baber/WOPTO huggingface dataset:
Patent JP-2021027296-A (JP)
Title: Nitride semiconductor substrate
Inventor: IKEJIRI KEITARO
IPC: C23C16/30
Filed: 2019-08-08
Abstract: To provide a technique for increasing a breakdown voltage as to a nitride semiconductor substrate arranged by use of a silicon substrate.SOLUTION: A nitride semiconductor substrate comprises: a silicon substrate; and a nitride semiconductor layer laminated on the silicon substrate. The nitride semiconductor layer includes a first layer formed by AlxGa1-xN(0.9≤x≤1), an AlGaN-containing second layer having an Al composition smaller than an Al composition x of the first layer, and a third layer arranged by laminating a plurality of nitride semiconductor crystal layers different in composition in order from a silicon substrate side. An oxygen density in the second layer is lower than an oxygen density in the third layer.SELECTED DRAWING: Figure 5
Patent JP-2021028314-A (JP)
Title: Method for producing thiolactone compound
Inventor: SEKI MASAHIKO
IPC: C07D495/04
Filed: 2019-08-09
Abstract: To provide a production method for obtaining a high-purity thiolactone compound.SOLUTION: A production method includes a process in which a liquid mixture, obtained by bringing a solution comprising a thiolactone compound of the formula and a poorly water-soluble organic solvent into contact with a cleaning liquid containing water, is controlled to have a pH of 7-8, and the compound is extracted from the liquid mixture, where R1 and R2 each denote H or a ureine protection group.SELECTED DRAWING: None
Patent JP-2021030473-A (JP)
Title: Viscosity controller
Inventor: MATSUOKA YUTAKA
IPC: B05C11/10
Filed: 2019-08-16
Abstract: To provide a viscosity controller capable of supplying a cleaning solvent to printing cylinders.SOLUTION: A viscosity controller 1 comprises: a suction pipe 31 for suctioning ink; an ejection pipe 32 for ejecting ink to an ink plate 20; a circulation pump 33 causing ink to flow downward from the suction pipe to the ejection pipe; a dilution solvent supply pipe 42 for supplying a dilution solvent from an upstream side of the circulation pump; a viscosity detection unit 44 detecting the viscosity of ink flowing on a downstream side of the circulation pump; a cleaning solvent supply pipe 6 which is connected to the upstream side of the circulation pump and causes the circulation pump to suction the cleaning solvent; and a cleaning solvent supply pipe 7 which is branched from the ejection pipe via a selector valve 71 and causes the cleaning solvent to be ejected to the vicinity of printing cylinders 21 and 22. A first operation valve 35 for operating supply and stoppage of ink to be suctioned is provided in the middle of the suction pipe, and a second operation valve 43 for operating supply and stoppage of the cleaning solvent to be flown is provided in the middle of the suction pipe.SELECTED DRAWING: Figure 1
Patent JP-2021030767-A (JP)
Title: Vehicle air guide structure
Inventor: HASHIBA MASARU
IPC: B60R19/48
Filed: 2019-08-19
Abstract: To provide a vehicle air guide structure capable of preventing damage of a heat exchanger at the vehicle rear with an impact absorption structure utilizing an air guide structure.SOLUTION: A vehicle air guide structure is disposed at a portion of a front bumper 1 located behind an air intake port 1a of the front bumper 1. An air guide 2 is provided in front of a heat exchanger 3 disposed behind the front bumper 1 and has an extending wall part 22 protruding to the vehicle rear where the heat exchanger 3 is disposed. A load absorption part A is provided at a base part of the extending wall part 22 of the air guide 2.SELECTED DRAWING: Figure 1
Patent JP-2021034800-A (JP)
Title: Compression device, mobile device, compression method, and program
Inventor: SHAO MING
IPC: H03M7/30
Filed: 2019-08-20
Abstract: To solve the problem in which, when an image captured by an imaging apparatus mounted on a mobile body is displayed on a display device such as a head-mounted display worn by a user, it may not be possible to efficiently compress the image efficiently by only considering the movement of the user's line-of-sight.SOLUTION: A compression device that compresses an image captured by an imaging apparatus mounted on a mobile body may include a circuit configured to identify a change direction in which an image capturing direction of the imaging apparatus changes based on movement information of the mobile body, determine, based on the change direction, a compression condition indicating a compression rate for each of a plurality of regions of the image, and compress the image based on the compression condition.SELECTED DRAWING: Figure 10
Patent JP-2021031921-A (JP)
Title: Door latch device
Inventor: SATO TATSUMI
IPC: E05B81/66
Filed: 2019-08-22
