baber/WOPTO huggingface dataset:
Patent JP-2021112415-A (JP)
Title: Autonomous travel type vacuum cleaner
Inventor: ITABASHI TATSUYA
IPC: A47L9/28
Filed: 2020-01-20
Abstract: To improve cleaning efficiency of an autonomous travel type vacuum cleaner.SOLUTION: An autonomous travel type vacuum cleaner includes: a housing; a right drive wheel 19 and a left drive wheel 20 for moving the housing; a suction port 22 provided at a bottom surface of the housing to suck dust; and a step sensor 24 provided at the bottom surface of the housing to detect a step. The suction port 22 is disposed forward from the right drive wheel 19 and the left drive wheel 20. The step sensor 24 is disposed in the vicinity of the suction port 22 or backward from the suction port 22 and forward from the right drive wheel 19 and the left drive wheel 20.SELECTED DRAWING: Figure 5
Patent JP-2021117722-A (JP)
Title: System and method for detecting sign of abnormality in plant facility
Inventor: HOSUI KANAKO
IPC: G05B23/02
Filed: 2020-01-27
Abstract: To provide a system for detecting a sign of an abnormality in a plant facility using a learning model with improved accuracy.SOLUTION: A sample of normal data transmitted by a technician via a terminal 104 is stored in a normal data sample storage unit 36 of an abnormal sign detection device 103. Normal data information is calculated by a normal data information calculating unit 31. After a normal data selection unit 32 selects normal data for building a learning model, a learning model is built by a learning model building unit 33. An abnormality sign determination unit 34 compares a waveform of the learning model with a waveform of sensor data to determine whether an abnormal sign has occurred. The result is displayed on a display 42 of the terminal 104.SELECTED DRAWING: Figure 1
Patent JP-2021118829-A (JP)
Title: Underpants type absorbent article
Inventor: SUDA HIROKI
IPC: A61F13/51
Filed: 2020-01-30
Abstract: To provide an underpants type absorbent article using a composite sheet being a laminate of a nonwoven fabric and a flexible film, as an exterior body, and being excellent in flexibility, air permeability, and touch feeling in wearing.SOLUTION: An underpants type absorbent article 1 comprises an exterior body 10 and an absorbent body 20, each of a ventral part 11 and a back part 12 of the exterior body 10 includes a composite sheet 17 comprising: a plurality of nonwoven fabrics 14; a flexible film 15 arranged therebetween; and a plurality of adhesion parts 30 which are arranged in a separated state in a plane direction for integrating the nonwoven fabrics and the flexible film. Each adhesion part 30 comprises a plane shape in which corner parts derived from a square and partial arc lines derived from a circle are coupled. The absorbent body 20 comprises: a liquid permeable top sheet 21; an open film 18 comprising a plurality of funnel shaped open holes; an absorber 23 which includes as absorbent components, a fiber assembly formed of a cellulose acetate tow and a high absorbent polymer carried by the fiber assembly formed of the cellulose acetate tow; and a liquid impermeable back sheet 22, in the order.SELECTED DRAWING: Figure 3
Patent JP-2020124799-A (JP)
Title: Gear work-piece machining method
Inventor: RIBBECK KARL-MARTIN
IPC: B23Q17/09
Filed: 2020-02-04
Abstract: To provide a gear work-piece machining method.SOLUTION: A machining method for generating gear work-piece chip with a machine, which comprises at least two cutting blades which are geometrically defined and uses a cutting tool which generates a chip-shaped material onto the gear work-piece within a chip generation machining range, is regulated by method parameters having: (1) a step at which computer aided analysis of chip generation with plural cutting blades of the cutting tool is executed; (2) a step at which computer aided confirmation of relative force generated when generating chip with plural cutting blades of the cutting tool is executed; (3) a step at which chip generation machining is optimized to prevent the relative force from exceeding a prescribed limit value or reaching a limit range; and (4) a step at which chip generation machining for the gear work-piece is executed by use of adapted method parameter.SELECTED DRAWING: Figure 4
Patent JP-2021128993-A (JP)
Title: Semiconductor device and switching system
Inventor: HANAOKA MASAYUKI
IPC: H01L29/739
Filed: 2020-02-13
