baber/WOPTO huggingface dataset:
Patent JP-2021158446-A (JP)
Title: Image projection device, image projection method and program
Inventor: TAKESHITA HIROSHI
IPC: G09G5/36
Filed: 2020-03-25
Abstract: To more easily maintain image quality and to prevent deterioration in image quality such as a change in brightness of a part of a projected image and a lack of an image.SOLUTION: An image projection device includes: a plurality of projection units that performs projection from different image projection angles so as to form an overlapping image in which a plurality of projection images are overlapping in an identical area; an imaging unit that generates a captured image by imaging the identical area; an obstacle detection unit that detects an obstacle between the projection units and the identical area on the basis of the captured image; and a control unit that executes control for causing the projection units to project the projection images; wherein the control unit performs projection by switching the plurality of projection units for each frame and executes control so as to specify a position of a shadow of the projection images, based on captured images obtained by capturing the projection images projected by being switched for each frame by the imaging unit and based on the projection images.SELECTED DRAWING: Figure 16
Patent JP-2021155596-A (JP)
Title: Film
Inventor: TANAKA MASAKAZU
IPC: B29C55/12
Filed: 2020-03-27
Abstract: To provide a film that has a high dielectric breakdown strength at high temperatures and a low shrinkage rate at high temperatures so that it can maintain sufficient quality even when used in harsh high temperature environments, and does not easily tear during film processing steps such as slitting and capacitor manufacturing steps.SOLUTION: The film of the present invention is a film having MD tensile breaking strength/TD tensile breaking strength of 0.5 to 3.0, which is obtained by biaxially stretching a film comprising 90 to 5 pts.mass of a 4-methyl-1-pentene copolymer (A) satisfying a particular requirement and 10 to 95 pts.mass of a 4-methyl-1-pentene copolymer (B) satisfying a particular requirement.SELECTED DRAWING: None
Patent JP-2021153959-A (JP)
Title: Laminate, manufacturing method of the same, model eye, and ophthalmologic apparatus
Inventor: OKUBO TAKURO
IPC: A61B3/10
Filed: 2020-03-27
Abstract: To provide a laminate which has properties approximate to a human eyeground with a simple structure.SOLUTION: A laminate 600 of an exemplary embodiment comprises a plurality of layers 620-1 to 620-N having scattering characteristics different from each other. Each of the layers 620-1 to 620-N is formed of at least a substrate and particles scattered in the substrate. The substrates in the layers have refraction factors equal to each other.SELECTED DRAWING: Figure 6
Patent JP-2021154940-A (JP)
Title: Connection structure of traveling pallet with traction lifter device
Inventor: ITO KOICHI
IPC: B60D1/04
Filed: 2020-03-27
Abstract: To provide a connection structure of traveling pallet with traction lifter device in which connection work and separation work performed for connecting the traveling pallet with the traction lifter device to move to a conveyance site can be performed by a simple operation, easily and reliably.SOLUTION: A connection structure for connecting a traveling pallet with a traction lifter device comprises: a handle boom provided at the traction lifter device; and a connection fixing device mounted and fixed in a rear part of the traveling pallet, and connecting and fixing the handle boom. Furthermore, the connection fixing device is constituted of: a connecting fixing part capable of being integrally fixed in a middle part of the handle boom, and laterally projecting a fixing shaft at both sides; a rear-opened hook part constituted so as to be loosely fitted and engaged with the fixing shaft of the connecting fixing part; and a locking mechanism rotatably constituted toward the hook opening in order to engage and bias the fixing shaft to the hook part.SELECTED DRAWING: Figure 1
Patent JP-2021155205-A (JP)
Title: Work machine
Inventor: SANO YUSUKE
IPC: B66C1/08
Filed: 2020-03-30
Abstract: To provide a work machine for improving stability.SOLUTION: A work machine includes an undercarriage, a revolving super structure mounted on the undercarriage via a revolving mechanism, an attachment attached to the revolving super structure, a lifting magnet attached to the attachment, and a control device. The control device has: a weight calculation unit that calculates a weight of an object adsorbed by the lifting magnet; and a power control unit that controls power supplied to the lifting magnet. Based on the weight of the object, the power control unit controls power supplied to the lifting magnet.SELECTED DRAWING: Figure 2
Patent JP-2021160724-A (JP)
