baber/WOPTO huggingface dataset:
Patent JP-2019206926-A (JP)
Title: Stirling engine
Inventor: KITAZAKI MASATO
IPC: F02G1/05
Filed: 2018-05-29
Abstract: To provide a stirling engine that can suppress overheat of a heating part when being driven with waste heat as a heat source.SOLUTION: A stirling engine includes: a crank case 13 rotatably supporting a crank shaft 12 that is connected to a displacer piston 3 and a power piston 4; a heater 8 exposed to a heat source part; a temperature sensor that detects the temperature of the heater 8; an output sensor that detects the output of the engine; a first communication path 71 that is in communication with a compression space 6 and the crank case 13; a first opening/closing valve 72 provided in the first communication path 71; a control part that controls opening and closing of the first opening/closing valve 72; and a check valve 73 that is provided in parallel with the first opening/closing valve 72 and has a forward direction that is the direction heading toward the compression space 6 from the crank case 13. The control part opens the first opening/closing valve 72 until the output becomes equal to or smaller than a lower limit output that is smaller than the rated output, when the heater temperature based on the detected temperature of the temperature sensor becomes lower than an upper limit temperature and the output based on the detected output of the output sensor becomes equal to or larger than an upper limit output that is larger than the rated output.SELECTED DRAWING: Figure 1
Patent JP-2019210841-A (JP)
Title: Turbine blade and gas turbine
Inventor: MIURA TAKEMITSU
IPC: F01D7/00
Filed: 2018-06-04
Abstract: To provide a turbine blade of high performance, reduced in pressure loss, in a turbine blade having a movable structure capable of adjusting a blade throat area.SOLUTION: In a turbine blade including a blade portion having a front edge, a rear edge, a pressure surface and a negative pressure surface, and an end wall connected to both ends of the blade portion, the blade portion has an airfoil portion having the front edge, the pressure surface and the negative pressure surface, and a blade rear edge portion fitted to the airfoil portion and movable along a fitting surface to the airfoil portion. The turbine blade adjusts a minimum flow channel area between the blade portions in a turbine in which the plurality of turbine blades are arranged in a circumferential direction, according to a moving amount of the blade rear edge portion.SELECTED DRAWING: Figure 5
Patent JP-2019213150-A (JP)
Title: Image reading device
Inventor: YAMAGAMI YUI
IPC: G03G21/00
Filed: 2018-06-08
Abstract: To perform, when an image reading device is in a power-saving mode, display that is easy to see for a user with a reduced frequency of its re-writing.SOLUTION: On a top face of a body 50, there is provided a platen cover 51 covering an upper side of a document placement surface when a document P is read in such a manner. In the image forming apparatus 1, an electronic paper 18 is provided on an under surface of the platen cover 51. A control performed by a control unit for the electronic paper 18 is performed according to the state of opening or closing of the platen cover 51, and thus an open and close sensor is provided for recognizing the opening and closing of the platen cover 51. The control unit can display various types of information or figures on the electronic paper 18.SELECTED DRAWING: Figure 2
Patent JP-2019216035-A (JP)
Title: Resin collector, lamination type resin collector, and lithium ion battery
Inventor: IKEDA YOSHIHIRO
IPC: H01M4/66
Filed: 2018-06-13
Abstract: To provide a resin collector comprising a liquid oozing prevention property and a resistance property, and having a formation property sufficient to be thin-filmed.SOLUTION: A resin collector is formed by a conductive resin composition containing a polyolefin resin and two kinds of conductive carbon fillers. The conductive carbon fillers are made of: a first conductive carbon filler (A1) as graphite or carbon black; and a second conductive carbon filler (A2) as a carbon nano-tube of which a specific surface area is 35 to 300 m/g. A total surface of the first conductive carbon filler (A1) contained in 1 g of the resin collector is 0.5 to 9.0 m, and a weight ratio of the first conductive carbon filler (A1) is 30 wt.% or less for the weight of the resin collector.SELECTED DRAWING: None
Patent JP-2019220280-A (JP)
Title: Porous layer and laminate separator for nonaqueous electrolyte secondary battery
Inventor: OGATA TOSHIHIKO
IPC: H01M50/491
Filed: 2018-06-15
