Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7891829 | Backlighted keyboard and method using patterned light guide | Satoshi Kawashima, Junji Yuasa, Yohei Ishii | 2011-02-22 |
| 7893373 | Multi-segment backlight system and method for keyboards | Wataru Kudo | 2011-02-22 |