Title: Packaging bag
Inventor: HARU MASAAKI
IPC: B65D81/34
Filed: 2020-03-30
Abstract: To provide a packaging bag that is aesthetically pleasing and can improve a sense of beauty, that is concealable and can make it impossible to be seen from the outer surface to the inner surface, and that can transmit microwaves without reflecting them.SOLUTION: A packaging bag 10A is made of a composite film 20A, which is formed of: a first synthetic resin film made from thermoplastic synthetic resin that constitutes an inner surface of the packaging bag 10A; a tin deposition film having a tin deposition layer and bonded to an outer surface of the first synthetic resin film; and a printing film 24, which constitutes an outer surface 28 of the packaging bag 10A and has a printing surface on which a predetermined drawing is printed and is bonded to the outer surface of the tin vapor-deposited film. In the packaging bag 10A, microwaves can penetrate the tin vapor-deposited film, and a to-be-heated object contained in a containment space 15 can be heated by microwave irradiation.SELECTED DRAWING: Figure 1
Patent JP-2021164279-A (JP)
Title: Motor controller, motor system, and motor control method
Inventor: YAMASAKI REIJI
IPC: H02P23/12
Filed: 2020-03-31
Abstract: To estimate an idling state such as a magnetic pole position at the time of idling of a rotor.SOLUTION: A motor controller comprises: an observer for estimating γ-axis induction voltage and δ-axis induction voltage at the time of idling of a rotor of a motor; a derivation unit for deriving a phase difference between dq-axes and γδ-axes from the γ-axis induction voltage and the δ-axis induction voltage; and an estimation unit for estimating an idling state of the rotor from the phase difference. For example, the estimation unit estimates idling speed of the rotor from a period of the phase difference. For example, the estimation unit estimates a magnetic pole position at the time of idling of the rotor from the phase difference, a sign of the γ-axis induction voltage, and a sign of the δ-axis induction voltage.SELECTED DRAWING: Figure 11
Patent JP-2021165426-A (JP)
Title: Device and method for producing nano-sized metal particles
Inventor: FURUSAWA AKIO
IPC: B82Y40/00
Filed: 2020-04-08
Abstract: To provide a device for producing metal particles for efficiently producing metal particles having a nano size of 1 μm or less in diameter.SOLUTION: A device for producing nano-sized metal particles 100 includes: a first container 103 filled with a suspension containing a first solvent 101 and micro-sized first metal particles 102; a second container 105 filled with a second solvent 104 for immersing the first container 103; a suction device 106 for drawing the suspension out of the first container 103; an injection port 107 provided in the first container 103 and connected to the suction device 106 and capable of injecting the suspension into the first container 103; and an ultrasonic vibrator 108 arranged outside the first container 103 in the second solvent 104 and capable of irradiating the first container 103 with ultrasonic waves.SELECTED DRAWING: Figure 1
Patent JP-2021170428-A (JP)
Title: Airtight terminal, motor-driven compressor, and method for sealing wiring part of its airtight terminal
Inventor: FUJIOKA AKIRA
IPC: H01R43/20
Filed: 2020-04-14
Abstract: To provide an airtight terminal which can completely block intrusion of oil having low electric insulating property and whose current-carrying part is prevented from coming into contact with refrigerant/oil, and to provide a motor-driven compressor and a method for sealing a wiring part of the airtight terminal.SOLUTION: An airtight terminal includes: a lead member formed of a conductive material, an outer ring base which holds the lead member; an insulating material which insulates between the lead member and the outer ring base; and a cover member composed of an electric insulating material having the refrigerant resistance and the oil resistance fixed to at least one side of the outer ring base. The cover member includes: has an exposed part of the lead member; and a peripheral wall part surrounding the exposed part.SELECTED DRAWING: Figure 1
Patent JP-2021174574-A (JP)
Title: Lighting device
Inventor: NAGATA AYAKO
IPC: F21S2/00
Filed: 2020-04-17
Abstract: To provide a lighting device which can inhibit a worker from touching an operation part by mistake.SOLUTION: A lighting device may be attached to a duct rail 100 and includes: a light source 2; a body 3 supporting the light source 2; and a cover part 10 attached to the body 3. The body 3 has: a plug part 7 which may be attached to the duct rail 100 and switch its attitude between a first attitude and a second attitude different from the first attitude; and an operation part 6 which switches the attitude of the plug part 7 between the first attitude and the second attitude. The cover part 10 is rotatably supported by the body 3 and attached to the body 3 to cover the operation part 6.SELECTED DRAWING: Figure 4