Abstract: To provide a door latch device capable of reducing the number of switches and supplying a necessary signal to a room lamp control unit.SOLUTION: A door latch device 10 comprises: a latch unit 16 that is engaged with a striker; a pull-in unit 18 that changes, when a half latch state where a latch 50 holds a door in a half open state is set, the state to a full latch state where the latch 50 is driven by power of a pull-in motor to hold the door in a fully closed state; and a circuit board 48 that controls the pull-in motor. The latch unit 16 includes an inversion switch 114 that detects the state of the latch, an outer coupler 66 that is connected to a BCM 20 via a first harness 22, an inversion switch terminal 146 that connects the inversion switch 114 to the pin of the outer coupler 66, and a branch pin 152 that branches from the inversion switch terminal 146 and that is connected to the circuit board 48 via a second harness 26.SELECTED DRAWING: Figure 8
Patent JP-2021034659-A (JP)
Title: Solar cell module
Inventor: NAKAMURA YUYA
IPC: H01L31/048
Filed: 2019-08-28
Abstract: To provide a technique to suppress the impact of copper damage.SOLUTION: A twelfth solar cell 10ab has a light-receiving surface 22 and a rear face 24 faced opposite to each other. A first adhesion layer 44 adheres a wire 14 to the light-receiving surface 22, and a second adhesion layer 46 adheres a wire 14 to the rear face 24. A first sealing member 32 seals the twelfth solar cell 10ab from the light receiving surface 22 side, and a second sealing member 34 seals the twelfth solar cell 10ab from the rear face 24 side. The amount of antioxidants contained in the first adhesion layer 44 and the second adhesion layer 46 is larger than that of the antioxidant contained in the first sealing member 32.SELECTED DRAWING: Figure 5
Patent JP-2021035348-A (JP)
Title: Unripe citrus fruit preliminarily processed to be made suitable for food, production method of the same, and food material using unripe citrus fruit
Inventor: MURAKAMI SATORU
IPC: A23N7/01
Filed: 2019-08-30
Abstract: To provide new unripe citrus fruits preliminarily processed to be made suitable for food, enabling a new form of use of unripe citrus fruits, capable of being supplied in a form keeping a sphere especially with unbroken juice sacks, and enabling supplying citrus fruit having a novel size and appearance, and to provide a production method of the same.SOLUTION: Unripe citrus fruits A1 preliminarily processed to be made suitable for food are processed so as to keep a spherical state with fruit bunches in gentle contact by removing skin 2, the peripheral portion of endodermis 31 of the unripe citrus fruits 1, and albedo therebetween, and leaving a side part boundary portion of the endodermis 31 in each of fruit bunch boundaries. A production method of the unripe citrus fruits A1 includes: making an enzyme solution E act on the skin 2 and a boundary between the skin 2 and the endodermis 31 for thinned unripe citrus fruits 1 so as to remove the skin 2 and the peripheral portion of the endodermis 31; and forming an introduction path of the enzyme solution in a fruit core 7 in the skin 2 at the time of making the enzyme solution act on the unripe citrus fruits 1.SELECTED DRAWING: Figure 3
Patent JP-2021039827-A (JP)
Title: Redox flow battery system
Inventor: KITAGAWA HIROSHI
IPC: H01M8/02
Filed: 2019-08-30
Abstract: To provide a redox flow battery system capable of aiming for high output, while preventing mediators on the positive electrode side and the negative electrode side from blending.SOLUTION: A redox flow battery system is equipped with a redox flow type battery cell 10, a first circulation mechanism 20, and a second circulation mechanism 30. The battery cell has a positive electrode chamber 13 for receiving a positive electrode 11, a negative electrode chamber 14 for receiving a negative electrode 12, and a separator 17 for separating the positive electrode chamber and the negative electrode chamber. The first circulation mechanism circulates electrolyte in the positive electrode chamber. The second circulation mechanism circulates the electrolyte in the negative electrode chamber. The electrolyte contains an active material and a mediator. The separator is a porous material. The diameter of the mediator is larger than the pore distribution d50 of the separator.SELECTED DRAWING: Figure 1
Patent JP-2021039184-A (JP)
Title: Image forming device
Inventor: YAMASHITA KENTARO
IPC: G03G15/00
Filed: 2019-08-30
