Touch Panel Systems, K.K.
7Patents
4Active
7Granted
40Portfolio score
Filing activity: Jun 29, 2000 → Jul 15, 2011 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6567077B2 | Touch panel | Physics | 69 | Expired |
| US7187369B1 | Acoustic touch sensor | Physics | 63 | Expired |
| US7193617B1 | Acoustic contact detecting device | Physics | 59 | Expired |
| US8941624B2 | Acoustic touch sensor utilizing edge waves | Physics | 53 | Active |
| US8427423B2 | Information input device | Physics | 50 | Active |
| US7920133B2 | Acoustic wave type touch panel | Physics | 50 | Active |
| US8023051B2 | Touch panel with elongated flexible printed circuit | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.