Abstract: To provide a porous layer or a laminate separator for a nonaqueous electrolyte secondary battery, which is thinner, in thickness, than that in the prior art, but is at the same or higher level as that achieved in the prior art in heat resistance and battery characteristic.SOLUTION: A porous layer according to an embodiment of the present invention comprises a heat-resistant resin and an inorganic material. The content of the heat-resistant resin that the porous layer contains is 40 wt% or more and 80 wt% or less. The porous layer has a thickness of 0.5 μm or more and less than 8.0 μm. The inorganic material has an average particle diameter of 0.15 μm or less.SELECTED DRAWING: None
Patent JP-2019219298-A (JP)
Title: Optical frequency division multiplexed coherent otdr, testing method, signal processing device, and program
Inventor: IIDA HIROYUKI
IPC: G01M11/02
Filed: 2018-06-20
Abstract: To provide an optical frequency division multiplexed coherent OTDR, a testing method, a signal processing device and a program with which, even though a DFB laser is used, it is possible to maintain a comparable spatial resolution as when a fiber laser or an external resonance laser is used.SOLUTION: An OTDR pertaining to the present invention comprises: light incidence means for changing the optical frequency of light from a light source every prescribed time at a prescribed frequency interval and generating a test light pulse, and sequentially inputting the test light pulse to an optical fiber under test; light reception means for coherently detecting back-scattered light from the optical fiber under test using light from the light source as local light and acquiring a received signal; and computation means for separating the received signal for each prescribed frequency, squaring the respective amplitudes of frequency-separated signals and generating a squared value, compensating for a delay time respectively when the test light pulse is inputted to the optical fiber under test and obtaining an arithmetic mean after applying Wiener-filter processing to the squared value.SELECTED DRAWING: Figure 1
Patent JP-2018148237-A (JP)
Title: Semiconductor device and transistor
Inventor: KUWABARA HIDEAKI
IPC: H01L27/11521
Filed: 2018-06-21
Abstract: PROBLEM TO BE SOLVED: To provide a highly reliable semiconductor device using an oxide semiconductor.SOLUTION: A semiconductor device includes a laminate structure including an oxide semiconductor layer and an insulating layer which is in contact with the oxide semiconductor layer. The oxide semiconductor layer comprises: a first layer in which a channel is formed; and a second layer which is provided between the first layer and the insulating layer, and has energy at a bottom of a conduction band in the second layer is closer to vacuum level than energy at a bottom of a conduction band in the first layer. In the above-mentioned, the second layer functions as a barrier layer which suppresses the formation of defect level between the insulating layer in contact with the oxide semiconductor layer and a channel. The first layer and the second layer each have an ultrafine crystal portion in such an extent that no periodicity is observed in an atomic arrangement macroscopically or such an extent that no long-distance order is observed macroscopically. For example, the layers have a crystal portion in which a periodicity is observed in the atomic arrangement in a range of 1 nm or more and 10 nm or less.SELECTED DRAWING: Figure 1
Patent JP-2019219556-A (JP)
Title: Voice recognition support system
Inventor: KATO YOSHINORI
IPC: G10L15/20
Filed: 2018-06-21
Abstract: To improve S/N ratio by removing a stationary noise in addition to a time-varying noise and increase a voice recognition rate of a target voice signal even when the level of the input target voice signal is low.SOLUTION: An input AGC processing unit 3, a subtractive beamforming processing unit 4, a time-varying noise spectrum estimation processing unit 6, a stationary noise spectrum estimation processing unit 7, a target voice signal extraction processing unit 9, a target voice section detection processing unit 10 and an output AGC processing unit 13 are included. The stationary noise spectrum estimation processing unit 7 operates in a noise section detected by the target voice section detection processing unit 10.SELECTED DRAWING: Figure 1
Patent JP-2019220620-A (JP)
Title: Electromagnetic wave shield sheet and printed wiring board
Inventor: KISHI HIROMASA
IPC: H05K1/02
Filed: 2018-06-21
Abstract: To provide an electromagnetic wave shield sheet which is excellent in solder reflow resistance and crack resistance, allows reliable grounding even for small-aperture vias, and has a high electromagnetic wave shield property even when used in a high-frequency transmission circuit.SOLUTION: The electromagnetic wave shield sheet comprises a protective layer, a metal layer, and a conductive adhesive layer. The metal layer has multiple apertures. The average of the circularity coefficient of the apertures obtained by a mathematical expression (1) is 0.5 or more. The numerical aperture of the metal layer is 0.1-20%.SELECTED DRAWING: Figure 1
