baber/WOPTO huggingface dataset:
Patent JP-2020140478-A (JP)
Title: Abnormality detection apparatus and abnormality detection method
Inventor: ONISHI YASUSHI
IPC: G06T7/00
Filed: 2019-02-28
Abstract: To provide an abnormality detection apparatus capable of stably detecting an abnormality of a camera by removing feature points that are difficult to extract stably in time.SOLUTION: An abnormality detection apparatus 100 comprises: an acquisition unit 110 for acquiring an image from a camera mounted on a moving object; a candidate extraction unit 120 for extracting feature point candidates from the image; a discrimination pixel identification unit 130 for identifying a first discriminant pixel to an N-th discriminant pixel (N is a natural number of 2 or more) that are in the predetermined first to N-th positional relationship with the feature point candidate; a luminance difference calculation unit 140 for calculating the luminance difference between the feature point candidate and a k-th (k is a natural number 1 or more and N or less) discrimination pixel; a comparison unit 150 for comparing the k-th luminance difference with a k-th threshold set according to the k-th positional relationship; a feature point extraction unit 160 for extracting the feature point from the feature point candidates based on the results of comparison by the comparison unit; and an abnormality detection unit 170 for detecting whether or not the camera has the abnormality based on the temporal position change of the feature point and the moving amount of the moving object.SELECTED DRAWING: Figure 1
Patent JP-2020137858-A (JP)
Title: Mat storage structure and mat storage bench
Inventor: TORIMARU MIKIO
IPC: A47C11/00
Filed: 2019-02-28
Abstract: To provide a mat storage structure and a mat storage bench that can store a plurality of mats.SOLUTION: A mat storage structure 1 has a cushion body 2 that has cushioning properties, formed by stacking a plurality of mats 3 having cushioning properties, and fixing means 4 that fixes the mats to maintain the stacking state.SELECTED DRAWING: Figure 2
Patent JP-2020140130-A (JP)
Title: Light-shielding plate and method of manufacturing the same
Inventor: NISHIYAMA JIN
IPC: G03B9/02
Filed: 2019-02-28
Abstract: To provide a light-shielding plate which can exert a desired light-shielding performance and allows thinning thereof, and a method of manufacturing the same.SOLUTION: A light-shielding plate includes: a metal thin plate having a first surface and a second surface facing the first surface, and constituted by a metal material; and a through hole part formed approximately in the center of the metal thin plate in a plan view from a side of the first surface. The first surface and the second surface are approximately flat surfaces substantially parallel to each other. The thickness of the metal thin plate is approximately uniform. The through hole part includes a first opening positioned on the side of the first surface and a second opening positioned on a side of the second surface. Each of a geometric center of the first opening and a geometric center of the second opening approximately coincides with a geometric center of the metal thin plate in the plan view from the side of the first surface.SELECTED DRAWING: Figure 2
Patent JP-2020143184-A (JP)
Title: Manufacturing method of silane crosslinked resin molded product and silane crosslinked resin molded product
Inventor: MAEDA YUYA
IPC: C08K3/00
Filed: 2019-03-04
Abstract: To provide a manufacturing method of a silane crosslinked resin molded product having excellent appearance, without limiting a base resin such as a silane master batch or the like to a specific resin component and without containing a mineral oil.SOLUTION: In a manufacturing method of a silane crosslinked resin molded product including steps of: preparing a silane master batch (A) by melt mixing a silane coupling agent (A3) in a polyolefin base resin (A1) (a): preparing a catalyst master batch (B) by melt mixing a silanol condensation catalyst (B2) and an inorganic filler (B3) in a polyolefin base resin (B1) (b); molding after mixing the silane master batch (A) and the catalyst master batch (B) (c); and crosslinking by contacting the molded product and moisture (d), in the step (c), the silane master batch (A) and the catalyst master batch (B) are mixed such that the inorganic filler (B3) becomes 15 to 100 pts.mass relative to 100 pts.mass of the base resin.SELECTED DRAWING: None
Patent JP-2020141607-A (JP)
Title: Sheet-like food
Inventor: OTA MASAAKI
IPC: A21D13/80
Filed: 2019-03-07
