Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8013265 | Switch device | Kazuhisa Fujita, Mikio Nishimura, Kouichi Santo, Kenji Otomo | 2011-09-06 |
| 6837604 | Lighting apparatus | Takefumi Inoue, Tetsuya Koma, Yoshiharu Abe | 2005-01-04 |
| 6764191 | Illumination type keyboard | Takefumi Inoue, Tetsuya Koma, Yoshiharu Abe | 2004-07-20 |
| 6686549 | Illuminated keyboard switch | Yoshiharu Abe | 2004-02-03 |
| 6670565 | Illuminated button switch | Tetsuro Hanahara, Takayuki Ishikawa, Yoshiharu Abe | 2003-12-30 |