Atsushi Watanabe 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 robot system according to an embodiment includes one or more processors. The processors acquire first input data predetermined as data affecting an operation of a robot. The processors calculate a calculation cost of inference processing using a machine learning model for inferring control data used for controlling the robot, on the basis of the first input data. The processors infer the control data by the machine learning model set according to the calculation cost. The processors control the robot using the inferred control data.
Abstract: A liquid surface imaging device includes an irradiator including a plurality of lightings, the irradiator configured to irradiate a liquid surface in a nozzle of a liquid discharge head with lights emitted from the plurality of lightings, and an imaging device configured to image the liquid surface. The plurality of lightings is arranged point-symmetrically with a center of the irradiator as a point of symmetry.
August 27, 2020
March 4, 2021
Yuta Moriwaki, Atsushi Yamamoto, Taku Hatakeyama, Takashi Watanabe
Abstract: A spectroscopic detector includes a lamp house, a sample cell, an optical sensor, a heater, a cooling fan, a temperature sensor, and a control device. The heater heats the lamp house while being directly or indirectly in contact with the lamp house containing a light source. The cooling fan is for cooling the lamp house. The temperature sensor is for detecting a temperature of the lamp house. The control device is configured to control operations of the light source, the heater, and the cooling fan. The control device includes a temperature control part configured to maintain a temperature of the lamp house while the light source is lit at a set temperature by controlling at least output of the heater based on a detection signal of the temperature sensor.
Abstract: According to one embodiment, a semiconductor memory device includes a housing and terminals. The housing has a first end edge extending in a first direction and a second end edge opposite to the first end edge. The terminals include signal terminals and include first terminals, second terminals, and third terminals. The first terminals are arranged in the first direction at a position close to the first end edge. The second terminals are arranged in the first direction with intervals at a position closer to the first end edge than the second end edge. The first plurality of terminals are closer to the first end edge than the second plurality of terminals are. The third terminals are arranged in the first direction with intervals at a position closer to the second end edge than the first end edge.
Abstract: It is desirable to provide a technology capable of improving reliability in light transmission and convenience at the time of connecting a transmission device to a cable with a simple circuit configuration. A transmitting device is provided which includes a connector receptacle unit connected to an optical-electrical composite cable, in which the connector receptacle unit includes a first electrode group, a second electrode group provided at a position rotated from the first electrode group by 180 degrees about a center of a main body of the connector receptacle unit as a reference, a first connection unit group for transmitting optical signals, and a second connection unit group for transmitting optical signals provided at a position rotated from the first connection unit group for transmitting optical signals by 180 degrees about the center of the main body of the connector receptacle unit as a reference.
Abstract: Provided are a lithographic printing plate precursor including: a hydrophilized aluminum support, and a water-soluble or water-dispersible negative type image recording layer provided on the aluminum support, in which an arithmetic average height Sa of a surface of an outermost layer on a side opposite to a side where the image recording layer is provided is in a range of 0.3 ?m to 20 ?m; a method of producing the lithographic printing plate precursor; a lithographic printing plate precursor laminate formed of the lithographic printing plate precursor; and a lithographic printing method.
Abstract: To provide a disc brake having a planetary gear reduction mechanism that may be satisfactory costly and achieve improved reliability, a planetary gear reduction mechanism of a disc brake according to the present disclosure includes a sun gear having an input gear portion to which rotation from a motor is transmitted and an output gear portion extending axially from a radial central region of the input gear portion, a plurality of planetary gears configured to mesh with the output gear portion of the sun gear, and an internal gear configured to mesh with each planetary gear, and the internal gear has a cylindrical support portion configured to rotatably support the sun gear. Accordingly, at the time of assembly, the axis of the sun gear and the axis of the internal gear may be arranged substantially concentrically, which may result in improved reliability and cost satisfaction.
Abstract: An obstacle determination device mounted on a mining work machine determines whether the state of the mining work machine is a state immediately after progressing or a normal travel state; selects, as a distance threshold provided to determine a non-obstacle, a starting distance threshold if in the state immediately after starting, or a normal distance threshold if in the normal travel state; extracts obstacle candidates on the basis of the result of comparison of the distance at which an obstacle candidate was initially detected with the distance threshold; selects a starting reflection intensity threshold if the state immediately after starting, or a normal reflection intensity threshold if in the normal travel state; excludes non-obstacles on the basis of the result of comparison of the reception strength of the reflection wave of the remaining obstacle candidates with the reflection intensity threshold; and outputs the remaining obstacle candidates as obstacles.
September 12, 2017
Date of Patent:
February 2, 2021
HITACHI CONSTRUCTION MACHINERY CO., LTD.
