An electrostatic capacitance type touch panel comprising: a substrate; a plurality of X electrodes (X1 - X4) which are formed over the substrate, the plurality of X electrodes extending between a respective first end and a respective second end in a second direction and being adjacent to each other in a first direction which intersects with the second direction; and a plurality of Y electrodes (Y1 - Y6) which are formed over the substrate, the plurality of Y electrodes extending between a respective first end and a respective second end in the first direction while intersecting with the X electrodes and being adjacent to each other in the second direction; and first supply means for supplying a drive voltage to the plurality of Y electrodes from one side of the plurality of Y electrodes, wherein lead lines (LX1 - LX4, LY1 - LY6) are connected to respective portions at the respective first end of at least either one of the X electrodes and the Y electrodes respectively, and wherein either one of the plurality of X electrodes or of the plurality of Y electrodes have a plurality of pad portions (1a, 2b) inside an effective touch region, characterized in comprising a plurality of inspection portions (PX1 - PX4, PY1 - PY6), each of which is connected to the respective second end of the at least either one of respective X electrodes or Y electrodes and formed in regions outside the effective touch region, a first inspection electrode (KX, KY) which is laminated to cross the plurality of inspection portions with an insulation film sandwiched between said inspection portions and the inspection electrode, and second supply means configured to supply a voltage for inspection to the first inspection electrode during an inspection time, and to supply a voltage at the same phase as the drive voltage supplied to the at least either one of the X electrodes and the Y electrodes to the inspection electrode during a usual operation time. a substrate; a plurality of X electrodes (X1 - X4) which are formed over the substrate, the plurality of X electrodes extending between a respective first end and a respective second end in a second direction and being adjacent to each other in a first direction which intersects with the second direction; and a plurality of Y electrodes (Y1 - Y6) which are formed over the substrate, the plurality of Y electrodes extending between a respective first end and a respective second end in the first direction while intersecting with the X electrodes and being adjacent to each other in the second direction; and first supply means for supplying a drive voltage to the plurality of Y electrodes from one side of the plurality of Y electrodes, wherein lead lines (LX1 - LX4, LY1 - LY6) are connected to respective portions at the respective first end of at least either one of the X electrodes and the Y electrodes respectively, and wherein either one of the plurality of X electrodes or of the plurality of Y electrodes have a plurality of pad portions (1a, 2b) inside an effective touch region, characterized in comprising a plurality of inspection portions (PX1 - PX4, PY1 - PY6), each of which is connected to the respective second end of the at least either one of respective X electrodes or Y electrodes and formed in regions outside the effective touch region, a first inspection electrode (KX, KY) which is laminated to cross the plurality of inspection portions with an insulation film sandwiched between said inspection portions and the inspection electrode, and second supply means configured to supply a voltage for inspection to the first inspection electrode during an inspection time, and to supply a voltage at the same phase as the drive voltage supplied to the at least either one of the X electrodes and the Y electrodes to the inspection electrode during a usual operation time.