Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8334794 | Input device and keyboard device having illumination function | Kazutoshi Watanabe, Takenobu Kimura, Koichi Yamamoto, Katsuyuki Katayama, Naomi Sato +6 more | 2012-12-18 |
| 7497610 | Light guiding plate including a plurality of prisms, surface emitting device using light guiding plate, and liquid crystal display device using light guiding plate | Takuro Sugiura, Koichi Yamamoto | 2009-03-03 |
| 7356211 | Lighting system | Takuro Sugiura | 2008-04-08 |
| 7165874 | Backlight unit and liquid crystal display device | Takenobu Kimura | 2007-01-23 |
| 7123318 | Double-sided emissive liquid crystal display module containing double-sided illumination plate and multiple display panels | Ko Owada | 2006-10-17 |
| 7121711 | Surface emitting device and liquid crystal display apparatus | Koichi Yamamoto | 2006-10-17 |
| 6981792 | Backlight device and liquid crystal display device | Koichi Yamamoto | 2006-01-03 |
| 6971782 | Illumination device and liquid crystal display device | Norikazu Sato | 2005-12-06 |
| 6692134 | Surface-emitting device precisely positioned in the front of liquid crystal display unit, and liquid crystal display device having the surface-emitting device | Kou Ohwada | 2004-02-17 |
| 6313891 | Liquid crystal display device with light quantity control portion | Mitsuaki Yamazaki, Satoshi Matsubara, Ryohei Kakuta | 2001-11-06 |
| 6297786 | Liquid crystal display apparatus | Ryohei Kakuta, Seiji TOKITA, Yoshifumi Masumoto | 2001-10-02 |
| 6219117 | Liquid crystal display device | Mitsuaki Yamazaki, Satoshi Matsubara, Ryohei Kakuta | 2001-04-17 |