Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492979 | Dual sensor touchscreen utilizing projective-capacitive and force touch sensors | Geoffrey D. Wilson | 2002-12-10 |
| 6473075 | Adaptive frequency touchscreen controller employing digital signal processing | Paulo I. Gomes, Shigeki Kambara, Hiroshi Kaneda, Arie Ravid | 2002-10-29 |
| 6441809 | Acoustic touch position sensor using a low acoustic loss transparent substrate | Masahiro Tsumura | 2002-08-27 |