Abstract: To provide a semiconductor device and a switching system including RC-IGBT in which the increase in switching time is suppressed.SOLUTION: A semiconductor device 1 includes: an insulated gate type bipolar transistor disposed in a transistor region 110 of a semiconductor base body 10, using a semiconductor layer 11 as a drift region, and including an insulated gate type control electrode; a diode disposed in a diode region 120 of the semiconductor base body 10, including a cathode region 21 of a first conductivity type disposed on a back surface side of the semiconductor layer 11 and an anode region 22 of a second conductivity type disposed on a front surface side of the semiconductor layer 11, and connected in reverse parallel to the insulated gate type bipolar transistor; and a surface semiconductor region 42 of the second conductivity type disposed over an inactive region 200. In a plan view, the surface semiconductor region 42 and the cathode region 21 are separated and quasi-synchronous rectifying operation is performed.SELECTED DRAWING: Figure 1
Patent JP-2020184063-A (JP)
Title: Method for measuring distance of diffusion of curing catalyst
Inventor: OGIWARA TSUTOMU
IPC: C08G77/04
Filed: 2020-02-13
Abstract: To provide a method for measuring a distance of diffusion of a curing catalyst from a silicon-containing film to a resist upper layer film formed on the silicon-containing film.SOLUTION: A method for measuring a distance of diffusion of a curing catalyst (Xc) for a thermosetting silicon-containing material (Sx) includes the steps of: forming a silicon-containing film (Sf) from a composition containing a thermosetting silicon-containing material (Sx), a curing catalyst (Xc) and a solvent (a); coating the silicon-containing film (Sf) with a photosensitive resin composition containing a resin (A) whose solubility in alkaline developer is increased by the action of an acid, an acid generator and a solvent (b), and subsequently heating to prepare a substrate on which the silicon-containing film (Sf) and a resin film are formed; irradiating the substrate with a high energy beam or an electron beam to generate an acid and heat-treating the substrate to increase the solubility of the resin (A) in an alkaline developer by the action of the acid in the resin film; dissolving the resin film in an alkaline developer; and measuring a film thickness of the remaining resin (A).SELECTED DRAWING: None
Patent JP-2021127234-A (JP)
Title: Display system and control device
Inventor: MURATA HARUKA
IPC: B66B3/02
Filed: 2020-02-17
Abstract: To reduce fluctuations in the brightness of a display device installed in a building with elevators.SOLUTION: A display system includes: a display device 300 installed on each floor of a building; a power supply device 250 common to each floor; a correction circuit 604 that consumes current as a dummy; and a control device that controls the display device and the circuit. The display device 300 displays an image by dynamic lighting, and controls the correction circuit 604 so that the value of the current consumed for lighting each of the plurality of lines is the same.SELECTED DRAWING: Figure 3
Patent JP-2021127065-A (JP)
Title: Steering device
Inventor: TOYODA HIROYUKI
IPC: B62D5/04
Filed: 2020-02-17
Abstract: To provide a single wheel independent steering device having high practicability.SOLUTION: A steering device 34 includes an electric motor 36a, an operation conversion mechanism 44 for converting operation of the electric motor into steering operation of a wheel 12, and a controller for achieving steering of the wheel according to the operation position of the electric motor by controlling supply current to the electric motor, and steers one wheel among a plurality of wheels provided on the wheel independently from other wheel, and performs both (a) first reference setting processing based on the steering position of the wheel acquired depending on data of the image of the wheel photographed by a camera, and (b) second reference setting processing based on supplied current to the electric motor when the wheel is maintained to a specific or arbitrary steering position during traveling of the wheel, as reference setting processing of setting a reference operation position as a reference of the operation position of the electric motor. Accurate setting of the reference operation position of the electric motor is quickly and sufficiently enabled.SELECTED DRAWING: Figure 1
Patent JP-2021127513-A (JP)
Title: Alloy steel for mechanical structure excellent in balance of hardness and toughness
Inventor: TAKAHASHI HARUKA
IPC: C22C38/00
Filed: 2020-02-17
Abstract: To provide an alloy steel for a mechanical structure simultaneously realizing hardness and toughness in a good balance.SOLUTION: An alloy steel for a mechanical structure is a steel including, by mass, 0.25 to 0.40% C, 0.05 to 0.30% Si, 1.00 to 1.50% Mn, 0.030% or less P, 0.030% or less S, 1.50 to 3.00% Cr, 0.05 to 0.50% Mo, 0.020 to 0.050% Al, and 0.0100 to 0.0200% N, and the balance Fe with inevitable impurities, in which a value of a formula 0.5C×(1+0.7Si)×(1+3.6Mn)×(1+2.2Cr)×(1+3.0Mo) satisfies 10 to 20, a hardness is 45 HRC or more, and an average of old austenite grain diameters is 20 μm or less.SELECTED DRAWING: None
