Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7361859 | Key sheet | Toshikazu Yoshioka | 2008-04-22 |
| 7358454 | Key sheet | — | 2008-04-15 |
| 7310088 | Input operation device | Kota Yamazaki | 2007-12-18 |
| 7266194 | Self-lighting type push button input device | Tsuyoshi Saeki, Mahito Hamada, Takeshi Nishimura | 2007-09-04 |