Abstract: To provide an image forming device with which the accuracy of reading a nip image is improved.SOLUTION: Provided is an image forming device comprising: a fixation unit for fixing an unfixed toner image transferred to a sheet to the sheet as a fixed toner image by heat and pressure by a fixing nip; a reconveyance unit for conveying the sheet having passed through the fixation unit toward the fixation unit again; a control unit capable of executing a nip image formation process of forming a nip image that corresponds to the shape of the fixing nip to the sheet; and a read unit for reading the nip image. The control unit sets the temperature of a heating unit at the time the unfixed toner images passes through the fixing nip to a first temperature, and sets the temperature of the heating unit at the time the nip image passes through the fixing nip before the read unit reads the nip image after the nip image is formed on the sheet to a second temperature that is lower than the first temperature.SELECTED DRAWING: Figure 5
Patent JP-2021038322-A (JP)
Title: Polyolefin resin anti-static agent and polyolefin resin composition including the same
Inventor: SATO TAKESHI
IPC: C08L23/02
Filed: 2019-09-03
Abstract: To provide: an anti-static agent excellent in antistaticity, printability to water based ink and slipperiness; and a polyolefin resin composition using the anti-static agent, having printability to water based ink and excellent even in antistatic performance and slipperiness.SOLUTION: A polyolefin resin anti-static agent includes the following component (A)-(C): polyoxyalkylene sorbitan fatty acid ester (A) and polyoxyethylene aliphatic amine (B) and glycerine fatty acid ester (C). A water number served as the drop amount (mL) of ion exchange water added from dropping the ion exchange water (20°C) into a solution (20°C) obtained by adding 30.0 mL of a mixed solvent consisting of dioxane:benzene=9:1 (a volume ratio) to 1.00 g of the anti-static agent to uniformly dissolve the mixture until the solution begins to be continuously cloudy is 8.7-11.0.SELECTED DRAWING: None
Patent JP-2021038584-A (JP)
Title: Coating film forming method
Inventor: MITSUBE SAORI
IPC: B05D5/06
Filed: 2019-09-04
Abstract: To provide a coating film forming method capable of suppressing deterioration of an existing coating film and keeping beauty for a long period of time, while utilizing an uneven pattern and a color pattern of an existing wall face.SOLUTION: A coating film forming method of this invention coats a coating material to an age-deteriorated existing wall face. The existing wall face has an uneven pattern on a surface and comprises an existing coating film. The coating material includes a non-aqueous solvent (A), a resin component (B), and a thickener (C). The resin component (B) includes a polyol compound and a polyisocyanate compound, and includes an acrylpolyol compound with 40000 or lower of weight average molecular weight as the polyol compound. The coating material forms a coating film having a visible light transmission property, and ultraviolet transmittance is 30% or less.SELECTED DRAWING: None
Patent JP-2019202221-A (JP)
Title: Prize acquisition game device
Inventor: TSUKAHARA KEISUKE
IPC: A63F9/30
Filed: 2019-09-04
Abstract: To lighten a burden imposed on a worker who performs replenishment of prize, maintenance, or the like.SOLUTION: A prize acquisition game device includes: a play field for enabling a player to play a prize acquisition game; and a cover part that is a dome-shaped cover part capable of covering the play field and includes an opening/closing door in a shape radially divided from the top thereof and a frame for openably/closably supporting the opening/closing door.SELECTED DRAWING: Figure 1
Patent JP-2021040884-A (JP)
Title: Game machine
Inventor: SHIBATA NOBUYOSHI
IPC: A63F7/02
Filed: 2019-09-10
Abstract: To provide a game machine with improved various presentation control operations that include image presentations.SOLUTION: Address spaces CS0 to CS7 which are located outside a CPU circuit 51 and can specify a memory type and a data bus width respectively are divided into a first space accessible through a predetermined cache memory and a second space accessible without going through the cache memory.SELECTED DRAWING: Figure 7
Patent JP-2020014865-A (JP)
Title: Recirculating fluid management system
Inventor: AARON GERMAIN
IPC: A61B1/303
Filed: 2019-09-12
Abstract: To provide a recirculating fluid management system that prevents intravasation of an inflation fluid.SOLUTION: A recirculating fluid management system 10 comprises: a pump system that causes an inflow of a fluid from a salt water supply source 60 and an outflow of a fluid returning to the salt water supply source; a controller and a control algorithm; and a filter system 180 having characteristics selected for filtering the outflow returning to the salt water supply source. The characteristics of the filter system are selected to guarantee that a filtered fluid returning to the salt water supply source does not substantially cause the activation of such an immune system path as confirmed by a complement activation verification that evaluates at least one of protein complements C3A and C5b.SELECTED DRAWING: Figure 3
Patent JP-2021045221-A (JP)
Title: Game machine
