baber/WOPTO huggingface dataset:
Patent JP-2023117861-A (JP)
Title: Question creation support method and question creation support device
Inventor: YOSHIHARA TAKESHI
IPC: G09B7/07
Filed: 2022-02-14
Abstract: To support the creation of test questions that are more suitable for viewers taking online lectures.SOLUTION: A question creation support method is performed by a question creation support system including one or more computers connected to be able to communicate with a plurality of viewer terminals used by N (N: an integer greater than or equal to 2) respective viewers who view an online video. The question creation support method includes: transmitting a video specified by a distributor who distributes the online video to the viewer terminals; obtaining indexes indicating viewing statuses of the viewers who view the video on the viewer terminals, and creating test questions relating to the online video based on the obtained indexes.SELECTED DRAWING: Figure 1
Patent JP-2023118587-A (JP)
Title: Grass mower
Inventor: SATO SHINSUKE
IPC: A01B69/00
Filed: 2022-02-15
Abstract: To provide a grass mower capable of suppressing deterioration in accuracy of self-position estimation in executing automated traveling.SOLUTION: A grass mower 10 includes: a grass mower body having a cutting blade part for mowing grass; a first position estimation part for estimating a self-position of the grass mower body using a satellite positioning system; a second position estimation part for estimating a self-position of the grass mower body using a sensor part provided in the grass mower body; a detection part for detecting a portion covered with vegetation in a preset traveling passage; and an automated traveling control part for referring to the self-position estimated by the first position estimation part and causing the grass mower body to travel on the traveling passage, and for executing switching so as to refer to the self-position estimated by the second position estimation part, and causing the grass mower body to travel in the portion 66 (66A and 66B) covered with vegetation detected by the detection part.SELECTED DRAWING: Figure 6
Patent JP-2022070976-A (JP)
Title: Camera module
IPC: H04N5/232
Filed: 2022-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a camera module that effectively prevents hand-shaking. 
     SOLUTION: A lens driving device comprises: a housing including a first housing and a second housing; a barrel disposed in the first housing; a first elastic member coupling the barrel and the first housing; a first coil disposed outside the barrel; a magnet that is disposed on an inner surface of a side wall of the first housing and faces the first coil; and a second coil disposed between the magnet and the second housing. The second coil faces an undersurface of the magnet. The second coil interacts with the magnet, and moves the first housing and the magnet so that the first housing moves relative to the second housing in a horizontal direction. Width of the magnet is smaller than width of the second coil. A part of the second coil is disposed between the side wall of the first housing and the second housing. Length of the magnet is greater than length of the first coil. 
     SELECTED DRAWING: Figure 7 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022134108-A (JP)
Title: Support element for spacer, set of support element for spacer, and set of spacer
Inventor: LAURENT BUZON
IPC: E04G21/18
Filed: 2022-02-22
Abstract: To provide a support element for spacers which enables enlarging choice of geometry of a slab ro be applied.SOLUTION: In a support element (1) for spacers comprising a base (5) provided for being placed on a surface elevation pedestal, at least a first window (10-1) and a second window (10-2) having a curved shape are provided on the base, and each window is provided so as to mount one of the spacers in such a manner that the spacer can be freely moved in the window to which the spacer is mounted and can be guided by that window when being moved. The first and second windows each have a start section and a final section. The final section (10-1b) of the first window and the start section (10-2a) of the second window are juxtaposed to each other in such a manner that a linear axis starting from a center of the base and extending in a direction toward an outer boundary of the base crosses successively the final section of the first window and the start section of the second window.SELECTED DRAWING: Figure 3
Patent JP-2022186588-A (JP)
Title: Fine particle adsorbent and fine particle removal method
Inventor: KAWAKATSU TAKAHIRO
IPC: B01J39/05
Filed: 2022-02-22
