Yuji Sakai 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: A piezoelectric element includes a support and a vibration unit disposed on the support. The vibration unit includes a piezoelectric film and an electrode film connected to the piezoelectric film to extract charges generated by deformation of the piezoelectric film. The vibration unit has a support region supported on the support, and a vibration region connected to the support region and floating from the support. The vibration unit outputs a pressure detection signal based on the charges. The vibration region includes a plurality of slits extending from a support region side toward a center of the vibration region and is in a state of being supported at both ends with respect to the support region.
Abstract: A honeycomb filter comprising a pillar-shaped honeycomb structure body having a porous partition wall and a plugging portion, wherein, in a pore diameter distribution of the partition wall, in the case where the pore diameter (µm) whose cumulative pore volume is 10% of the total pore volume is denoted by D10, the pore diameter (µm) whose cumulative pore volume is 50% of the total pore volume is denoted by D50, and the pore diameter (µm) whose cumulative pore volume is 90% of the total pore volume is denoted by D90, all of the following equations (1) to (6) are satisfied. 8 .4 ? ? m<D10 (1) 17 .5 ? ? m<D50<24 .0 ? ? m (2) D90<55 .2 ? ? m (3) logD90-logD10 / logD50 <0 .60 (4) logD90 / logD50 <1 .30 (5) logD50 / logD10 <1 .
Abstract: A machining apparatus includes a processor configured to control an actuator to move a tailstock in a first direction at a first speed, to detect a contact between the tailstock and a workpiece based on a change in an input amount to the actuator while the actuator is controlled to move the tailstock at the first speed, to control the actuator to stop moving the tailstock when the contact is detected, to control the actuator to move the tailstock by a first distance in a second direction, to control the actuator to move the tailstock in the first direction at a second speed lower than the first speed, and to control the actuator to stop moving the tailstock, when the input amount to the actuator becomes a value corresponding to the target pressing force while the actuator is controlled to move the tailstock at the second speed.
Abstract: A semiconductor memory device of an embodiment includes: a semiconductor layer extending in a first direction; a gate electrode layer containing at least one element selected from a group consisting of molybdenum (Mo), tungsten (W), ruthenium (Ru), and cobalt (Co); a first insulating layer provided between the semiconductor layer and the gate electrode layer; a charge storage layer provided between the first insulating layer and the gate electrode layer; a second insulating layer provided between the charge storage layer and the gate electrode layer; a third insulating layer provided between the second insulating layer and the gate electrode layer; and a metal oxide layer provided between the third insulating layer and the gate electrode layer and containing at least one first metal element selected from a group consisting of titanium (Ti), molybdenum (Mo), tungsten (W), and tantalum (Ta).
Abstract: The purpose of the present invention is to obtain an ethylene??-olefin?non-conjugated polyene copolymer that has a low permanent compression set at low temperatures, is flexible, and has an excellent balance of rubber elasticity at low temperatures and tensile strength at normal temperatures. This ethylene-based polymer is an ethylene??-olefin?non-conjugated polyene copolymer that includes units derived from ethylene (A), units derived from an ?-olefin (B) containing 4-20 carbon atoms, and units derived from a non-conjugated polyene (C) and satisfies (1)-(4). (1) The molar ratio of (A) to (B) is 40/60-90/10, (2) the contained amount of the units derived from (C) is 0.1-6.0 mol %, (3) ML(1+4) 125° C. is 5-100, and (4) the B value is 1.20 or more.
Abstract: There is provided a therapy selection support device that generates a discriminator (identifier) as a diagnostic marker or a classifier as a stratification marker through machine learning on the basis of measurement data on brain activities and that uses the discriminator or the classifier as a biomarker. A therapy selection support system 300a, 300b, 500 includes a clustering device 300b that executes stratification in which the results of measurement of brain functional connectivity correlation values acquired from a plurality of second subjects are divided into a plurality of clusters through a clustering process.