Inventor: TSUCHIYA YOSHITAKA
IPC: A63F7/02
Filed: 2019-09-15
Abstract: To improve the amusement of a game.SOLUTION: A game machine has display means that can display a plural kinds of images. One of the plural kinds of images is a first decorative pattern. The game machine can execute a first performance in which a first decorative pattern is variably displayed in an orientation along a first direction and in a direction along the first direction, and a second performance in which, after the first performance, the first decorative pattern is stopped and displayed in an orientation along a second direction different from the first direction. In the second performance, the first decorative pattern changes in lengthwise direction.SELECTED DRAWING: Figure 62
Patent JP-2021047570-A (JP)
Title: Asset information registration method and asset information registration system
Inventor: KOMATSU SHUHEI
IPC: H04L9/32
Filed: 2019-09-18
Abstract: To provide a safe platform for asset transaction using a blockchain network.SOLUTION: A transaction system using multi-signature includes at least a first user terminal, a second user terminal, and a third user terminal engaged with transaction between the first user terminal and the second user terminal. The system generates cryptographic key address of each of the first user terminal and the third user terminal. The second user terminal requests the third user terminal for remittance processing and discloses a transaction for the remittance processing on a blockchain network. The first user terminal acquires information on the remittance processing from the blockchain network, and executes predetermined processing on the second user terminal. The first user terminal and the second user terminal execute authentication processing on the remittance processing information.SELECTED DRAWING: Figure 6
Patent JP-2021048692-A (JP)
Title: Rotary electric machine
Inventor: TAMURA AKITO
IPC: H02K3/24
Filed: 2019-09-18
Abstract: To provide a rotary electric machine capable of appropriately cooling stator winding.SOLUTION: A rotary electric machine 700 includes: a rotor 710 having a plurality of magnetic poles whose polarities are arranged alternately in the peripheral direction; a stator 720 having multi-phase stator winding 721; and a stator holder 750 retaining the stator 720. On the outside of the stator holder 750 in the radial direction, a plurality of wound core members 730 are arranged at predetermined intervals in the peripheral direction. The stator winding 721 is constituted by winding a conductor material around the wound core member 730. The wound core member 730 is formed with a refrigerant passage 736 for circulating refrigerant.SELECTED DRAWING: Figure 76
Patent JP-2021048701-A (JP)
Title: Power conversion device
Inventor: HIROTA SHOGO
IPC: H02M3/28
Filed: 2019-09-18
Abstract: To provide a low-noise, high-efficiency insulating type DC/DC converter.SOLUTION: In a DAB (dual active bridge) converter, when stepping down a voltage to transfer power from a first DC part to a second DC part, a first bridge circuit 11 includes a period during which conduction is established between the first DC part and primary winding n1 of an insulating transformer TR1 and a period during which both ends of primary winding n1 of an insulating transformer TR2 short-circuit in the first bridge circuit 10. A second bridge circuit 12 includes a rectification period. A control circuit 13 performs variable control of the phase difference between a first leg and a second leg, and performs variable control of a simultaneous off period of a fifth switching element and a sixth switching element, or performs variable control of a simultaneous off period of a seventh switching element and an eighth switching element.SELECTED DRAWING: Figure 1
Patent JP-2021048269-A (JP)
Title: Laser processing method and laser processing device
Inventor: ODANAKA KENTARO
IPC: H01L21/301
Filed: 2019-09-19
Abstract: To easily notice a non-temporary abnormality in laser processing.SOLUTION: A laser processing method includes: a processing step of processing a work by irradiating a top face side of the work with a laser beam; an imaging step of imaging the top face side of the work in predetermined timing during the processing step, and capturing an image in which an irradiated region at the top face side irradiated with the laser beam is imaged; a detection step of detecting at least either a size or a position of the irradiated region which is a brighter region in comparison with other regions, in the image captured in the imaging step; and a calculation step of repeating the imaging step and the detection step in the processing step with respect to a plurality of different regions of the work or performing the imaging step and the detection step in the processing step on each of the plurality of works and calculating a variation in at least either the sizes or the positions of the irradiated regions detected in the detection steps.SELECTED DRAWING: Figure 4
