LOGITECH, INC.
98Patents
1Active
98Granted
39Portfolio score
Filing activity: Feb 12, 1987 → Nov 6, 2015
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5825352A | Multiple fingers contact sensing method for emulating mouse buttons and mouse operations on a touch sensor pad | Physics | 2,463 | Expired |
| US6002389A | Touch and pressure sensing method and apparatus | Physics | 473 | Expired |
| US5920309A | Touch sensing method and apparatus | Physics | 387 | Expired |
| US5790107A | Touch sensing method and apparatus | Physics | 272 | Expired |
| US5945980A | Touchpad with active plane for pen detection | Physics | 263 | Expired |
| USD410638S | Optical trackball | General | 218 | Expired |
| US6069594A | Computer input device with multiple switches using single line | Physics | 203 | Expired |
| US5288993A | Cursor pointing device utilizing a photodetector array with target ball having randomly distributed speckles | Physics | 188 | Expired |
| US5907152A | Pointing device utilizing a photodetector array | Physics | 145 | Expired |
| US5578817A | Pointing device utilizing a photodetector array and controlled by a human finger contacting a prism | Physics | 136 | Expired |
| US6084574A | Compact cursor pointing device utilizing photodetector array | Physics | 132 | Expired |
| US5142506A | Ultrasonic position locating method and apparatus therefor | Emerging Cross-Sectional Technologies | 127 | Expired |
| US6256016A | Optical detection system, device, and method utilizing optical matching | Physics | 114 | Expired |
| US5541656A | Digital camera with separate function and option icons and control switches | Electricity | 111 | Expired |
| US6124587A | Pointing device utilizing a photodetector array | Physics | 109 | Expired |
| US5881366A | Wireless peripheral interface | Physics | 108 | Expired |
| US5854621A | Wireless mouse | Physics | 101 | Expired |
| US5703356A | Pointing device utilizing a photodetector array | Physics | 100 | Expired |
| US6053814A | System and method for automatically adjusting game controller sensitivity to player inputs | Human Necessities | 80 | Expired |
| US5729009A | Method for generating quasi-sinusoidal signals | Physics | 74 | Expired |
| US5854482A | Pointing device utilizing a photodector array | Physics | 70 | Expired |
| USD328597S | Computer mouse | General | 68 | Expired |
| USD343392S | Computer mouse | General | 64 | Expired |
| USD411837S | Mouse with cushioning pads and roller | General | 61 | Expired |
| USD336900S | Electronic mouse | General | 57 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.