Abstract: To provide a fine particle adsorbent and removal method that enable sufficient removal of fine particles from a solvent having a low water content.SOLUTION: The fine particle adsorbent is for adsorbing and removing fine particles from a solvent containing the fine particles. The fine particle adsorbent has a graft chain that is a negatively charged group. A polymer material that serves as a base material for the fine particle adsorbent is an aliphatic hydrocarbon, or an aliphatic hydrocarbon containing fluorine or chlorine. The method for removing fine particles from a solvent comprises bringing the fine particle adsorbent into contact with the solvent, thereby causing the fine particles in the solvent to be adsorbed by the fine particle adsorbent and to be removed from the solvent.SELECTED DRAWING: None
Patent JP-2023123133-A (JP)
Title: Method for manufacturing insulated circuit board, and joined body for insulated circuit board
Inventor: AOKI SHINSUKE
IPC: C04B37/02
Filed: 2022-02-24
Abstract: To provide a joined body suitable for being joined with a second metal layer and for production control.SOLUTION: A method for manufacturing an insulated circuit board includes: a joined body-forming step of forming a joined body 11 having a first metal layer 41A comprising aluminum or an aluminum alloy, on one surface 101 of an insulating substrate 10; an identification code-forming step of forming an identification code by a laser on a surface 411 of a first metal layer 11A of the joined body 11 opposite to the substrate 10; and a circuit board-forming step of bonding a copper plate 42 made of copper or a copper alloy to a surface 411 of a first metal layer 41A' with the identification sign by solid phase diffusion bonding to form an insulated circuit board having a second metal layer, wherein: at least a portion of the identification code is formed as a recess part in the identification code-forming step; and in the circuit board-forming step, a load is applied in a thickness direction of a laminate formed by having a copper plate 42 stacked on the first metal layer 41A' of the joined body 11' and the laminate is heated, to deform the recess part of the first metal layer 41A' and bond it to the second metal layer 42A.SELECTED DRAWING: Figure 2
Patent JP-2023124405-A (JP)
Title: Fracture prediction method, fracture prediction device, and fracture prediction program, and recording medium
Inventor: KATO RYOMA
IPC: G01N3/30
Filed: 2022-02-25
Abstract: To accurately predict a bending fracture in a case where a deformation path is changed between a present step and a previous step and the bending fracture occurs when the deformation analysis is performed over a plurality of simulation steps.SOLUTION: A fracture prediction device includes: a limit line creation part 1 for creating a fracture limit line in a stress space; a simulation part 2 for performing the coupled analysis of a plurality of deformation simulations; a conversion part 3 for determining the presence or absence of bending of a steel plate member using a plate thickness after the bending deformation and a surface layer strain component during deformation of the steel plate member based on an analysis result obtained by the simulation part 2, extracting an element determined to be a bending part and converting the bending outside surface layer strain component of the bending part into the maximum principal stress and the minimum principal stress of the surface layer; and a determination part 4 for determining the presence or absence of material fracture.SELECTED DRAWING: Figure 1
Patent JP-2023124712-A (JP)
Title: Rubber composition for tires and tire
Inventor: MIYAUCHI HIDEKI
IPC: C08L7/00
Filed: 2022-02-25
Abstract: To provide a rubber composition for tires which is excellent in processability and allows a tire to exhibit excellent wear resistance.SOLUTION: The rubber composition for tires contains a rubber component, carbon black, and a metal-containing cyclic compound represented by a predetermined formula. The carbon black has a cetyltrimethylammonium bromide adsorption specific surface area (CTAB) of 130 m2/g or more, a ratio (CTAB/IA) of the CTAB (m2/g) to an iodine adsorption (IA) (mg/g) of 0.92 or more and 1.06 or less, and a hydrogen release amount of 3,500 mass ppm or more and 4,800 mass ppm or less.SELECTED DRAWING: None
Patent JP-2022060598-A (JP)
Title: Electronic device, bathing management program, bathing management method, and hot water supply system
IPC: F24H15/196
Filed: 2022-02-28
Abstract: PROBLEM TO BE SOLVED: To improve safety of bathing without interfering with comfortability. 
     SOLUTION: The present invention comprises a control unit (40) that sends data, and a communication unit (18) that outputs data transmitted from the control unit to a smartphone (20) or a tablet terminal, and displays at least one of a bath setting temperature, a bath setting water level, a hot water supply temperature and a bath operation display on a display unit of the smartphone or tablet terminal that receives the transmitted data outside a bathroom. 
