-01-01 |
| 6071443 | Method of producing lens sheet and projection screen | Masahiro Goto | 2000-06-06 |
| 5903399 | UV-curable Fresnel lens resin composition, Fresnel lens, and back projection screen | Tsutomu Yamashita, Michiharu Okubo, Makoto Honda | 1999-05-11 |
| 5805358 | UV-curable fresnel lens resin composition, fresnel lens, and back projection screen | Tsutomu Yamashita, Michiharu Okubo, Makoto Honda | 1998-09-08 |