Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8071902 | Push-button switch and electronic apparatus having the same | Kiyoshi Nakanishi | 2011-12-06 |
| 7978467 | Key sheet, press switch and electronic device provided with the press switch | — | 2011-07-12 |