Abstract: To provide a sheet-like food not containing wheat-derived raw material and obtained by baking a sheet-like food dough to be baked having binding resistance with which baked sheet-like foods are not bound even though superimposed on each other, and having excellent milk flavor.SOLUTION: A sheet-like food contains A) 10-40 mass % of rice starch, B) 10-40 mass% of albumen, C) 0.1-10 mass% of nonfat solid content, but no wheat-derived raw material. A sheet-like food dough to be baked has transparency and binding resistance with which baked sheet-like foods are not bound even though superimposed on each other, and has excellent milk flavor. The baking sheet-like food dough is baked to obtain the sheet-like food.SELECTED DRAWING: None
Patent JP-2020144710-A (JP)
Title: Self-position estimation device, self-position estimation method and program
Inventor: KITAJIMA KATSUMASA
IPC: G05D1/02
Filed: 2019-03-07
Abstract: To provide a self-position estimation device, etc., which are able to stabilize a self-position estimation processing using a camera.SOLUTION: A self-position estimation device comprises: an acquisition unit 1000 that acquires a visual field image from a camera 11 mounted on a moving body 1; an estimation unit 1001 that performs self-position estimation processing for estimating a position and posture of the moving body on world coordinates based on a map on which a position of a feature point on the visual field image positions of a plurality of feature points on the world coordinates are recorded; and a registration unit 1002 that registers the visual field image as a key frame for adding a new feature point included in this visual field image to the map. In a case where movement of the moving body satisfies a condition provided in advance for at least one of the position and posture of the moving body, the registration unit registers the visual field image as the key frame.SELECTED DRAWING: Figure 2
Patent JP-2020145903-A (JP)
Title: Power supply system
Inventor: TANAKA YOSHINORI
IPC: H01M10/48
Filed: 2019-03-08
Abstract: To take out a low voltage from a high voltage system with a simple configuration and suppress imbalance of capacity between battery cells in the high voltage system in a power supply system that uses multiple types of voltage systems together.SOLUTION: A power supply system 1 can supply electric power to a low voltage load 101 and a high voltage load 102 driven by a voltage higher than that of the low voltage load 101. The power supply system 1 includes: a first battery 10 capable of supplying electric power to the low voltage load 101; and a second battery 20, connected in series to a positive electrode side of the first battery 10, capable of supplying power to the high voltage load 102 together with the first battery 10 connected in series; a balance circuit 40 capable of adjusting capacity of the first battery 10 and capacity of the second battery 20; and a control unit 80 for controlling the balance circuit 40.SELECTED DRAWING: Figure 1
Patent JP-2022065226-A (JP)
Title: cyclotron
Inventor: TAKAHASHI NOBUAKI
IPC: H05H13/00
Filed: 2019-03-11
Abstract: To provide a cyclotron which can cool a magnetic channel properly.SOLUTION: In a cyclotron 1, a magnetic channel 9A is supported by a support plate 31 and provided at a dee electrode 5A in the supported state. A magnetic channel cooling part 70 which cools the magnetic channel 9A is provided at the support plate 31. In other words, the magnetic channel cooling part 70 can cool the magnetic channel 9A through the support plate 31. As described above, the magnetic channel cooling part 70 is provided at the support plate 31, instead of being directly provided at the magnetic channel 9A, to enable the magnetic channel 9A to be cooled in a state that structural and functional restrictions are reduced.SELECTED DRAWING: Figure 5
Patent JP-2020147188-A (JP)
Title: Aerodynamic characteristic control device and method
Inventor: MURAKAMI NAOTAKA
IPC: B62D37/02
Filed: 2019-03-14
Abstract: To improve aerodynamic characteristic of a vehicle without damaging design property and safety of the vehicle.SOLUTION: A aerodynamic characteristic control device vibrates a part of a vehicle body such as a window glass or an outside plate, and forms condensation and rarefaction of air, that is, a portion with high air pressure and a portion with low air pressure on a surface of the part of the vehicle body. This control device exhibits an effect similar to that in the case that plural dimples are formed on the surface of the part of the vehicle body, and can improve aerodynamic characteristic of a vehicle without damaging design property and safety of the vehicle.SELECTED DRAWING: Figure 1
Patent JP-2020155508-A (JP)
Title: Etchant and etching method
Inventor: NAKAJIMA KENJI
IPC: H01L21/3063
Filed: 2019-03-19
