Assignee
LOGITECH INC
US93 patents
Top patents by PatentIndex Score
US6124587ASep 26, 2000
Pointing device utilizing a photodetector array
LOGITECH INC150 citations98
US6084574AJul 4, 2000
Compact cursor pointing device utilizing photodetector array
LOGITECH INC194 citations98
US6031218AFeb 29, 2000
System and method for generating band-limited quasi-sinusoidal signals
LOGITECH INC92 citations98
US6002389ADec 14, 1999
Touch and pressure sensing method and apparatus
LOGITECH INC606 citations98
US5907152AMay 25, 1999
Pointing device utilizing a photodetector array
LOGITECH INC207 citations98
US5881366AMar 9, 1999
Wireless peripheral interface
LOGITECH INC178 citations98
US5825352AOct 20, 1998
Multiple fingers contact sensing method for emulating mouse buttons and mouse operations on a touch sensor pad
LOGITECH INC3,170 citations98
US5142506AAug 25, 1992
Ultrasonic position locating method and apparatus therefor
LOGITECH INC157 citations98
US5854482ADec 29, 1998
Pointing device utilizing a photodector array
LOGITECH INC114 citations97
US5854621ADec 29, 1998
Wireless mouse
LOGITECH INC210 citations97
US5790107AAug 4, 1998
Touch sensing method and apparatus
LOGITECH INC328 citations97
US5729009AMar 17, 1998
Method for generating quasi-sinusoidal signals
LOGITECH INC121 citations97
US5703356ADec 30, 1997
Pointing device utilizing a photodetector array
LOGITECH INC170 citations97
US5578817ANov 26, 1996
Pointing device utilizing a photodetector array and controlled by a human finger contacting a prism
LOGITECH INC185 citations97
US6833862B1Dec 21, 2004
Image sensor based vignetting correction
LOGITECH INC63 citations96
US6225617B1May 1, 2001
Method for generating quasi-sinusoidal signals
LOGITECH INC67 citations96
US5920309AJul 6, 1999
Touch sensing method and apparatus
LOGITECH INC509 citations96
USD411837SJul 6, 1999
Mouse with cushioning pads and roller
LOGITECH INC61 citations96
USD356558SMar 21, 1995
Cordless electronic mouse
LOGITECH INC60 citations96
USD348057SJun 21, 1994
Computer mouse
LOGITECH INC51 citations96
US5288993AFeb 22, 1994
Cursor pointing device utilizing a photodetector array with target ball having randomly distributed speckles
LOGITECH INC249 citations96
US6256016B1Jul 3, 2001
Optical detection system, device, and method utilizing optical matching
LOGITECH INC254 citations95
US6218659B1Apr 17, 2001
Dual layer optical ball for pointing device
LOGITECH INC80 citations95
US6069594AMay 30, 2000
Computer input device with multiple switches using single line
LOGITECH INC293 citations95
US5911627AJun 15, 1999
Electromagnetic joystick using varying overlap of coils and conductive elements
LOGITECH INC41 citations95
US5805161ASep 8, 1998
System and method for data processing enhanced ergonomic scrolling
LOGITECH INC69 citations95
US5680157AOct 21, 1997
Pointing device with differential optomechanical sensing
LOGITECH INC57 citations95
USD355901SFeb 28, 1995
Computer mouse
LOGITECH INC63 citations95
USD336900SJun 29, 1993
Electronic mouse
LOGITECH INC64 citations95
US5541656AJul 30, 1996
Digital camera with separate function and option icons and control switches
LOGITECH INC201 citations94
US5420379AMay 30, 1995
Electromagnetic position transducer having active transmitting stylus
LOGITECH INC93 citations94
USD343392SJan 18, 1994
Computer mouse
LOGITECH INC72 citations94
US6292175B1Sep 18, 2001
Ergonomic trackball device
LOGITECH INC28 citations93
US6052033AApr 18, 2000
Radio frequency amplifier system and method
LOGITECH INC22 citations93
US6002594ADec 14, 1999
Flexible touchpad circuit with mounted circuit board
LOGITECH INC69 citations93
USD413322SAug 31, 1999
Mouse with roller
LOGITECH INC46 citations93
USD413114SAug 24, 1999
Computer mouse
LOGITECH INC39 citations93
US6411281B1Jun 25, 2002
Mouse with battery compartment on top
LOGITECH INC46 citations92
US6138050AOct 24, 2000
Antenna system and apparatus for radio-frequency wireless keyboard
LOGITECH INC21 citations92
USD430587SSep 5, 2000
Video camera
LOGITECH INC45 citations92
US6053814AApr 25, 2000
System and method for automatically adjusting game controller sensitivity to player inputs
LOGITECH INC120 citations92
US5945980AAug 31, 1999
Touchpad with active plane for pen detection
LOGITECH INC339 citations92
US5895905AApr 20, 1999
Scanner with an internal motor and a contact image sensor
LOGITECH INC49 citations92
US5774113AJun 30, 1998
3-D mouse on a pedestal
LOGITECH INC47 citations92
USD374867SOct 22, 1996
Ergonomic trackball
LOGITECH INC31 citations92
USD337321SJul 13, 1993
Electronic mouse
LOGITECH INC55 citations92
USD439253SMar 20, 2001
Ergonomic mouse
LOGITECH INC33 citations91
USD435848SJan 2, 2001
Ergonomic mouse
LOGITECH INC23 citations91
US6157369ADec 5, 2000
Optical-mechanical roller with ratchet
LOGITECH INC53 citations91
US5543821AAug 6, 1996
Track ball mounted on keyboard
LOGITECH INC70 citations91
Showing the top 50 of 93 patents by PatentIndex Score.