Patent JP-2020138541-A (JP)
Title: Ink deposition uniformity compensation mechanism
Inventor: MIKEL STANICH
IPC: G06F3/12
Filed: 2020-02-18
Abstract: To provide a printing system.SOLUTION: A printing system includes: at least one physical memory device for storing halftone calibration logic; and one or more processors connected to at least one physical memory device, which executes halftone calibration logic, determines non-calibration deposition distribution for each of plural pixel formation elements, determines calibration deposition distribution for each of the plural pixel formation elements, and determines a calibration value for each of the plural pixel formation elements.SELECTED DRAWING: Figure 1
Patent JP-2021133757-A (JP)
Title: Power-assisted bicycle capable of traveling with self-charging
Inventor: KAGEYAMA JIRO
IPC: B62J99/00
Filed: 2020-02-26
Abstract: To provide a power-assisted bicycle that can travel while self-charging, has no limit on the maximum travel distance, and comprises emergency power outputs of 5 V and 12 V.SOLUTION: A rotational force of a crankshaft is transmitted to an alternator to generate electricity, the DC output power is stored in a secondary battery and at the same time supplied to a hub motor of a front wheel, assist traveling is performed by adjusting the hub motor output with assist control means that matches the output of a torque sensor with the traveling speed. When starting with a start push button switch, by pressing and holding the switch, the hub motor rotates for several seconds with the power of the secondary battery to start, and after that, a rider pedals and travels while self-charging the battery. The secondary battery is charged by the alternator during traveling, and is charged by regenerative power from the hub motor during coasting. The secondary battery has 5 V and 12 V emergency power outputs, and can be boosted by a commercially available 12 V/100 V inverter to be connected to small household appliances.SELECTED DRAWING: Figure 1
Patent JP-2021135667-A (JP)
Title: Information processing system, information processing method, and program
Inventor: TSUJI TAKAHISA
IPC: G06F1/04
Filed: 2020-02-26
Abstract: To prevent a situation where an information processing system is stopped when means for switching reference clock signals fails.SOLUTION: An information processing system includes: multiple units of clock generation means for generating reference clock signals; multiple units of clock switching means which receive the reference clock signals from the clock generation means, respectively, and output one of the reference clock signals; and information processing means which receives the reference clock signals output from the clock switching means and processes information on the basis of one of the reference clock signals.SELECTED DRAWING: Figure 1
Patent JP-2020097629-A (JP)
Title: Methods and compositions for treating ulcers
Inventor: KENNETH M ATTIE
IPC: A61P7/06
Filed: 2020-02-27
Abstract: To provide compositions and methods for treating or preventing ulcers in subjects having low red blood cell levels and/or hemoglobin levels (e.g., anemia).SOLUTION: In particular, the disclosure demonstrates that administration of a GDF Trap polypeptide, which is soluble form of an ActRIIB polypeptide having an acidic amino acid at position 79 with respect to SEQ ID NO: 1, increases red blood cell levels and/or hemoglobin levels in patients having various types of hemolytic anemia, particularly hemoglobinopathic anemia, thalassemia and sickle-cell disease.SELECTED DRAWING: None
Patent JP-2021133479-A (JP)
Title: Robot system, method of controlling robot system, working robot, workbench, and method of manufacturing article
Inventor: HAYASHI TEI
IPC: B25J9/22
Filed: 2020-02-28
Abstract: To speedily and easily put a working robot, which is arranged as a backup, substitutively in a production line.SOLUTION: In a robot system comprising workbenches 2-1 to 2-4, working robots 1-1 to 1-4, and substitutive working robots 1-5 to 1-7, a master robot 6 teaches robot tracks needed for work carried out on the respective workbenches. For example, the respective workbenches hold track control information for generating a robot track, and the respective working robots 1-1 to 1-7 hold individual difference information of the respective working robots for the master robot 6. A robot control part is provided, for example, at each workbench, and controls a working robot arranged for the workbench. The robot control part uses the track control information and individual difference information to generate robot tracks needed for work carried out on the respective workbenches.SELECTED DRAWING: Figure 1
