Abstract: A robot system includes a multi-joint robot arm including a plurality of joints; a robot controller configured or programmed to control movement of the multi-joint robot arm; an interactor configured to interact with a workpiece; a signal output configured to output a moving amount signal based on a moving amount of the interactor arranged on a distal end part of the multi-joint robot arm at a fixed time period; and an interaction controller configured or programmed to control interaction of the interactor with the workpiece based on the moving signal output by the signal output.

Abstract: An ink set includes an inkjet ink and a cleaning liquid. The inkjet ink contains a pigment and a first aqueous medium. The first aqueous medium contains a hydrophobic solvent and water. The inkjet ink has a viscosity at 25° C. of at least 120 mPa·S and no greater than 3800 mPa·S after a drying treatment. The drying treatment is a treatment to heat the inkjet ink at 40° C. until the mass of the inkjet ink is reduced by 30.00% by mass. The cleaning liquid contains poly(meth)acrylic acid, a surfactant, and a second aqueous medium. The poly(meth)acrylic acid has a percentage content of at least 0.15% by mass and no greater than 10.50% by mass in the cleaning liquid.

Abstract: An inkjet ink set includes a nonwhite ink and a white ink. The nonwhite ink contains a nonwhite pigment, a first polysaccharide, glycol ether, and water. The white ink contains a white pigment and water. The nonwhite ink has a first surface tension of at least 30 mN/m and no greater than 40 mN/m. The first surface tension of the nonwhite ink and a second surface tension of the white ink satisfy formula (1) “5 mN/m?Tc?Tw”. The nonwhite ink has a first viscosity of at least 5.0 mPa·s and no greater than 10.0 mPa·s. The first viscosity of the nonwhite ink and a second viscosity of the white ink satisfy formula (2) “2.0 mPa·s?Vc?Vw”.

Abstract: An inkjet ink set includes a white ink and a nonwhite ink. The white ink contains a white pigment, a first polysaccharide, glycol ether, and water. The nonwhite ink contains a nonwhite pigment, a second polysaccharide, and water. The white ink has a first surface tension of no greater than 30 mN/m. The first surface tension Tw of the white ink and a second surface tension Tc of the nonwhite ink satisfy formula (1) “3 mN/m?Tc?Tw?10 mN/m”. The white ink has a first viscosity of no greater than 5.0 mPa·s. The first viscosity Vw of the white ink and a second viscosity Vc of the nonwhite ink satisfy formula (2) “2.0 mPa·s?Vc?Vw?6.0 mPa·s”.

Abstract: An inkjet recording apparatus includes two or more line recording heads and inks each accommodated in a corresponding one of the line recording heads. The line recording heads perform ink ejection onto a recording medium in a specific order at a regular ejection interval T. The ejection interval T is at least 300 milliseconds and no greater than 530 milliseconds. The line recording heads include at least a first line recording head that performs ink ejection onto the recording medium first and a second line recording medium that performs ink ejection onto the recording medium next to the first line recording head. Each of the inks contains a pigment, a water-soluble organic solvent, and water. The water-soluble organic solvent includes a glycol ether compound.

Abstract: An inkjet ink contains pigment particles containing a pigment, binder resin particles containing a binder resin, and wax particles containing a wax. A ratio (DW/DB) of a volume median diameter DW of the wax particles to a volume median diameter DB of the binder resin particles is at least 1.45. A ratio (DW/DP) of the volume median diameter DW of the wax particles to a volume median diameter DP of the pigment particles is at least 1.45. The volume median diameter DW of the wax particles is no greater than 400 nm. An absolute value of a difference ?AV between an acid value AVB of the binder resin particles and an acid value AVW of the wax particles is no greater than 11 mgKOH/g.

Abstract: A toner includes a plurality of toner particles each including a toner mother particle and an external additive adhering to a surface of the toner mother particle. The external additive includes hydrotalcite particles. The hydrotalcite particles have a number average primary particle diameter of at least 80 nm and no greater than 1,000 nm. The hydrotalcite particles have a volume resistivity of no greater than 1.0×105 ?·cm. An amount of the hydrotalcite particles is at least 0.5 parts by mass and no greater than 3.0 parts by mass relative to 100 parts by mass of the toner mother particles.

Abstract: An electrostatic latent image developing toner has positive chargeability and includes a plurality of toner particles. The toner particles each include primary domains made from a primary mixture. The primary mixture contains a wax and an antioxidant. The antioxidant is contained in an amount of at least 1.8 parts by mass and no greater than 15.8 parts by mass relative to 100 parts by mass of the primary mixture.