Abstract: To provide an etchant which can reduce the surface roughness of an etching face or smooth it in photoelectrochemical etching of a silicon carbide base material.SOLUTION: An etchant according to the present invention is one to be used for photoelectrochemical etching of a silicon carbide base material. The etchant comprises: hydrofluoric acid; nitric acid; and a surfactant. When the etchant contains at least one kind of a cationic surfactant, an ampholytic surfactant and a nonionic surfactant, the total concentration of the at least one surfactant may be e.g. 0.001 mass% or more. With the anionic surfactant, it is preferred that the anionic surfactant is included at e.g. 0.0001 mass% or more to a total quantity of the etchant. An anionic surfactant is attracted to a surface of the base material with a positive potential applied thereto. So, it is considered that the surface roughness of an etching face can be readily reduced or smoothed even with an anionic surfactant lower than those of the other surfactants in concentration.SELECTED DRAWING: Figure 1
Patent JP-2020155547-A (JP)
Title: Magnetic storage device
Inventor: HASHIMOTO SUSUMU
IPC: H01L27/105
Filed: 2019-03-19
Abstract: To provide a magnetic storage device enabling enhancement of characteristics of a magnetic storage layer utilizing a magnetic thin wire.SOLUTION: A magnetic storage device 1 of an embodiment includes: a first magnetic body part 4 extending in a first direction X and having a first end part 4a and a second end part 4b in the first direction; a laminated part 5 laminated in a second direction crossing the first direction X with respect to the first magnetic body part; a first electrode 8A electrically connected to the first end part 4a; and a second electrode 8B electrically connected to the second end part 4b. The laminated part 5 includes; a first layer 6; and a second layer 7 arranged between the first layer 6 and the first magnetic body part 4. The second layer 7 includes a metal oxide, and the first layer 6 includes at least one selected from the metal nitride and metal carbide.SELECTED DRAWING: Figure 1
Patent JP-2020153285-A (JP)
Title: Temperature control system and method for oil to be heated using waste heat
Inventor: ONODERA SHIGEMASA
IPC: F01M11/10
Filed: 2019-03-20
Abstract: To certainly enhance energy efficiency of marine engines such as power generation engines and propulsion engines for ships.SOLUTION: There is provided a temperature control system comprising: a heat exchanger that executes heat exchange between oil to be heated which is introduced into a cleaning device and coolant solution circulated in a marine engine so as to heat the oil to be heated and cools the coolant solution; an oil pipe having a flow path to the cleaning device via the heat exchanger and a flow path to the cleaning device without passing through the heat exchanger; an electromagnetic valve for oil that is arranged in the oil pipe and switches the flow path via the heat exchanger and the flow path without passing through the heat exchanger; a coolant pipe having a flow path via the heat exchanger and a flow path without passing through the heat exchanger; an electromagnetic valve for the coolant solution that is arranged in the coolant pipe and switches the flow path via the heat exchanger and the flow path without passing through the heat exchanger; and a temperature sensor that detects the temperature of the oil to be heated that goes to the cleaning device via the heat exchanger.SELECTED DRAWING: Figure 1
Patent JP-2020152239-A (JP)
Title: Outlet valve
Inventor: MURAKAMI HIROKI
IPC: B62D33/06
Filed: 2019-03-20
Abstract: To suppress the intrusion of water into a cabin caused by water coverage from a vehicle width direction.SOLUTION: An outlet valve 1 comprises a valve opening 19, a bulkhead 17 and a plurality of baffles 31A, 31B. The valve opening 19 is laterally oblong at a lateral width in a vehicle width direction, and longer than a vertical width in a vertical direction, and the bulkhead 17 vertically extends so as to partition the valve opening 19 into a plurality of divided openings 19A, 19B which are aligned in the vehicle width direction. The baffles 31A, 31B are arranged at the divided openings 19A, 19B, respectively, and supported to, and suspended from upper edges of the divided openings 19A, 19B so as to close the divided openings 19A, 19B. The baffles 31A, 31B are blocked in displacement to front sides from closing positions for closing the divided openings 19A, 19B, and can open the divided openings 19A, 19B by being pushed from front sides in the closing positions, and displaced to rear sides. The bulkhead 17 protrudes rearward with respect to rear faces of the baffles 31A, 31B in the closing positions.SELECTED DRAWING: Figure 3
Patent JP-2020159510-A (JP)
Title: Valve unit
Inventor: TAKAHASHI YUSUKE
IPC: F16K31/06
Filed: 2019-03-27