July 15, 2021
September 14, 2023
ADVANCED TELECOMMUNICATIONS RESEARCH INSTITUTE INTERNATIONAL, HIROSHIMA UNIVERSITY, SHIONOGI & CO., LTD.
Abstract: A haul vehicle management system includes: a three-dimensional data acquisition unit that acquires three-dimensional data outside an outline of a traveling area where a haul vehicle can travel; and a course data generation unit that generates a traveling course of the haul vehicle on the basis of outer shape data of the haul vehicle and the three-dimensional data, the traveling course being set in the traveling area.
Abstract: The vehicle battery inspection device includes a circular ring-shaped rail 10; a vehicle stand 20 that is arranged inside the rail 10, on the vehicle stand 20 the vehicle can self-travel substantially along the axial direction of the rail 10; a vehicle stand driver 30 that movably supports the vehicle stand 20; an X-ray source 40 configured to be movable along a circumferential direction of the rail 10 and irradiates the vehicle on the vehicle stand 20 with X-rays; an X-ray detector 50 configured to be movable in synchronization with the X-ray source 40 along the circumferential direction while being held in an orientation facing the X-ray source 40 and detects the X-rays to output an X-ray CT image of the battery; and a controller 90 which controls the vehicle stand driver 30 to arrange the battery at a location of inspection with the X-rays.
Abstract: The present invention is to provide a charge/discharge control system and a charge/discharge control method capable of performing, in real time, highly accurate analysis of an internal state of a battery that is actually operating in a vehicle, and capable of performing control on the battery with a high accuracy based on the analysis, for improvement of safety. A battery charge/discharge control system 1 includes: an image acquirer 10 arranged in an inside of a battery 100 configured as a liquid battery, and configured to capture an image of the inside of the battery 100; a transferer 30 configured to transfer data of the image captured by the image acquirer 10 and a control signal; and controllers 14 and 50 configured to perform charge/discharge control on the battery based on the data of the image transferred from the transferer 30.
Abstract: A substrate processing apparatus includes: a rotary holder configured to hold and rotate a substrate; a cup arranged so as to surround the substrate held by the rotary holder; a coating liquid nozzle configured to inject a coating liquid onto the substrate; a removal liquid nozzle configured to inject, onto the substrate, a removal liquid for removing a film from a peripheral portion of the substrate; a nozzle tracking camera attached to a nozzle arm that holds the coating liquid nozzle so as to track the coating liquid nozzle and configured to capture an image of the coating liquid nozzle; and a processing space camera configured to capture an image of a processing space above the rotary holder.
Abstract: An expansion/contraction amount calculation device 1 calculates an amount of deformation of an electrode by calculating an amount of expansion/contraction of the electrode based on 3D data of the electrode. The expansion/contraction amount calculation device 1 includes a controller 10 including: a feature point identifier 11 configured to identify a feature point from arrangement information regarding a piece of an active material, the arrangement information being included in the 3D data; a coordinate generator 12 configured to generate, based on relative positional information regarding the feature point, a coordinate system for calculation of the amount of deformation; and a calculator 14 configured to calculate, by comparing first 3D data with second 3D data, the amount of expansion/contraction of the electrode and the amount of deformation of the electrode.
Abstract: A piezoelectric element includes a plurality of vibration regions that are separated from each other by a slit, and the slit is formed to have a tapered portion that is tapered from a first surface of the vibration regions on an opposite side to a support to a second surface opposite to the first surface. An electrode film is positioned inside than the slit when being viewed from a normal direction orthogonal to the first surface, and an angle formed by a side surface of the tapered portion in the vibration region and a surface parallel to the first surface is in a range of 39 to 81 degrees.