     SELECTED DRAWING: Figure 24 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023125745-A (JP)
Title: Holder for rod-like body and assembly using the same
Inventor: FURUSAWA KAZUO
IPC: B65D5/49
Filed: 2022-02-28
Abstract: To provide a holder for a rod-like body and an assembly using it, constituted by a plate made of paper, for holding the rod-like body while covering from a side opposite to the plate by folding the plate to raise an arm part in a thickness direction of the plate.SOLUTION: This holder comprises a back plate part 30 on which a rod-like body (for example, a toothbrush 20) can be placed, and a pair of side plate parts 40, 50 positioned on both sides of the back plate part 30 in a width direction, respectively. By cutting along an outline drawn by connecting tip parts of one vertical part and another vertical part to each other, arm parts 60 connected to the surfaces of the side plate parts 40, 50 via virtual segments 61 are formed. The arm part 60 is raised from one of the side plate parts 40, 50 by valley-folding the virtual segment 61, and the arm part 60 covers the toothbrush 20 placed on the back plate part 30 from a side opposite to the back plate part 30.SELECTED DRAWING: Figure 1
Patent JP-2023128834-A (JP)
Title: Secondary cell self-discharge inspection method and self-discharge inspection device
Inventor: MUROTA YOSUKE
IPC: G01R31/396
Filed: 2022-03-04
Abstract: To appropriately determine good and defective secondary cells in a manufacturing process.SOLUTION: A secondary cell self-discharge inspection device performs self-discharge inspection in a process to successively manufacture a plurality of secondary cells, and comprises a charge-discharge device, a voltage measurement device, and a control device that includes a computing device. The control device individually acquires a voltage difference ΔV that represents a change of secondary cell voltage before and after an aging step, calculates the moving average MA of a plurality of secondary cells including the relevant secondary cell whose voltage difference ΔV has been acquired and the voltage difference ΔV of other secondary cells that have been manufactured adjacent to the relevant secondary cell, calculates a difference DA between the moving average MA and the voltage difference ΔV of the relevant secondary cell, and compares the difference DA with a preset threshold Ta to determine whether being defective or not.SELECTED DRAWING: Figure 2
Patent JP-2023131470-A (JP)
Title: angle sensor
Inventor: KOMATSU MASAHIRO
IPC: G01D5/245
Filed: 2022-03-09
Abstract: To suppress noise involved with amplification of output of a sensor circuit and accurately measure an angle.SOLUTION: An angle sensor includes: a bridge circuit 1a as a sensor circuit including a magnetic resistance effect element; magnets 3 and 4 for generating a magnetic field which rotates around the axis X of rotation; a voltage detector 11 for detecting an output voltage of the bridge circuit 1a; and a rotation angle calculation unit 12 for calculating the rotation angle of the magnetic field on the basis of the detected voltage. The bridge circuit 1a, the rotary body 2, and the magnets 3, 4 are arranged so that a rotary surface 7 of a magnetic field intersects with a sensor surface 6a with a thin film resistance pattern of the magnetic resistance effect element formed. A reference position where the output voltage of the bridge circuit 1a becomes zero is not on the line of intersection between the rotary surface 7 and the sensor surface 6a of the magnetic field, and the angle β formed by the reference position and the line of intersection on the sensor surface 6a is in the range of -90°≤β<-45°or 45°<β≤90°.SELECTED DRAWING: Figure 4
Patent JP-2023132580-A (JP)
Title: Dry powder layer, dry coating film using dry powder layer, and all-solid-state battery
Inventor: KOJIMA TOSHIYUKI
IPC: H01M10/0562
Filed: 2022-03-11
Abstract: To provide a high-performance and low environmental impact dry powder layer and the like with an increased contact area between a dry powder layer and an adjacent layer due to the increase in surface area which is caused by an uneven surface formed on the surface of the dry powder layer carved into a sinusoidal standing wave pattern.SOLUTION: The dry powder layer includes at least a solid electrolyte in which the concentration of a solvent contained in the dry powder layer is 50 ppm or less, and the surface of the dry powder layer has an uneven surface scraped off by a squeegee vibrated by a sinusoidal standing wave.SELECTED DRAWING: Figure 2
Patent JP-2023133757-A (JP)
Title: Combination weighing device
Inventor: KAGEYAMA TOSHIHARU
IPC: G01G19/387