Patent JP-2020058026-A (JP)
Title: Antenna element and antenna array
Inventor: YAMAGUCHI TAKUMI
IPC: H01Q21/06
Filed: 2019-09-20
Abstract: To provide an antenna element having excellent radiation characteristics and suitable for mass production.SOLUTION: An antenna element includes: a conductive member 110 with a block-shape or a plate shape having a conductive surface 110b; and a protrusion pair 114 formed of conductive protrusions 113 connected to the conductive surface 110b and extending in a direction away from the conductive surface 110b. The conductive member 110 has at least one first slot 112 that opens on the conductive surface 110b and its center portion extends in a first direction along the conductive surface 110b. The protrusions intersect with the first direction and align in a second direction along the conductive surface 110b. The antenna element is manufactured by combining two metal molds to form a cavity and injecting a material in a fluid state into the cavity to solidify it. When separating a molded product from the molds, an ejector pin is used that a receiving surface set at a specific part of the molded product is placed in the molds.SELECTED DRAWING: Figure 3
Patent JP-2021050483-A (JP)
Title: Base isolation device and base isolation body equipped with the same
Inventor: TOKUTAKE SHIGETAKA
IPC: F16F7/08
Filed: 2019-09-24
Abstract: To provide a base isolation device capable of repeatedly suppressing excessive relative displacement and an increase in acceleration response when a displacement amount of an upper object with respect to a lower object becomes equal to or larger than a value assumed for the base isolation device, and being easily installed.SOLUTION: A base isolation device 10 includes a guide rail for allowing relative displacement in the horizontal direction between a lower object and an upper object, and a sliding block 12 sliding along the guide rail. The guide rail includes a friction plate 33 extending obliquely to the guide rail and having a friction surface 36 capable of changing an angle over a predetermined range, and an elastic body (33) biasing the friction surface 36 in a direction reducing the angle to the guide rail. The sliding block 12 has a sliding body 37 which slides on the friction surface 36 when the sliding block 12 is displaced by a predetermined value L or more from a reference position along the guide rail, and drives the friction plate 33 in a direction in which the angle of the friction surface 36 increases as the displacement amount increases.SELECTED DRAWING: Figure 3
Patent JP-2021057714-A (JP)
Title: Image reading device
Inventor: HARADA HIROYUKI
IPC: G03B27/62
Filed: 2019-09-27
Abstract: To obtain an image reading device that can be used while installed in a relatively small space.SOLUTION: An image reading device 2 comprises: an image reading unit 23 that optically reads a document image from a document; a front face insertion and ejection port 21 that is an insertion port for documents and an ejection port for a first type document of the documents; a back face ejection port 24 that is an ejection port for a second type document of the documents; and a turn back guide member 25 that guides the second type document ejected from the back face ejection port 24 toward the front face. A controller 33 determines whether a document is the first type document or the second type document, and controls a conveying device to eject the document from the front face insertion and ejection port 21 when the document is the first type document, and eject the document from the back face ejection port 24 when the document is the second type document.SELECTED DRAWING: Figure 1
Patent JP-2021053733-A (JP)
Title: Power tool
Inventor: NAKATSUKA TAKAHIRO
IPC: B25F5/00
Filed: 2019-09-30
Abstract: To prevent a detection signal outputted from a torque sensor part to an amplifier circuit from being influenced by noise.SOLUTION: A power tool comprises: a motor having a rotor and a stator arranged around the rotor; an output shaft mounted with a tip tool, which rotates by power generated by the motor; a torque sensor part, arranged between the stator and the output shaft in a longitudinal direction parallel to a rotary shaft of the motor, which is connected to the output shaft; an amplifier circuit that amplifies a detection signal from the torque sensor part; and a housing having a motor housing part that houses the motor and a grip part. The torque sensor part is arranged closer to a front side than the stator. The grip part is arranged below the motor housing part. The amplifier circuit is arranged above the grip part. The amplifier circuit is arranged closer to the front side than a rear end part of the stator.SELECTED DRAWING: Figure 3