Patent JP-2020005110-A (JP)
Title: Image encoding device, image encoding method and program, image decoding device, image decoding method and program
Inventor: KAWAGUCHI OSAMU
IPC: H04N19/157
Filed: 2018-06-27
Abstract: To solve the problem in which, in the conventional coding method, the sub-block division was limited to a square, so that, if a rectangular sub-block division is performed, there were cases where it was not possible to uniquely determine whether to encode a quantization parameter.SOLUTION: By adaptively using a quantization control size according to a shape of a sub-block, control of coding of a quantization parameter is appropriately enabled for rectangular sub-blocks as well as square sub-blocks so that coding efficiency is improved.SELECTED DRAWING: Figure 1
Patent JP-2020000538-A (JP)
Title: Game machine
Inventor: WATANABE NAOYUKI
IPC: A63F7/02
Filed: 2018-06-28
Abstract: To increase a performance interest.SOLUTION: When a variation display of a normal variation (normal variation 1, normal variation 2) is performed, a general control unit 151 outputs a variation sound related to the normal variation from a sound output device 32. When a customer waiting state is controlled after a stop display of the normal variation is performed, the variation sound related to the normal variation is continuously output from the sound output device 32 even in the customer waiting state. Output of a predetermined performance sound is stopped after a predetermined time elapses regardless of operation of operation means (performance button 35, cross button 36) when the variation sound is continuously output.SELECTED DRAWING: Figure 61
Patent JP-2020002315-A (JP)
Title: Coating agent and surface coated member
Inventor: MARUYAMA YUYA
IPC: B32B27/40
Filed: 2018-06-29
Abstract: To provide a coating agent capable of enhancing impact resistance of a substrate consisting of a resin, and a surface coated member manufactured by using the coating agent.SOLUTION: A coating agent contains an A component consisting of urethane (meth)acrylate having an isocyanuric ring skeleton of 3 to 30 pts.mass, a B component consisting of tri(meth)acrylate having the isocyanuric ring skeleton, and no urethane bond of 35 to 45 pts.mass, a C component consisting of polyfunctional (meth)acrylate having (meth)acryl equivalent of 80 to 200 of 5 to 50 pts.mass, a D component consisting of (meth)acrylate with weight average molecular weight of 10000 to 30000 of 20 pts.mass or less, an E component consisting of colloidal silica having a maleimide group of 50 pts.mass or less, and an F component consisting of a radical polymerization initiator. Content of the F component is 0.1 to 10 pts.mass based on total 100 pts.mass of the A component to the E component.SELECTED DRAWING: None
Patent JP-2018160695-A (JP)
Title: Electron beam-processing machine
Inventor: IWAMI TAIZO
IPC: H01L21/027
Filed: 2018-07-05
Abstract: PROBLEM TO BE SOLVED: To provide an electron beam-processing machine which achieves good responsiveness of a deflection system including a deflection power source, a deflector, etc. which operate according to a command value of a beam irradiation position.SOLUTION: An electron beam-processing machine comprises: a deflector 4 for electromagnetically deflecting an electron beam 2 generated by an electron gun 1 and converged by a focusing lens 3; and a deflection power source 7 which drives the deflector 4 on receipt of a signal from a signal generator 5 for ordering a deflection amount of the electron beam 2. The electron beam-processing machine is arranged so that a directing position on a workpiece 9 to direct the electron beam 2 at is scanned according to electromagnetic deflection by the deflector 4. In the electron beam-processing machine, the deflection power source 7 and the deflector 4 are included in a deflection system which has two deflection systems consisting of a main deflection system and a sub-deflection system. The main deflection system is driven by a step-feeding signal to order a deflection amount of the scan; and a cutoff frequency of the sub-deflection system is higher than a cutoff frequency of the main deflection system.SELECTED DRAWING: Figure 25
Patent JP-2020007604-A (JP)
Title: Additional manufacturing method and additional manufacturing system
Inventor: YAMAMOTO SETSU
IPC: B33Y50/02
Filed: 2018-07-06