Filed: 2022-03-14
Abstract: To suppress the occurrence of weighing errors due to the approach of an operator to the surroundings while operating and the inclusion of dust and foreign matter in articles.SOLUTION: A combination weighing device 1 pertaining to an embodiment comprises a conveyance unit 11 that receives an article thrown in from the outside and conveys it downstream, a trough 21 the upper part of which opens, a screw 22 that is disposed inside of the trough 21, a drive unit 40, a control unit 50 that controls the drive unit 40 to have the article conveyed in the trough 21, a weighing unit WH that weighs the article received from the trough 21, and an acquisition unit 45 that acquires information that indicates the environment around the combination weighting device 1. The control unit 50 detects the presence of an operator in the periphery of the combination weighting device 1 on the basis of such information, and when the presence of an operator is detected, causes the operation mode to transition from a first operation mode before the presence of the operator is detected to a second operation mode in which the drive unit 40 stops the rotation of the screw 22 or reduces the torque or speed of the screw 22.SELECTED DRAWING: Figure 1
Patent JP-2022146907-A (JP)
Title: Jig fixture adhesive sheet, protective film forming composite sheet, and manufacturing method of chip with protective film
Inventor: SATO MIREI
IPC: H01L21/301
Filed: 2022-03-14
Abstract: To provide a jig fixture adhesive sheet that is less likely to float from the fixing jig, is less likely to leave adhesive residue on the side of the fixing jig, and can be easily peeled off from the fixing jig after heating when used for manufacturing a chip with a protective film, a protective film forming composite sheet including a jig adhesive layer formed using the jig fixture adhesive sheet, and a manufacturing method of a chip with a protective film.SOLUTION: An jig fixture adhesive sheet (1) used for a protective film forming composite sheet provided with a thermosetting protective film forming film is constituted by laminating a first adhesive layer (161), a core film (162), and a second adhesive layer (163) in this order in the thickness direction, and the core film (162) is made of a non-polyvinyl chloride plastic film, and the jig fixture adhesive sheet (1) has an adhesive strength of 4.0 to 25 N/25 mm after heating at 130°C for two hours at 180° to SUS304.SELECTED DRAWING: Figure 1
Patent JP-2023136240-A (JP)
Title: Organic wastewater treatment method and biological treatment device
Inventor: YONEYAMA YUTAKA
IPC: C02F3/04
Filed: 2022-03-16
Abstract: To provide an organic wastewater treatment method utilizing a biological treatment device of a non-aeration system in which fly occurrence can be simply and effectively prevented.SOLUTION: An organic wastewater treatment method includes the steps of: supplying organic wastewater to a biological treatment device of a non-aeration system; biologically treating the supplied organic wastewater with the biological treatment device; and adding an insect growth control agent to the organic wastewater before, after, or both before and after the organic wastewater is supplied to the biological treatment device.SELECTED DRAWING: Figure 1
Patent JP-2023137919-A (JP)
Title: hydraulic control unit
Inventor: KOJIMA KENTA
IPC: B60T8/34
Filed: 2022-03-18
Abstract: To provide a hydraulic control unit capable of appropriately saving a mounting space of a device in a vehicle.SOLUTION: A hydraulic control unit 5 according to the present invention includes a hydraulic control mechanism 51 which contains a brake controlling valve V1 for controlling a hydraulic pressure of brake liquid and a control substrate 52 which contains a brake control circuit 52a for controlling movement of the brake controlling valve V1, and the control substrate 52 includes a suspension control circuit 52b which controls movement of a suspension controlling valve V2 for controlling an attenuation force of suspension of a vehicle, a first relay R1 which conducts electricity between the brake controlling valve V1 and an electric power source B1 in a closed state and shuts off between the brake controlling valve V1 and the electric power source B1 in an opened state, and a second relay R2 different from the first relay R1, which conducts electricity between the suspension controlling valve V2 and the electric power source B1 in the closed state and shuts off between the suspension controlling valve V2 and the electric power source B1 in the opened state.SELECTED DRAWING: Figure 4
Patent JP-2023141331-A (JP)
Title: recording device
Inventor: MUKOYAMA YUMI