Abstract: To provide a valve unit capable of improving durability.SOLUTION: A valve unit includes: a valve for opening and closing a working fluid chamber and a working fluid flow channel of a fluid machine; a pilot valve having a valve seat and a valve element capable of sitting on the valve seat, and constituted to open and close the valve by opening and closing the working fluid chamber and the working fluid flow channel; a moving member moved in a first direction by electromagnetic force; and an elastic member disposed between the moving member and the valve element. The moving member is moved in the first direction to elastically deform the elastic member, so that the force in the first direction to be transmitted from the elastic member to the valve element is increased, and the valve element can be separated from the valve seat by movement of the valve element in the first direction.SELECTED DRAWING: Figure 2
Patent JP-2020165469-A (JP)
Title: Caliper body of disc brake for vehicle
Inventor: HATAGOSHI GENICHI
IPC: F16D65/02
Filed: 2019-03-29
Abstract: To provide a caliper body of a disc brake for a vehicle of a split type which is reduced in a cost.SOLUTION: A pair of caliper half bodies 6a, 6a which are oppositely arranged at both sides of a disc rotor 2 are made to abut on each other at joining faces 6c, 6c, and connected to each other, thus forming a caliper body 3. In a pair of the caliper half bodies 6a, 6a, a pair of insertion holes 6d, 6d which are opened while opposing the joining faces 6c, 6c are formed in a plurality of sets, and a plurality of connecting parts 6e are formed by making a pair of the insertion holes 6d, 6d abut on each other. Connecting rods 7 which are applied with adhesives are inserted into the connecting parts 6e, and joined to each other, the adhesives are applied to the joining faces 6c, 6c for joining, and a pair of the caliper half bodies 6a, 6a are connected to each other. The connecting rods 7 are formed of light metals.SELECTED DRAWING: Figure 1
Patent JP-2020163061-A (JP)
Title: Game machine
Inventor: OKAMURA GEN
IPC: A63F7/02
Filed: 2019-03-29
Abstract: To provide a game machine capable of improving an amusement of a game.SOLUTION: A game machine executes a privilege game when identification information for indicating a specific determination result is displayed on display means. Variable ball entry means becomes an open state in which game balls can enter when the privilege game is executed, and the game machine comprises a first channel in which the game balls can flow down, and a second channel where the game balls which have flowed down the first channel cannot easily enter. In the game machine, by causing the game balls to flow down the first channel, a ratio of entering the variable ball entry means becomes low relative to when the game balls flow down the second channel, and by causing the game balls to flow down the first channel, the game balls can arrive at the variable ball entry means at a short time relative to when the game balls flow down the second channel, so that the game machine can improve an amusement of a game.SELECTED DRAWING: Figure 1
Patent JP-2019186545-A (JP)
Title: Wide band gap semiconductor device and method of forming the same
Inventor: THOMAS AICHINGER
IPC: H01L29/78
Filed: 2019-04-03
Abstract: To provide a method (100) for forming a wide bandgap semiconductor device (500).SOLUTION: A method (100) includes: forming (110) a gate insulating layer on a wide band gap semiconductor substrate; and using (120) at least first reactive gas species and second reactive gas species to anneal a gate insulating layer. The first reactive gas species is different from the second reactive gas species. The method may include forming (130) a gate electrode on the gate insulating layer after annealing the gate insulating layer.SELECTED DRAWING: Figure 1
Patent JP-2019185042-A (JP)
Title: Electrophotographic photoreceptor, process cartridge, electronic photographic device and manufacturing method of electrophotographic photoreceptor
Inventor: NISHI MASAFUMI
IPC: G03G5/07
Filed: 2019-04-04
Abstract: To provide an electrophotographic photoreceptor having high sensitivity, in which a positive ghost is reduced even after a repeated use.SOLUTION: An electrophotographic photoreceptor includes an undercoat layer, a charge generation layer and a charge transport layer in this order. In the electrophotographic photoreceptor, the undercoat layer contains a cured product of a composition containing an electron transport material, particles whose average primary particle diameter is 10 nm or more and a silicone oil. The content of the particles in the undercoat layer is 3-20 mass%. The content of the silicone oil in the undercoat layer is 0.01-10 mass% with regard to the content of the particles.SELECTED DRAWING: None
Patent JP-2020173285-A (JP)
Title: Rear attachment lens and image capturing optical system using the same
Inventor: ICHIMURA JUNYA
IPC: G03B17/14
Filed: 2019-04-08
