Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8072425 | Key sheet for a pointing device and pointing device | Toshinori Takatsuka | 2011-12-06 |
| 8013262 | Key sheet | Yasunori Takeda, Yutaka Nakanishi | 2011-09-06 |
| 7875815 | Key sheet and pushbutton switch | — | 2011-01-25 |