IPC: B65H5/06
Filed: 2022-03-23
Abstract: To provide a recording device capable of removing a sheet therefrom by separating a roller pair from each other, using a plurality of members.SOLUTION: A recording device according to the present invention comprises a roller pair for nipping and conveying a sheet; and switching means for switching between a first state of nipping the sheet with the roller pair, and a second state of separating the roller pair from each other. According to the recording device for recording an image on the sheet with recording means, the switching means comprises a first movement member for switching from the first state to the second state by moving in a first direction, and a second movement member for switching from the first state to the second state by moving in a second direction different from the first direction.SELECTED DRAWING: Figure 9
Patent JP-2023141362-A (JP)
Title: Warm air dry system with heat storage
Inventor: MARUMOTO TAKAHIRO
IPC: F26B21/00
Filed: 2022-03-23
Abstract: To provide a device and a method capable of reducing a heat storage loss, increasing heat which is effectively utilized and drying an object to be dried effectively.SOLUTION: A method for drying an object to be dried comprises: executing a heat exchange between a heated gas and a heat source gas having water content higher than that of the heated gas to warm the heated gas; during a heat storage operation, allowing the heated gas which was subjected to the heat exchange to contact with a heat storage material; extracting the gas which is brought into contact with the heat storage material to the outside of the system; during a heat release operation, allowing the heated gas not subjected to the heat exchange to bring into contact with the heat storage material; supplying the gas which is brought into contact with the heat storage material to a dry chamber in which the object to be dried is stored; and mixing a whole or a part of the gas which is discharged from the dry chamber with the heated gas not subjected to the heat exchange.SELECTED DRAWING: Figure 1
Patent JP-2023141487-A (JP)
Title: Method for manufacturing silicon carbide semiconductor device, and silicon carbide semiconductor device
Inventor: SUZUKI TAKUMA
IPC: H01L21/336
Filed: 2022-03-24
Abstract: To provide a method for manufacturing a silicon carbide semiconductor device, and a silicon carbide semiconductor device that enables improved breakdown voltage.SOLUTION: A method for manufacturing a silicon carbide semiconductor device according to an embodiment includes forming a semiconductor layer on a substrate containing silicon carbide, implanting a first conductivity type impurity into the semiconductor layer, forming a first semiconductor region of a first conductivity type having a first concentration, implanting impurities of a second conductivity type into a plurality of locations in the first semiconductor region, forming, together with a first semiconductor pillar portion of the first conductivity type, a second semiconductor pillar portion of the second conductivity type having a second concentration adjacent to the first semiconductor pillar portion, and repeating the formation of the semiconductor layer, the formation of the first semiconductor region, and the formation of the first semiconductor pillar portion and the second semiconductor pillar portion.SELECTED DRAWING: Figure 2
Patent JP-2023141675-A (JP)
Title: Magnetic material and magnetic element
Inventor: MATSUZAWA MANABU
IPC: H01F1/26
Filed: 2022-03-24
Abstract: To provide magnetic materials and magnetic elements with excellent long-term heat resistance in a high temperature environment of 180°C.SOLUTION: A magnetic material according to one aspect of the present invention includes soft magnetic powder and resin hardener, and has excellent long-term heat resistance in a high-temperature environment of 180°C.SELECTED DRAWING: Figure 1
Patent JP-2023146277-A (JP)
Title: Movement mechanism
Inventor: ETO HARUHIKO
IPC: B62D61/12
Filed: 2022-03-29
Abstract: To achieve a suspension function while preferably loading an object to be loaded.SOLUTION: A vehicle body 11 of a welding robot 10 includes: a main frame 12 supported by three first wheels 161 arranged in an XY plain; and a subframe 13 supported by one second wheel 162 and connected with the main frame 12 so as to be swingable in a direction crossing the XY plain. As a result, with respect to any curved surface, these four wheels 16 can be grounded preferably by passively swinging the second wheel 162 supporting the subframe 13 while grounding the three first wheels 161 supporting the main frame 12.SELECTED DRAWING: Figure 2