Abstract: To provide a rear attachment lens which offers good optical performance even when used with a master lens with a short back focus and a relatively long distance to an exit pupil position.SOLUTION: A rear attachment lens provided herein is designed to be attached to a master lens on the image side to make a focal length of the entire system longer than a focal length of the master lens, and includes a positive lens Lr located on the most image side, the positive lens Lr having a convex surface on the image side. A focal length fe of the rear attachment lens, an imaging magnification βe of the rear attachment lens when attached to the master lens, a distance np2 from a lens surface of the rear attachment lens on the most image side to a rear principal point when attached to the master lens, and others are appropriately set.SELECTED DRAWING: Figure 1
Patent JP-2020174251-A (JP)
Title: Image reader
Inventor: SAKUMA SATOSHI
IPC: G03B27/50
Filed: 2019-04-09
Abstract: To regulate a movement of a reading unit in an up-down direction and a sub-scanning direction in logistics.SOLUTION: An image reader 10 includes a reading unit 15 for reading an image of a document D in a main scanning direction MS, a housing 14 for housing the reading unit, a guide member 13 for guiding a movement of the reading unit in a sub-scanning direction SS orthogonal to the main scanning direction, and a regulation member 31 for regulating the movement of the reading unit in the sub-scanning direction and the movement of the reading unit in an up-down direction VD orthogonal to the main scanning direction and the sub-scanning direction.SELECTED DRAWING: Figure 4
Patent JP-2020094167-A (JP)
Title: Resin composition and electronic device manufacturing method
Inventor: TSUCHIYA EIKO
IPC: C08L101/00
Filed: 2019-04-10
Abstract: To provide a resin composition having a high thermostability while easily removable by dry etching, as a resin composition to be used for forming a sacrificial layer in manufacturing an electronic device.SOLUTION: A resin composition is used for forming a sacrificial layer in manufacturing an electronic device, being non-photosensitive and including a polymer having a non-aromatic cyclic skeleton in a main chain. The polymer here preferably includes, for instance, a structural unit derived from a cyclic olefin monomer, a structural unit derived from a cyclic acid anhydride monomer having a carbon-carbon double bond, etc. Preferably, the resin composition further includes a cross-linking agent selected from an epoxy compound, an oxetane compound, a polyol compound, etc.SELECTED DRAWING: None
Patent JP-2020174004-A (JP)
Title: All-solid battery
Inventor: TAKAI TOMOAKI
IPC: H01M10/0562
Filed: 2019-04-12
Abstract: To reduce the resistance during high-rate charging/discharging and alleviate the difference in SOC occurring in a negative electrode in an all-solid battery containing lithium titanate as a negative electrode active material.SOLUTION: An all-solid battery 101 includes a positive electrode 30, a solid electrolyte layer 50, and a negative electrode 40. A negative electrode active material layer 41 includes a first layer 1 and a second layer 2. The first layer 1 is interposed between the negative electrode current collector 41 and the second layer 2. The second layer 2 is interposed between the solid electrolyte layer 50 and the first layer 1. The first layer 1 contains a first negative electrode active material. The second layer 2 contains a second negative electrode active material. The second negative electrode active material is lithium titanate. The electron conductivity of the first negative electrode active material is higher than that of the second negative electrode active material. The average reaction potential of the first negative electrode active material is lower than the average reaction potential of the second negative electrode active material and higher than the average reaction potential of graphite.SELECTED DRAWING: Figure 3
Patent JP-2020176076-A (JP)
Title: Liquid cleanser composition mainly composed of n-long-chain acylamino acid salt
Inventor: MITSUOKA MASAKAZU
IPC: C11D3/20
Filed: 2019-04-16
Abstract: To provide a liquid cleanser composition which is weakly acidic to neutral, has good feeling of use and good storage stability and is mainly composed of an N-long-chain acylamino acid salt having moderate viscosity as a detergent component.SOLUTION: There is provided a liquid cleanser composition having a pH of 5 or more and less than 8 which comprises the following components (A) to (F): (A) an N-long-chain acylamino acid salt, (B) a long-chain fatty-acid amide propyl betaine, (C) a long-chain fatty-acid polyoxyethylene methyl glucose, (D) potassium chloride, (E) an organic acid and (F) a cationized polymer, where when the liquid cleanser composition comprises an anionic surfactant other than the component (A), the ratio of the N-long-chain acylamino acid salt purity/the total anionic surfactant purity is 0.7 or more.SELECTED DRAWING: None