Patent JP-2021172710-A (JP)
Title: Rubber composition
Inventor: TSUJI TAKUE
IPC: C08K3/04
Filed: 2020-04-22
Abstract: To provide a rubber composition that is used for bead insulation and has excellent workability and can suppress the bead deformation during vulcanization molding.SOLUTION: A rubber composition contains a diene rubber and a filler. In an unvulcanized state, the rubber composition has a storage elastic modulus G' of 300 kPa or more at 80°C and a storage elastic modulus G' of 300 kPa or less at 100°C.SELECTED DRAWING: None
Patent JP-2020182838-A (JP)
Title: Method for producing childbirth from implanted fertilized egg of mammal and false pregnancy induction tool used therefor
Inventor: KANEKO TAKEHITO
IPC: A61D19/02
Filed: 2020-04-24
Abstract: To provide a method of inducing artificial false pregnancy of a mammal which can be easily performed, has high certainty and high versatility and which can be applied to not only experimental animals such as rats but also to other animal species such as domestic animals, a method for producing childbirth from an implanted fertilized egg for a false pregnancy animal, and an artificial false pregnancy induction tool for childbirth production from an implanted fertilized egg of a mammal which is small sized, light weight and can be easily operated.SOLUTION: A method for producing childbirth from an implanted fertilized egg of a mammal comprises at least the steps (a) and (b): (a) inserting a false pregnancy induction tool for a mammal into a vagina of a mammal in an estrus first half or in an estrus period, bringing a tip end of the false pregnancy induction tool into contact with a uterine neck of the mammal, applying vibration stimulation to the uterine neck to induce a false pregnancy; and (b), after the step (a), implanting a fertilized egg in any development stage from a pronucleus period to a morula stage to an oviduct and a uterus of the mammal.SELECTED DRAWING: Figure 1
Patent JP-2021173060-A (JP)
Title: Panel unit
Inventor: CHAGI YASUTOMO
IPC: E04B1/94
Filed: 2020-04-24
Abstract: To provide a panel unit allowing connection performance of two metal skins to be enhanced using a fireproof panel provided with two metal skins.SOLUTION: A panel unit 1 is provided with a first fireproof panel 21 and a second fireproof panel 22. Each of the first fireproof panel 21 and the second fireproof panel 22 has a core material 4 between two metal skins 3. An end face 211 of the first fireproof panel 21 is placed opposite to an end face 222 of the second fireproof panel 22. The first fireproof panel 21 has a connection member 5 on the end face 211 of the first fireproof panel 21 connecting two metal skins 3 of the first fireproof panel 21. The second fireproof panel 22 has a concave part 6 which is concave in the end face 222 of the second fireproof panel 22. The connection member 5 and the concave part 6 are placed at an opposite position to each other.SELECTED DRAWING: Figure 1
Patent JP-2021173110-A (JP)
Title: Support metal fitting, remaining formwork, and construction method of concrete structure
Inventor: OKA TAKUJI
IPC: E02D29/02
Filed: 2020-04-28
Abstract: To provide a technology which can construct a concrete structure safely and smoothly and which can shorten the construction period of the concrete structure.SOLUTION: A construction method of a concrete structure into a ground having a sloped face includes a formwork process, a back-filling process, and an installing process. In the formwork process, remaining formworks are installed in parallel to the sloped face in front of the sloped face. The remaining formwork remains in the concrete structure and forms an outer face of the concrete structure. In the back-filling process, after the start of the formwork process, a first space between the sloped face and the remaining formwork is back-filled with a back-filling soil. In the installing process, after the start of the formwork process and the back-filling process, concrete is installed into a second space formed by the remaining formworks at a front side in an alignment direction in which the sloped face of the remaining formwork and the remaining formwork are arranged. The front side of the alignment direction is consistent with the front part of the sloped face.SELECTED DRAWING: Figure 1
Patent JP-2021173722-A (JP)
Title: Soil amount measuring method
Inventor: MORITA TAIJI
IPC: G01B21/20
Filed: 2020-04-30
