A pressure-type inkjet head that makes an actuator apply pressure to ink in a pressure chamber and thereby ejects the ink from the pressure chamber , the inkjet head comprising: a plurality of ink feeding holes through which ink is supplied into the pressure chamber ; and a driver circuit that generates a driving signal for driving the actuator , wherein the plurality of ink feeding holes have different flow-path resistances, when ink is not being ejected from the pressure chamber , the driver circuit is arranged to generate, as the driving signal, a driving signal for circulating ink which differs from a driving signal for ejecting ink, and is arranged to apply the driving signal for circulating ink to the actuator to thereby circulate ink in the pressure chamber , wherein the actuator , by being driven based on the driving signal for circulating ink, is arranged to make the ink in the pressure chamber circulate by making a flow rate of the ink flowing through each of the plurality of ink feeding holes differ so that a difference of flow rate between the ink feeding holes is large when driven to eject ink and small when driven to draw in ink, wherein, in an application period a plurality of pulses is included, the application period being a repetition unit in making ink in the pressure chamber circulate, a waveform of the driving signal for circulating ink is asymmetrical between a side of a start of the application period and a side of an end of the application period, the start of the application period corresponding to a start of decompression of an inside of the pressure chamber , the end of the application period corresponding to an end of pressurization of the inside of the pressure chamber , wherein: the plurality of pulses are included in the application period, the driving signal for circulating ink has a waveform in which the plurality of pulses included in the application period are different from each other in pulse width or pulse potential. a plurality of ink feeding holes through which ink is supplied into the pressure chamber ; and a driver circuit that generates a driving signal for driving the actuator , wherein the plurality of ink feeding holes have different flow-path resistances, when ink is not being ejected from the pressure chamber , the driver circuit is arranged to generate, as the driving signal, a driving signal for circulating ink which differs from a driving signal for ejecting ink, and is arranged to apply the driving signal for circulating ink to the actuator to thereby circulate ink in the pressure chamber , wherein the actuator , by being driven based on the driving signal for circulating ink, is arranged to make the ink in the pressure chamber circulate by making a flow rate of the ink flowing through each of the plurality of ink feeding holes differ so that a difference of flow rate between the ink feeding holes is large when driven to eject ink and small when driven to draw in ink, wherein, in an application period a plurality of pulses is included, the application period being a repetition unit in making ink in the pressure chamber circulate, a waveform of the driving signal for circulating ink is asymmetrical between a side of a start of the application period and a side of an end of the application period, the start of the application period corresponding to a start of decompression of an inside of the pressure chamber , the end of the application period corresponding to an end of pressurization of the inside of the pressure chamber , wherein: the plurality of pulses are included in the application period, the driving signal for circulating ink has a waveform in which the plurality of pulses included in the application period are different from each other in pulse width or pulse potential. <EOS>