Abstract: To accurately and efficiently manufacture a structure while checking presence or absence of defects in an additional manufacturing technique.SOLUTION: An additional manufacturing method for manufacturing a structure by laminating a plurality of layers from a top surface side one by one, includes a first layer forming step S11 forming a first layer; a second layer forming step S12 forming a second layer on the first layer; a surface layer inspection step S13 inspecting defects in a surface layer inspection region at a position which is in the first layer and is shallower than a position with a predetermined depth capable of inspection of the surface layer after the second layer forming step; a determination step S14 determining whether the re-inspection is required or not on the basis of an inspection result acquired in the surface layer inspection step S13; and a re-inspection step S15 re-inspecting the defects in the first and second layers when the determination step determines that the re-inspection is required.SELECTED DRAWING: Figure 9
Patent JP-2021165866-A (JP)
Title: Device and method for management, device and method for control, and system for management
Inventor: UCHIYAMA HIROMASA
IPC: B25J9/16
Filed: 2018-07-10
Abstract: To provide a device for management capable of reducing the rate of failure occurrence of a robot.SOLUTION: A device for management includes a device management section that sends preset information for managing the information about a status indicative of a state of a component constituting a robot at respective ones of a plurality of devices for control to each device for control, and a task assigning section that performs task assignment on each device for control based on an execution-determination result, which is a result of determining the possibility of task execution, sent from each device for control correspondingly to a content notification of a task to each device for control managing the information about a status based on preset information. The present technology is applicable to a system for task control to manage tasks for a plurality of robots.SELECTED DRAWING: Figure 9
Patent JP-2020006642-A (JP)
Title: Mold repair method and mold
Inventor: HAGA TAKESHI
IPC: B29C33/74
Filed: 2018-07-11
Abstract: To repair an uneven molding surface of a mold with high accuracy.SOLUTION: First, a repair material 2 is used to fill a damaged part that occurs on an uneven molding surface 1a of a mold 1. Next, a surface protruded by the repair material 2 is cut by an end mill 3 having a smaller diameter than that used when newly creating a mold, thereby reproducing the uneven molding surface 1a.SELECTED DRAWING: Figure 4
Patent JP-2020014973-A (JP)
Title: Defoaming agent composition
Inventor: GOTO MASUO
IPC: C11D1/72
Filed: 2018-07-23
Abstract: To provide a defoaming agent usable in a field of waste water treatment even without containing a silicone-based compound such as polydimethylsiloxane, and to provide a defoaming agent having a high defoaming effect to foaming caused by a surface active agent.SOLUTION: A defoaming agent composition contains polyether amine in which a terminal of polyether is sealed with an amino group (-NH), in which the polyether amine is a compound having a structure represented by general formula (1). In general formula (1), xis a number of 30 or more and 200 or less; and Ris a hydrogen atom or a methyl group, and Rmay be different from each other.SELECTED DRAWING: None
Patent JP-2020017341-A (JP)
Title: Ignition device
Inventor: WAKASUGI RYOTA
IPC: H01T13/20
Filed: 2018-07-23
Abstract: To provide an ignition device with an auxiliary chamber, achieving an improvement in ignitability and a reduction in manufacturing cost.SOLUTION: An ignition device 1 includes a spark plug 20 in an auxiliary chamber formation part 10 that forms an auxiliary chamber 11. The spark plug 20 is configured to generate spark discharge along the tip outer surface 132 of an insulator 13 between a tip 141 of a center electrode 14 and a tip 121 of a housing 12 by applying voltage to the center electrode 14. The spark discharge is configured to be formed at least in an opposing area R opposing an axis 10a of the auxiliary chamber formation part 10 on the tip outer surface 132 of the insulator 13.SELECTED DRAWING: Figure 3
Patent JP-2020015199-A (JP)
Title: Thermal expansion sheet, method for producing thermal expansion sheet and shaped article
Inventor: TAKAHASHI HIDEKI
IPC: B41M5/26
Filed: 2018-07-24
Abstract: To provide a thermal expansion sheet capable of removing a thermal expansion layer after use, a method for producing a thermal expansion sheet and a shaped article.SOLUTION: There is provided a thermal expansion sheet 10 which comprises an intermediate layer 12 provided on one surface of a base material 11 and a thermal expansion layer 13 containing a thermally expandable material which is provided on the intermediate layer 12. The intermediate layer 12 is peelably bonded to the base material 11. In the thermal expansion sheet 10, the thermal expansion layer 13 is expanded using a thermal conversion layer to produce a shaped article. Further, after using the shaped article, the intermediate layer 12 and the thermal expansion layer 13 can be removed from the base material 11 by peeling the intermediate layer 12 from the base material 11.SELECTED DRAWING: Figure 1
