Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8587778 | Light irradiation apparatus, component image pickup apparatus, and component mounting apparatus | Koya Nomoto, Kazuhito Kunishima, Daisuke Tanaka | 2013-11-19 |
| 7465084 | Light guiding plate and backlight apparatus | Yoshinari Kawashima, Youhei Yamazaki, Nobuo Suematsu, Shiro Sugawara, Nobuaki Kuribara | 2008-12-16 |
| 6721097 | Optical element, its manufacturing method and optical element manufacturing metal die | Yoshinari Kawashima, Nobuo Suematsu | 2004-04-13 |
| 6552863 | Optical element, its manufacturing method and optical element manufacture metal die | Yoshinari Kawashima, Nobuo Suematsu | 2003-04-22 |