Patent assignee · JP · COMPANY

FANUC CORPORATION

6,022Patents
4,176Active
6,022Granted
59Portfolio score

Filing activity: Jul 25, 1980 → Mar 4, 2024 · 278 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US10580320B2 Part mounting position guidance device, part mounting position guidance system, and part mounting position guidance method Physics 593 Active
US5845053A Method for teaching welding torch orientation Emerging Cross-Sectional Technologies 158 Expired
US6330493A Control system for synchronously cooperative operation of plurality of robots Physics 143 Expired
US5987591A Multiple-sensor robot system for obtaining two-dimensional image and three-dimensional position information Physics 112 Expired
US6324443A Robot control apparatus Physics 107 Expired
US5749058A Robot safety system for connecting peripheral device to a robot controller Performing Operations; Transporting 105 Expired
US7181315B2 Manual-mode operating system for robot Physics 104 Expired
US8132835B2 Workpiece gripping device Performing Operations; Transporting 96 Active
US7474939B2 Object taking-out apparatus Physics 90 Expired
US5937143A Teaching pendant for a robot Electricity 82 Expired
US9604363B2 Object pickup device and method for picking up object Physics 82 Active
US5010266A Anti-clogging offset for rotor of synchronous motor Electricity 81 Expired
USD410477S Industrial robot General 80 Expired
US5397951A Rotor for a synchronous rotary machine Electricity 77 Expired
US6934309B2 Two-dimensional laser diode array light-emitting device Electricity 76 Expired
US7257136B2 Laser apparatus Electricity 76 Expired
US5442270A Adaptive sliding mode control method for object of control including spring system Physics 76 Expired
US5200662A Joint structure of radial type rotor and output shaft in synchronous motor Electricity 74 Expired
US4745314A Liquid-cooled motor Emerging Cross-Sectional Technologies 71 Expired
US5329469A Calibration method for a visual sensor Physics 68 Expired
US7177459B1 Robot system having image processing function Physics 63 Expired
US5253140A Connector unit for input/output module of programmable controller having disengagement lever Electricity 63 Expired
US5124622A Remote diagnosis system of numerical control apparatus Physics 62 Expired
US4695237A Injection molding apparatus Physics 62 Expired
US5887122A Tracking control method for robot with weaving action Performing Operations; Transporting 62 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.