Patent JP-2021135254-A (JP)
Title: Radioactive iodine removing filter material and radioactive iodine removing filter
Inventor: KURIHARA SHUNICHI
IPC: B01J20/22
Filed: 2020-02-28
Abstract: To reduce a pressure loss while securing the same efficiency of removing radioactive iodine as before.SOLUTION: The radioactive iodine removing filter material includes: two breathable sheet materials arranged separately in the direction of air passage; and a plurality of adsorbents inserted between the breathable sheet materials. Each adsorbent includes: an agent with a function of adsorbing radioactive iodine; and carrier particles carrying the agent with the function of adsorbing radioactive iodine in a surface. At least 90% by mass of the carrier particles have diameters of 1 mm or less.SELECTED DRAWING: Figure 3
Patent JP-2021140869-A (JP)
Title: Illumination vehicle
Inventor: NAKAMURA KIMITAKA
IPC: F21V21/22
Filed: 2020-03-02
Abstract: To provide a lighting device which enables improvement of flexibility of a lighting range, and to provide an illumination vehicle including the lighting device.SOLUTION: A lighting device according to one embodiment is attached to a tip of a boom which is supported by a vehicle body in a manner that the boom can revolve around a revolving axis and rise and fall around a rise-and-fall axis. The lighting device includes: a shaft extending along a tilt axis arranged parallel to the rise-and-fall axis; a tilt machine which rotates the shaft around the tilt axis; an attachment mechanism which attaches the tilt machine to the tip of the boom; and floodlights which are connected to the shaft and rotate around the tilt axis with the shaft.SELECTED DRAWING: Figure 1
Patent JP-2021139117-A (JP)
Title: Earth retaining member
Inventor: ASAI NOBUHIDE
IPC: E21D5/10
Filed: 2020-03-02
Abstract: To provide an earth retaining member for a connecting device that connects the earth retaining members each having a flange by sandwiching flanges by a sandwiching portion, capable of clarifying a temporary tightening state and a final tightening state at the time of connection.SOLUTION: On an earth retaining member having flanges such as a liner plate, when sandwiching a lower flange 4 and an upper flange 6 by a sandwiching portion 3 of a connecting device 1, a boundary portion (projection portion 6a) dividing a temporary tightening region and a final tightening region of the connecting device 1, is provided on a surface contacting with the sandwiching portion 3 on both of flanges.SELECTED DRAWING: Figure 5
Patent JP-2021139329-A (JP)
Title: Fuel cleanliness estimation device
Inventor: NISHIOKA HIROMASA
IPC: F02D45/00
Filed: 2020-03-05
Abstract: To provide a fuel cleanliness estimation device capable of preventing deterioration of engine output efficiency caused by deterioration of a GPF due to fuel with bad cleanliness.SOLUTION: A fuel cleanliness estimation device 10 includes at least: a differential pressure calculation section 11 calculating differential pressure of exhaust gas between an upstream side and a downstream side of a gasoline particulate filter for purifying exhaust gas of an engine mounted to a vehicle; an abnormality estimation section 12 estimating that cleanliness of fuel injected to the engine is abnormal when the differential pressure calculated by the differential pressure calculation section 11 reaches a predetermined value or greater; a fueling point recording section 16 recording a fueling point where fuel is supplied to the vehicle; and a fueling point specification section 17 specifying a fueling point where the fuel estimated to be abnormal is supplied from the fueling point recorded in the fueling point recording section 16 when the abnormality estimation section 12 estimates that the cleanliness of the fuel is abnormal.SELECTED DRAWING: Figure 2
Patent JP-2021140543-A (JP)
Title: Automatic transaction device, transaction processing method, and transaction processing program
Inventor: CHIBA MASASHI
IPC: G07D11/60
Filed: 2020-03-06
Abstract: To provide an automatic transaction device that can shorten the time required for a transaction.SOLUTION: An automatic transaction device 1 includes: a card information reading unit 51 that reads transaction data including user account information stored on an IC card 3 as well as a transaction type and a total amount stored in association with each other on a transaction card 4 different from the IC card 3; and a transaction processing unit 56 that requests an account indicated by the account information read by the card information reading unit 51 of a transaction indicated by the transaction type read by the card information reading unit 51 at the total amount read by the card information reading unit 51.SELECTED DRAWING: Figure 5