Abstract: A negative electrode for an electric device includes a silicon-containing alloy containing silicon and tin, a carbon cover layer including a carbon material and covering the silicon-containing alloy, and a negative electrode electric conducting additive. A ratio of an average particle diameter of the silicon-containing alloy to an average particle diameter of the carbon material is 240 or greater. The negative electrode for an electric device and an electric device using the negative electrode can improve cycle durability.
Abstract: An object is to provide a technology capable of realizing miniaturizing of a measurement unit in a distance measuring device. The distance measuring device including a light emitting unit that outputs measurement light, a polarization state control unit that controls polarization of the measurement light output from the light emitting unit, and an optical path switching element that selectively emits the measurement light controlled by the polarization state control unit, in which the polarization state control unit controls the polarization so as to emit the measurement light in a plurality of directions from the optical path switching element, and the optical path switching element receives reflected light with respect to an object of the measurement light emitted from the optical path switching element, the reflected light being used to measure a distance to the object.
Abstract: A toilet device is configured to be capable of performing toilet seat reverse face washing, in which a cleaning liquid is supplied onto a reverse face of a toilet seat and the reverse face is washed. When the toilet seat is placed in a non-closed state, the toilet device does not perform the toilet seat reverse face washing.
Abstract: A request information group optimization method for optimizing a request information group includes: inputting external information; analyzing the external information according to analysis conditions; estimating a customer information group based on an analysis result; optimizing the request information group by rearranging the request information group until the estimated customer information group satisfies optimization conditions; and linking a product ID in the request information group to existing information of the product ID that is obligated to be described and estimating information necessary for optimization using the existing information.
Abstract: The eddy current sensor for measuring the film thickness of a conductive film formed on a substrate includes a core made of a magnetic material that has a base portion, and outer legs provided to the base portion at both end portions in a first direction of the base portion respectively, an excitation coil that is arranged on the core and forms an eddy current in the conductive film, and a detection coil that is arranged on the core and detects the eddy current formed in the conductive film. The length of the base portion in the first direction is not less than the length of the base portion in a second direction that is substantially orthogonal to the first direction.
Abstract: A load drive system for driving a load supplied with power from a power line includes a control unit which controls switching between the power line and the load and a communication unit which communicates using voltage and current of the power line. When performing the switching, the control unit controls, based on a width of a transition period of the power-line current, the transition period being attributable to the switching, timing of the switching so as to move the transition period away from a center of a period corresponding to a symbol communicated by the communication unit.
Abstract: A light emitting device includes a light emitting element that emits light having a peak emission wavelength in a range of 365 to 500 nm, and a fluorescent member containing a resin and a fluorescent material having a composition represented by CasSrtEuuSivAlwNx wherein 0.05?s?0.995, 0?t?0.95, 0.005?u?0.04, 0.8?s+t+u?1.1, 0.8?v?1.2, 0.8?w?1.2, 1.8?v+w?2.2, and 2.5?x?3.2, and configured to be excited by the light from the light emitting element to emit light having a peak emission wavelength in a range of 620 to 670 nm. A content of the fluorescent material in the fluorescent member is in a range of 115 to 150 parts mass relative to 100 parts mass of the resin. The light emitting device is configured to emit light having a dominant wavelength in a range of 610 to 630 nm.
Abstract: A distance measurement device includes a light emission unit which is capable of emitting measurement light to be irradiated toward an object, a light reception unit configured to receive light from the object via an optical filter through which light having the same wavelength band as the measurement light passes, a distance calculation unit configured to calculate a distance to the object based on each charge amount obtained by accumulating a charge corresponding to the received light at a plurality of timings which are delayed by a predetermined phase with respect to emission timing of the measurement light, and an external light intensity calculation unit configured to calculate external light illuminance of external light illuminating the object at the spectral sensitivity of the optical filter based on the charge amounts acquired at the light reception unit and a reflectivity of the object.
Abstract: A composite diffuser plate capable of inhibiting luminance unevenness from occurring locally is described. The composite diffuser plate includes a first diffuser plate and a second diffuser plate arranged in this order from an incident side. At least one of the first diffuser plate and the second diffuser plate is composed of a random microlens array including multiple microlenses. The microlenses include a plurality of parameters defining a lens shape. At least one of the plural parameters is randomly distributed. The random microlens array causes a phase difference to be generated in transmitted light.
Abstract: A charged particle device includes an electron emitting part for emitting electrons, an electron irradiated part configured to be irradiated with the electrons emitted from the electron emitting part, a container part configured to evacuate an interior thereof and contain the electron irradiated part in the interior thereof, an electric wire containing part configured to be inserted from an outside of the container part via an insertion part provided in the container part to contain an electric wire through which electricity is conducted to the electron irradiated part contained in the container part, and an insertion-part-side protrusion part configured to surround the electric wire containing part and protrude from a vicinity of the insertion part on an inner wall of the container part to an interior of the container part.