Abstract: To provide a soil amount measuring method capable of automatically detecting a carriage traveling on a track, and accurately measuring the amount of soil loaded into the carriage.SOLUTION: A soil amount measuring method includes the steps of: determining the volume of loaded soil by integrating the area of a region, obtained by superposing inner edge data in a box 32 and edge data on the upper surface of a carriage in a loaded state, in a direction in which a track 40 extends; determining the volume of residual soil by integrating the area of a region, obtained by superposing the inner edge data in the box 32 and edge data on the upper surface of the carriage in a no-load state, in a direction in which the track 40 extends; and determining the volume of discharged soil by subtracting the volume of the residual soil from the volume of the soil in the loaded state.SELECTED DRAWING: Figure 1
Patent JP-2021172323-A (JP)
Title: tire
Inventor: SATO SHUN
IPC: B60C11/13
Filed: 2020-04-30
Abstract: To improve a wear resistant performance and a stone drilling resistant performance.SOLUTION: A main groove 22A has an inflection point, at which an angle of a groove wall to a normal line of a tread surface 21 changes, in a meridional cross section. In a first block BK1 and a second block BK2 which are adjacent to each other in a tire width direction with the main groove 22A interposed therebetween, an angle θ1 between a line H11, in which a ridge line 222R formed by an inflection point of the groove wall on the first block BK1 side is extended, and a line H12, in which a groove wall of a lug groove 24 that partitions the first block BK1 is extended, is larger than an angle θ2 between a line H21, in which a ridge line 222R formed by an inflection point of the groove wall on the second block BK2 side is extended, and a line H22 in which a groove wall of a lug groove 24 that partitions the second block BK2 is extended, and an angle of the groove wall on the first block BK1 side to the normal line of the tread surface 21 is smaller than an angle of the groove wall on the second block BK2 side to the normal line of the tread surface 21.SELECTED DRAWING: Figure 3
Patent JP-2021179330-A (JP)
Title: Pressure sensor
Inventor: SETO YUKI
IPC: G01L19/04
Filed: 2020-05-12
Abstract: To restrain occurrence of a measurement error caused by heat distortion while suppressing influence of pressure application.SOLUTION: A pressure sensor (10) comprises: a sensor body (40) that includes a diaphragm (20), and a housing (30) being connected to an outer peripheral edge of the diaphragm (20) and supporting the diaphragm; a sensing part (50) that is disposed on a second main surface (22) on a side opposite to a first main surface (21) to come into contact with a fluid of a measurement object of the diaphragm (20) and outputs a first value corresponding to distortion of the diaphragm (20); a temperature measuring part (60) measuring temperatures of at least two positions on the sensor body (40); a correction unit (70) correcting the first value by use of the temperatures measured at the at least two positions; and a pressure calculation unit (80) calculating a pressure of the fluid from the corrected first value. The temperature measuring part (60) includes at least a first temperature sensor (60-1) and a second temperature sensor (60-2) that are provided on the housing while being spaced from each other in a direction perpendicular to the second main surface of the diaphragm.SELECTED DRAWING: Figure 1A
Patent JP-2021180260-A (JP)
Title: Semiconductor device
Inventor: KITABAYASHI TAKUYA
IPC: H01L25/18
Filed: 2020-05-14
Abstract: To suppress temperature rise of a semiconductor element caused by heat generation of a metal wire.SOLUTION: A semiconductor device includes a printed circuit board having a first circuit pattern and a second circuit pattern on its upper surface and a semiconductor element disposed on the upper surface of the first circuit pattern, the semiconductor element includes a drain electrode disposed on its upper surface, a gate electrode and a source electrode on its lower surface, the gate electrode and the source electrode are jointed to the upper surface of the first circuit pattern through a first joint material, and the drain electrode is jointed to the upper surface of the second circuit pattern through a metal member connected to the upper surface of the semiconductor element.SELECTED DRAWING: Figure 1
Patent JP-2021178115-A (JP)
Title: rice cooker
Inventor: AMANO RYOTA
IPC: A47J27/00
Filed: 2020-05-15