Patent JP-2020022239-A (JP)
Title: Power conversion device
Inventor: URYU YUTA
IPC: H01L23/48
Filed: 2018-07-31
Abstract: To provide a power conversion device that is reduced in size by reducing an occupied area of a bus bar module in a direction parallel to a mounting surface of a housing.SOLUTION: The power conversion device includes: a plurality of power conversion components; a bus bar module 20 for connecting two of the plurality of power conversion components; and a housing having a mounting surface to which the bus bar module 20 is mounted. The bus bar module 20 includes: a plurality of terminals 302 electrically connected to each of the two power conversion components; and a conductive unit provided for electrically connecting the plurality of terminals. The conductive unit has an inclined portion inclined with respect to the mounting surface in a state where the bus bar module is mounted to the mounting surface.SELECTED DRAWING: Figure 6
Patent JP-2020018191-A (JP)
Title: Filament agitation culture device for seaweed
Inventor: KITANO KIYOSHI
IPC: C12M1/02
Filed: 2018-07-31
Abstract: To prevent damage applied to seaweed, suppressing seaweed being a filament from becoming an aggregate, and agitating the seaweed efficiently for improving a culture efficiency in culture of seaweed.SOLUTION: The invention comprises: a substantially cylindrical water tank into which seaweed being a culture object and a culture liquid are poured, and in which agitation culture of the seaweed can be performed, which is rotatable; an inside impeller mechanism which is fixed to inside of the water tank, whose diameter is smaller than that of the water tank, whose height is lower than that of the water tank, and which is fixed independently from the rotation of the water tank; and a plate-shaped water flow generation blade which protrudes to a center of the water tank in an inner peripheral face of the water tank. The inside impeller mechanism comprises: a substantially cylindrical upper impeller mechanism; and a lower impeller mechanism which has two opening parts on opposite positions on a substantially cylindrical peripheral face. The lower impeller mechanism has an inflow blade which protrudes from the opening to the side part, the inside impeller mechanism has an upper end which is fixed to outside of the water tank through a pole, at a plurality of parts on eccentric positions to a center of the water tank.SELECTED DRAWING: Figure 4
Patent JP-2020018474-A (JP)
Title: Pupil estimation device and pupil estimation method
Inventor: OGAWA KANAME
IPC: A61B3/10
Filed: 2018-07-31
Abstract: To provide a technology to estimate a pupil center position efficiently.SOLUTION: A pupil estimation device 12 includes a peripheral point detection unit, a position calculation unit, a first calculation unit, and a second calculation unit. The peripheral point detection unit detects a plurality of peripheral points indicating an outer edge of the eye from a captured image in S11. The position calculation unit calculates a reference position by using the plurality of peripheral points in S12. The first calculation unit calculates a difference vector indicating a difference between a pupil center position and the reference position by using a regression function for which the reference position and the brightness of a predetermined region of the captured image are used in S13-S18. The second calculation unit calculates the pupil center position by adding the difference vector calculated by the first calculation unit to the reference position in S19.SELECTED DRAWING: Figure 6
Patent JP-2018185541-A (JP)
Title: Semiconductor device
Inventor: OIKAWA YOSHIAKI
IPC: G02F1/1368
Filed: 2018-08-02
Abstract: PROBLEM TO BE SOLVED: To provide a display device including a capacitor whose charge capacity can be increased while having a high aperture ratio, provide a display device including a capacitor whose charge capacity can be increased while having a high transmittance of a pixel portion, and provide a display device which consumes low power.SOLUTION: The display device includes a transistor including a first oxide semiconductor film in a channel formation region, a second oxide semiconductor film formed on the same surface as the first oxide semiconductor film, a pixel electrode electrically connected to the transistor, and a light-transmitting capacitor in which a dielectric film is provided between a pair of electrodes. One of the pair of electrodes is the second oxide semiconductor film, and the other is the pixel electrode. The second oxide semiconductor film has a smaller thickness than the first oxide semiconductor film.SELECTED DRAWING: Figure 3