Abstract: A toner includes a plurality of toner particles each including a toner mother particle and an external additive adhering to a surface of the toner mother particle. The external additive includes hydrotalcite particles. The hydrotalcite particles have a number average primary particle diameter of at least 80 nm and no greater than 1,000 nm. The hydrotalcite particles have a volume resistivity of no greater than 1.0×105 ?·cm. An amount of the hydrotalcite particles is at least 0.5 parts by mass and no greater than 3.0 parts by mass relative to 100 parts by mass of the toner mother particles.

Abstract: An electrostatic latent image developing toner has positive chargeability and includes a plurality of toner particles. The toner particles each include primary domains made from a primary mixture. The primary mixture contains a wax and an antioxidant. The antioxidant is contained in an amount of at least 1.8 parts by mass and no greater than 15.8 parts by mass relative to 100 parts by mass of the primary mixture.

Abstract: A magnetic toner includes toner particles. The toner particles contain a binder resin and a magnetic powder. The binder resin includes a crystalline polyester resin. The magnetic powder has a coating of a melamine resin. Preferably, the crystalline polyester resin has a solubility parameter (SPC) of no less than 9.5, and the solubility parameter (SPC) of the crystalline polyester resin and a solubility parameter (SPM) of the melamine resin satisfy formula (1) shown below. SPC?SPM>1.

Abstract: A magnetic toner includes toner particles. The toner particles contain a binder resin and a magnetic powder. The binder resin includes a crystalline polyester resin. The magnetic powder has a coating of a melamine resin. Preferably, the crystalline polyester resin has a solubility parameter (SPC) of no less than 9.5, and the solubility parameter (SPC) of the crystalline polyester resin and a solubility parameter (SPM) of the melamine resin satisfy formula (1) shown below. SPC?SPM>1.

Abstract: A control device for hybrid vehicle drive system includes an engine rotation speed control device performing a rotation speed control of an engine so that a rotation speed of an output shaft of the engine is assumed to be equal to a next gear shift stage input shaft rotation speed when an operation amount of an accelerator pedal increases from an operation amount smaller than a first predetermined amount to an operation amount greater than a second predetermined amount, at which gear stages are switched from a current gear shift stage to a next gear shift stage whose gear ratio is greater than the current gear shift stage, within a priority determining time, a front clutch engagement commanding device, a front clutch engaging device, a release side frictional engagement element releasing device, a motor generator rotation speed control device, and an engagement side frictional engagement element engaging device.

Abstract: A magnetic one-component developing toner including a plurality of toner particles is provided. Each of the plurality of toner particles contains a binder resin including a polyester resin; and a magnetic powder. Water absorptions of the toner and the magnetic powder shown in an environment of 10° C. and 20% RH and in an environment of 28° C. and 80% RH respectively fall in predetermined ranges.

Abstract: A developer of the present disclosure contains: toner particles each containing a binder resin and a magnetic powder; cross-linked polyester resin particles having a particle size of 2 ?m or more and 30 ?m or less; and an external additive. The toner particles and the cross-linked polyester resin particles are externally treated with the external additive in the same manner.

Abstract: A developer of the present disclosure contains: toner particles each containing a binder resin and a magnetic powder; cross-linked polyester resin particles having a particle size of 2 ?m or more and 30 ?m or less; and an external additive. The toner particles and the cross-linked polyester resin particles are externally treated with the external additive in the same manner.

Abstract: A magnetic one-component developing toner including a plurality of toner particles is provided. Each of the plurality of toner particles contains a binder resin including a polyester resin; and a magnetic powder. Water absorptions of the toner and the magnetic powder shown in an environment of 10° C. and 20% RH and in an environment of 28° C. and 80% RH respectively fall in predetermined ranges.

Abstract: The positively chargeable magnetic toner contains a binder resin and a magnetic powder with a specified octahedral shape, in which a frictional charged amount of the magnetic powder with a ferrite carrier, and a particle number of the magnetic powder exposed on a surface of the positively chargeable magnetic toner per 1 ?m2 area of the positively chargeable magnetic toner in an electron microscope image, are defined as values within predetermined ranges.

Abstract: A magnetic toner for a single component developer includes in a polyester resin at least a nigrosine dye that is immiscible with the polyester resin, a nigrosine dye that is miscible with the polyester resin, and a magnetic powder. The nigrosine dye that is immiscible with the polyester resin has an average diameter of 0.2 to 4 ?m when dispersed in the polyester resin.

Abstract: A magnetic toner for a single component developer is provided, the magnetic toner including in a polyester resin at least a nigrosine dye that is immiscible with the polyester resin, a nigrosine dye that is miscible with the polyester resin, and a magnetic powder, the nigrosine dye that is immiscible with the polyester resin having an average diameter of 0.2 to 4 ?m when dispersed in the polyester resin.