Kenta Yamamoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: Provided is a machine tool control device that makes it possible to alleviate shock generated in a machine tool during an oscillation cutting process. A control device 1 for a machine tool that carries out a process by relatively oscillating a tool and a workpiece is provided with: an oscillation command generation unit 13 that generates an oscillation command on the basis of an oscillation condition; an oscillation start/end determination unit 14 that determines start/end of oscillation on the basis of the oscillation command; and a position speed control unit 18 that relatively oscillates the tool and the workpiece on the basis of a superimposed command generated by superimposing the oscillation command on a moving command according to a determination result of the oscillation start/end determination unit 14. The oscillation start/end determination unit 14 determines start/end of oscillation when the absolute value of the oscillation command is no greater than a predetermined value.
Abstract: A chatter vibration determination device is provided with a machine learning device configured to observe machining condition data including a feed speed and a spindle rotational frequency in cutting as state data representative of the current state of environment, execute processing related to machine learning using a learning model obtained by modeling the relationship of chatter vibration with a machining condition for the cutting, based on the state data, and estimate the occurrence/non-occurrence of chatter vibration and the improvement of the chatter vibration. The chatter vibration determination device outputs the result of the estimation of the occurrence/non-occurrence of the chatter vibration and the improvement of the chatter vibration.
Abstract: A composition for forming an organic film contains a polymer having a partial structure shown by the following general formula (1A) as a repeating unit, and an organic solvent, where AR1 and AR2 each represent a benzene ring or a naphthalene ring which optionally have a substituent; each R represents a hydrogen atom or a monovalent organic group having 2 to 10 carbon atoms and an unsaturated bond; R? represents a single bond or W1; and W1 represents a divalent organic group having 6 to 80 carbon atoms and one or more aromatic rings. This invention provides: a composition for forming an organic film, the composition containing a polymer having an indenofluorene structure with high carbon content and thermosetting property as to enable high etching resistance and excellent twisting resistance; a patterning process using this composition; and a polymer for providing such a composition for forming an organic film.
Abstract: The compound is represented by general formula (i). In the compound, in a group Ki1, at least two secondary carbon atoms in an alkyl group (a linear alkyl, halogenated alkyl, or cyanogenated alkyl group having 3 to 40 carbon atoms) are replaced with —C(?Xi1)— and/or —CH(—CN)—, where Xi1 is an oxygen atom, a sulfur atom, NH, or NR13; in addition, a group Ai2, a group Ai3, or the group Ki1 includes, as a substituent, at least one Pi1-Spi1- group, where Pi1 is a polymerizable group, and SPi1 is a spacer group or a single bond. The liquid crystal composition including the compound represented by general formula (i) can be adsorbed onto substrates between which a liquid crystal layer is held, and, consequently, without the use of an alignment film, liquid crystal molecules can be maintained in a state in which the liquid crystal molecules are aligned in a vertical direction.
Abstract: Provided are a display device capable of curbing light leakage between adjacent pixels, a method of manufacturing the display device, and an electronic apparatus using the display device. The display device includes a plurality of light-emitting elements in which a lower electrode, an organic layer, and an upper electrode are laminated in this order on a substrate, an upper surface protective layer laminated on an upper surface side of the light-emitting elements and covering the upper electrodes, and an element isolation wall disposed between adjacent light-emitting elements and covering side edges surfaces of the light-emitting elements, and the element isolation wall extends from the light-emitting elements toward the upper surface protective film in a thickness direction of the light-emitting elements.
Abstract: The present invention is a planarizing agent for forming an organic film, including an aromatic-group-containing compound having a molecular weight represented by a molecular formula of 200 to 500, wherein a blended composition that includes the planarizing agent and a preliminary composition containing an organic film-forming resin and a solvent, and having a complex viscosity of 1.0 Pa·s or more in a temperature range of 175° C. or higher has a temperature range in which a complex viscosity of the blended composition is less than 1.0 Pa·s in a temperature range of 175° C. or higher. This provides a planarizing agent for forming an organic film to yield a composition for forming an organic film having a high planarizing ability; a composition for forming an organic film containing this planarizing agent; a method for forming an organic film using this composition; and a patterning process.
Abstract: The purpose of the present invention is to provide a device for controlling a machine tool with which it is possible to smoothly stop oscillation at an arbitrary timing without loss of cutting-chip-shredding performance, and to minimize shock produced in the machine tool. The present invention provides a device 1 for controlling a machine tool for performing machining while causing a tool and a workpiece to oscillate relative to each other, the device 1 for controlling a machine tool comprising: an oscillation command generation unit 12 for generating an oscillation command on the basis of a machining condition and an oscillation condition; an oscillation stoppage assessment unit 13 for assessing the timing of oscillation stoppage; and a position speed control unit 17 for causing, on the basis of a superimposition command generated by superimposing the oscillation command onto a position command or a position deviation, the tool and the workpiece to oscillate relative to each other.
Abstract: Provided is a machine tool control device that can generate movement commands of any required command form and that can also suppress the deviation of a peak position during air cutting. A machine tool control device 1 that performs processing while making a tool and a workpiece oscillate relative to each other. The machine tool control device 1 comprises an oscillation conditions setting unit 11 that sets oscillation conditions, an oscillation phase division unit 12 that divides an oscillation phase into a plurality of segments, a layered command calculation unit 13 that, for each of the divided segments, calculates a layered command as a movement command on the basis of the oscillation conditions, and a position and speed control unit 17 that makes the tool and the workpiece oscillate relative to each other on the basis of the layered commands.
