Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7891829 | Backlighted keyboard and method using patterned light guide | Toshisada Takeda, Satoshi Kawashima, Yohei Ishii | 2011-02-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7891829 | Backlighted keyboard and method using patterned light guide | Toshisada Takeda, Satoshi Kawashima, Yohei Ishii | 2011-02-22 |