Abstract: To accurately detect the moving state of secondary atomic ions at the time of targeted voltage application and the moving state of secondary atomic ions due to diffusion. An ion movement measuring device includes a test specimen and a detector. The test specimen has a first electrode, a second electrode, and an electrolyte disposed between them. The first electrode and the second electrode each have a layer of an identical element, and have the identical potential in a state where no voltage is applied from outside the test specimen. At least the first electrode contains second atoms being isotopes of first atoms at an abundance ratio higher than a natural abundance ratio of the second atoms, the first atoms being present at a highest natural abundance ratio in the element. The detector detects some of ions of the first atoms and the second atoms, which are discharged from the electrolyte.
Abstract: To detect the state of a slurry during stirring without exposure to the atmosphere and with high accuracy. A stirring tank stores a slurry for a battery without exposure to the atmosphere. A stirring device stirs the slurry in the stirring tank. An observation container is coupled to the stirring tank. A circulation device circulates the slurry between the stirring tank and the observation container without exposure to the atmosphere. A detection device detects the state of the slurry by irradiating the slurry in the observation container with X-rays and detecting the X-rays transmitted through the slurry.
Abstract: A steer-by-wire rudder system includes a first system having a first motor unit that drives a rudder mechanism and a first control unit that controls the first motor unit, and a second system having a second motor unit that drives the rudder mechanism and a second control unit that controls the second motor unit. The first control unit and the second control unit perform cooperative control for controlling the first motor unit and the second control unit to cooperate with each other. When the cooperative control is not performed, one of the control of the first motor unit by the first control unit and the control of the second motor unit by the second control unit continues, and the other thereof stops.
Abstract: A method of improving corrosion resistance of a cylinder cover including a port that is an intake port or an exhaust port. The cylinder cover is configured such that an annular cooling water passage is formed between an inner peripheral surface of the port and a valve seat ring when the valve seat ring is inserted in the port. The method includes forming a weld overlay layer on each of sealed regions of the inner peripheral surface of the port by laser metal deposition using a welding material made of a nickel-based alloy, a copper alloy, stainless steel, or a titanium alloy, the sealed regions being positioned at both sides of the cooling water passage, respectively.
Abstract: A dilator, dilating a narrowed part of a paranasal sinus, includes an end effector, and the end effector includes a pair of treatment pieces openable and closable relative to each other. Each of the treatment pieces includes a treatment surface facing a side on which the treatment piece opens, and each of the treatment surfaces includes an inclined surface inclined to be closer to a side on which the treatment piece closes as a distance to a distal end of the treatment piece decreases. The pair of inclined surfaces become parallel or substantially parallel to each other when the treatment pieces are opened to a maximum angle. The end effector opens anisotropically.
Abstract: A semiconductor storage device includes: a plurality of conductive layers arranged in a first direction; a semiconductor layer extending in the first direction and facing the plurality of conductive layers; a charge storage layer provided between the plurality of conductive layers and the semiconductor layer; a first structure disposed apart from the semiconductor layer in a second direction intersecting the first direction, extending in a third direction intersecting the first direction and the second direction, and facing the plurality of conductive layers; and a plurality of first nitride films containing nitrogen (N), and covering surfaces of the plurality of conductive layers facing the first structure.
Abstract: The disclosed technology is directed to an endoscopic system comprises an endoscope having a shank and a photodetector engaged with one another and having an optical axis in a direction transverse to the shank. A display device for displaying an image acquired through the photodetector. A first probe is disposed in the endoscope on or around the optical axis at a position off the shank. A second probe is disposed in the endoscope at or near a position where the shank and the optical axis intersect with each other. A sensor for detecting the position of the first probe and the position of the second probe and a controller. The controller is configured to establish a first reference direction in an actual space. To acquire a direction from the second probe toward the first probe and to perform a process for indicating the first reference direction to a user.
Abstract: There is provided a maintenance apparatus including: an acquisition unit configured to acquire a plurality of test results, for each of a plurality of jigs, in a case where a plurality of devices under measurement, which are different from each other, are sequentially tested via the plurality of jigs; a calculation unit configured to calculate a variation in test results, for each jig, by using the plurality of test results; and a determination unit configured to determine maintenance timing of the jig based on the variation in the test results.