Patent JP-2021139251-A (JP)
Title: Fitting structure of face bar
Inventor: TERUI SEIKI
IPC: E04B1/26
Filed: 2020-03-09
Abstract: To allow a bearing wall without studs or shaft columns, fix a face bar to a beam or the like firmly so that the face bar is not separated from the beam or the like even when excessive horizontal force is applied on the beam, and form the bearing wall without much labor or time.SOLUTION: In a fitting structure of a face bar, a CLT panel 70 is fitted between a first column 10 and a second column 20 adjacent and fitted with a beam 50, the CLT panel 70 comprises a lower surface fitting member fitting with a foundation 100 or a sill 60 at a lower surface side of the CLT panel 70, and an upper surface fitting member fitting with the beam 50 at an upper surface side of the CLT panel 70. The CLT panel 70 is clipped and fixed between the foundation 100 or the sill 60, and the beam 50 by a first rod-like fixation member 80 and a second rod-like fixation member 90 for coupling the foundation 100 and the beam 50 near both sides in an axial direction of the beam 50 of the CLT panel 70 in the state where the lower surface fitting member is fitted with the foundation 100 or the sill 60 and the upper surface fitting member is fitted with the beam 50.SELECTED DRAWING: Figure 1
Patent JP-2021143225-A (JP)
Title: Magnetic abrasive grain structure and its production method
Inventor: YAMAZAKI YOSHIHISA
IPC: C09K3/14
Filed: 2020-03-10
Abstract: To provide a magnetic abrasive grain structure capable of making the magnetic flux of vertical spontaneous magnetization magnet larger and its production method.SOLUTION: The magnetic abrasive grain structure comprises a diamond 1 having a (110) plane, a metal layer 2 provided on the (110) plane of the diamond 1 and having a plurality of apertures at a plurality of specific locations surrounding the center of the (110) plane of the diamond 1, an Mn7C3 layer 4 of the single atomic layer provided on the (110) plane of the diamond 1 in each aperture, and an MnBi layer 6 of the multilayer atomic layer provided on the Mn7C3 layer 4 in each aperture, in which each of the intermediate points of a plurality of diagonal lines connecting the centers of two opposing apertures is substantially coincident with the center of the (110) plane of the diamond 1, and the Mn7C3 layer 4 and the MnBi layer 6 are spontaneously magnetized in the direction perpendicular to the (110) plane of the diamond 1.SELECTED DRAWING: Figure 2
Patent JP-2020093124-A (JP)
Title: Hemodialysis system
Inventor: WILT MICHAEL J
IPC: A61M1/16
Filed: 2020-03-12
Abstract: To provide a variety of systems and methods to implement hemodialysis more efficiently, easily, and/or at low cost.SOLUTION: A hemodialysis system includes a cassette system including a dialysis fluid flow path in which dialysis fluid passes and flows from a dialysis fluid supply body through a dialyzer, and a blood flow path, which is a separate body from the cassette system. The dialysis fluid flow path includes a balancing fluid circuit, a mixed fluid circuit, and an orientation fluid circuit combined into one cassette assembly. The balancing fluid circuit, the mixed fluid circuit, and the orientation fluid circuit are formed by a first cassette, a second cassette, and a third cassette respectively. In the blood flow path, blood is drawn inside from a patient, and passes through the dialyzer.SELECTED DRAWING: Figure 1
Patent JP-2021142551-A (JP)
Title: Spot welder
Inventor: MAEKAWA TAKAYA
IPC: B23K11/11
Filed: 2020-03-13
Abstract: To provide a spot welder capable of spot-welding a joining part with a high plate thickness ratio at various locations while avoiding interference with a welding target member.SOLUTION: A spot welder is provided with a rotary-holding mechanism 13 for fixing an arm member 7 having a pressurization piece 10 at an end to a welding gun body 4, rotatably supporting the pressurization piece 10 around central axes of electrodes 1, 2 with a tip part in an extension direction of the arm member 7, and also rotatably holding the pressurization piece 10 around the central axes of the electrodes 1, 2. For example, a rotary member 18 and a plunger 20 are arranged inside the arm member 7 (an extension member 9) with the pressurization piece 10 provided at its end, and the plunger 20 fits into and comes off a notch 19 formed in an outer peripheral surface of the rotary member 18.SELECTED DRAWING: Figure 4