Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6764191 | Illumination type keyboard | Takefumi Inoue, Tetsuya Koma, Yoshiharu Abe | 2004-07-20 |
| 6686549 | Illuminated keyboard switch | Yoshiharu Abe | 2004-02-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6764191 | Illumination type keyboard | Takefumi Inoue, Tetsuya Koma, Yoshiharu Abe | 2004-07-20 |
| 6686549 | Illuminated keyboard switch | Yoshiharu Abe | 2004-02-03 |