Abstract: The present disclosure provides a technique for introducing an antigen receptor-encoding nucleic acid into a definite site in a nucleic acid that is contained in an immune cell of a target organism. In the technique according to the present disclosure, a vector, which contains an antigen receptor-encoding nucleic acid, and a nuclease are introduced into an immune cell. The nuclease cleaves the vector and the genome sequence of the immune cell. The vector can be configured so that, when cleaved with the nuclease, a sequence, which is an antigen receptor-encoding sequence and which is introduced by microhomology-mediated end-joining (MMEJ) at the nuclease cleavage site of the genome sequence of the immune cell, is formed.
Abstract: There is provided a technique that includes a first opening and a second opening which supply gases to a process chamber in which a substrate is arranged, and is configured such that: the first opening and the second opening are arranged in a direction parallel to a surface of the substrate, a gas supplied from the first opening is supplied toward a center of the substrate, a gas supplied from the second opening is supplied toward a peripheral edge of the substrate, and a direction of the gas supplied from the second opening forms a predetermined angle with respect to a direction of the gas supplied from the first opening.
Abstract: A manufacturing method of a rotor may be provided with: arranging a magnet and a thermoplastic in a magnet fixing portion of a rotor core including a laminate in which a plurality of metal plates is laminated, the magnet fixing portion including a hole and/or a trench provided in the rotor core and extending along a lamination direction of the laminate; heating the rotor core while rotating the rotor core around a center axis of the rotor core, with the center axis intersecting a vertical direction; and cooling the rotor core to fix the magnet to the rotor core via the thermoplastic while rotating the rotor core around the center axis, with the center axis intersecting the vertical direction.
Abstract: To provide a control device for a machine tool capable of performing thread cutting while reducing the load on the machine tool from the oscillating operation, without extending the cycle time, and capable of reliably shredding chips in a case of performing the non-oscillating operation in the present pass after the oscillating operation in the previous pass. A control device for a machine tool includes: an oscillating operation execution determination unit that determines whether to execute an oscillating operation that causes the cutting tool to oscillate in the radial direction of the workpiece; an oscillation command generation unit that generates an oscillation command of the oscillating operation based on a determination result; a control unit that superimposes the oscillation command on a position command of the feed axis to generate a drive command.
Abstract: According to one embodiment, a motor drive apparatus is an apparatus which drives a motor including a plurality of phase windings in a mutually unconnected state, and includes first and second inverters. The first and second inverters are first and second modules each of which is configured in such a manner that a switching circuit including a positive side terminal and negative side terminals and a drive circuit intended to drive the switching circuit are accommodated in one package, and which possess configurations identical to each other, and the first and second modules are arranged on a circuit board in a state where the negative side terminals of the modules are respectively close to each other.
Abstract: A primary-side inverter is connected to three output terminals of six output terminals included in a motor with an open winding structure including windings of three independent phases and a secondary-side inverter is connected to the remaining three output terminals. Direct current power is supplied to the inverters, and a control device performs PWM control on the inverters by using a switching pattern in which the numbers of phases where each is turned on are equal, and in the switching pattern, ON of only an upper is continued in one phase from among the three phase outputs, OFF of only a lower is continued in another phase, and the upper and lower are alternately turned on and off such that mutual phases are opposite in the remaining one phase in one cycle of an electric angle of the motor over a plural carrier cycles in PWM control.
Abstract: A material for forming an organic film contains a polymer having a repeating unit shown by the following general formula (1), and an organic solvent, where AR1 and AR2 each represent a benzene ring or a naphthalene ring which optionally have a substituent; W1 represents a divalent organic group having 2 to 20 carbon atoms and no aromatic ring, and a methylene group constituting the organic group is optionally substituted with an oxygen atom or a carbonyl group; and W2 represents a divalent organic group having 6 to 80 carbon atoms and at least one or more aromatic rings. This invention provides: an organic film material being excellent in film formability and enabling high etching resistance and excellent twisting resistance and filling property; a patterning process using this material; and a polymer suitable for such an organic film material.
Abstract: When the rotation direction of a motor is determined by a connection determination unit not to match a rotation command, the phase sequence of a current detection signal and the phase sequence of a voltage command are changed by a phase sequence change unit, or the positive/reverse polarity of an encoding signal outputted from an encoder is inverted by the phase sequence change unit, whereby the rotation direction of the motor controlled by a motor control device can match the rotation command.
Abstract: Provided is a machine tool control device that can realize a desired scrap length while suppressing deterioration in machining accuracy. This control device 1 is for a machine tool which performs machining while causing a tool and a workpiece to oscillate relative to each other, the control device 1 being provided with: an oscillation command generation unit 13 for generating an oscillation command on the basis of an oscillation condition; an oscillation command correction unit 14 for correcting the oscillation command so that main-axis phases in given oscillation phases are not identical to each other; and a position/speed control unit 18 for causing the tool and the workpiece to oscillate relative to each other on the basis of a superposition command generated by superposing the oscillation command corrected by the oscillation command correction unit 14 on a movement command.
Abstract: A sensor unit has sensors for measuring the components of a culture medium in a culture vessel, and comprises a plurality of sensors and a linking portion. The plurality of sensors each have a main body and a sensing unit disposed on the lower end side of the main body and immersed in the culture medium to measure the components of the culture medium. The linking portion links the plurality of sensors on the upper end side of the main body.
Abstract: The present invention provides an electrolyte solution for a non-aqueous electrolyte solution battery capable of exhibiting excellent high-temperature cycle characteristics and excellent high-temperature storage characteristics at high temperature of 60° C. or above, and a non-aqueous electrolyte solution battery using the same. The electrolyte solution for a non-aqueous electrolyte solution battery of the present invention comprises at least: a non-aqueous solvent; a solute; at least one first compound represented by the following general formula (1); and at least one second compound represented by the following general formula (2).