Abstract: To provide a rice cooker capable of reducing a steam amount to be exhausted to the outside of a rice cooker body, while adopting a simple structure which is easy for maintenance.SOLUTION: The rice cooker includes: a body; an inner pot stored in an upper surface opening of the body; an outer lid for covering the upper surface opening of the body; an inner lid 4a for covering the upper surface opening of the inner pot; and a steam recovery part for recovering the steam which has passed through a steam hole 4b of the inner lid 4a. In the steam recovery part, an outer lid exhaust part 61 which the steam which has passed through the steam hole 4b passes, and a steam recovery cover 62 attachable to/detachable from the outer lid exhaust part 61 are combined. From the front of the body, a first rib 61b provided on a lower surface of the outer lid exhaust part 61, a second rib 62b provided on an upper surface of the steam recovery cover 62, and an exhaust port 6a provided on the upper surface of the steam recovery cover 62 are arranged in this order.SELECTED DRAWING: Figure 2
Patent JP-2021184212-A (JP)
Title: Direct mail creation support device, direct mail creation support method, and program
Inventor: OHASHI KAZUTERU
IPC: G06Q30/02
Filed: 2020-05-22
Abstract: To suggest more optimal conditions for a direct mail.SOLUTION: A direct mail creation support device includes: a condition acquisition unit that acquires attribute information indicating attributes related to a direct mail target as input conditions; an analysis model that estimates an open rate generated by machine learning from learning data in past performance that maps the attribute information to element information that indicates physical elements related to a medium of the direct mail and open information that indicates whether or not the direct mail has been opened; an estimation processing unit that estimates the open rate on the basis of the input conditions obtained by the condition acquisition unit; and an optimization processing unit that determines the conditions of the elements recommended for the input conditions on the basis of the open rate estimated by the estimation processing unit.SELECTED DRAWING: Figure 1
Patent JP-2020204251-A (JP)
Title: Fitting for joining precast structural segments together and precast structural segment with such fitting
Inventor: SANDRINE ORDENER
IPC: E21D11/40
Filed: 2020-05-26
Abstract: To provide a fitting for joining precast structural segments together and a precast structural segment having such a fitting.SOLUTION: A structural fitting for connecting prefabricated segments includes a pair of anchors. Each anchor includes a central portion and a pair of legs. The central portion defines an elongated hole. The pair of legs extend from both sides of the central portion. Each leg extends substantially across the elongated hole and has a proximal end attached to the central portion and a free distal portion located away from the central portion. The structural fitting also includes pins adapted to be accommodated in the elongated holes of the pair of anchors for connecting the pair of anchors together.SELECTED DRAWING: None
Patent JP-2021187460-A (JP)
Title: Lid body of packaging container
Inventor: KOMIYAMA KAZUMA
IPC: B65D43/08
Filed: 2020-05-27
Abstract: To provide a lid body of a packaging container which prevents visibility of a storage article from being hindered from any angle and has excellent transparent feeling as a whole.SOLUTION: A lid body, which is fitted to a container body for storing a storage article and is obtained by molding a thermoplastic resin sheet material, includes a top plate part that has at least a pair of regions between opposite sides composed of planes and has a polygonal shape in plan view, and side wall parts that are continuously provided in a periphery of the top plate part and have fixed heights. The top plate part and the side wall part, and the adjacent side wall parts in a circumferential direction are continuously provided by an angular lateral leading-out corner part and a vertical leading-out corner part forming linear ridge lines in a horizontal direction and a height direction, chamfers obtained by cutting the vertical leading-out corner part into an inverse triangular shape and a triangular shape are provided on upper and lower parts of the ridge line in the height direction, and at least one of the upper and lower parts of the chamfers is chamfered into a spherical triangle.SELECTED DRAWING: Figure 20
Patent JP-2021190269-A (JP)
Title: Separator for non-water-based secondary battery and non-water-based secondary battery
Inventor: KURATANI RIKA
IPC: H01M50/409
Filed: 2020-05-28
Abstract: To provide a separator for a non-aqueous secondary battery that enhances the safety of a battery.SOLUTION: A separator for a non-aqueous secondary battery includes a porous substrate, and a heat-resistant porous layer containing resin and inorganic particles and provided on one or both sides of the porous substrate, wherein the mass ratio of the inorganic particles to the heat-resistant porous layer is 50 mass% or more and 90 mass% or less, and the inorganic particles include a first inorganic particle which is a metal hydroxide particle, and a second inorganic particle other than the metal hydroxide particle.SELECTED DRAWING: None