Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7465084 | Light guiding plate and backlight apparatus | Youhei Yamazaki, Nobuo Suematsu, Shiro Sugawara, Nobuaki Kuribara, Akira Koshimura | 2008-12-16 |
| 6822705 | Reflective display, light guide plate and method of manufacturing light guide plate | Kazuhito Shimoda, Junichi Ohsako, Takashi Oku | 2004-11-23 |
| 6721097 | Optical element, its manufacturing method and optical element manufacturing metal die | Nobuo Suematsu, Akira Koshimura | 2004-04-13 |
| 6552863 | Optical element, its manufacturing method and optical element manufacture metal die | Nobuo Suematsu, Akira Koshimura | 2003-04-22 |