baber/WOPTO huggingface dataset:
Patent JP-2021151094-A (JP)
Title: Power conversion device
Inventor: UCHIDA YOSHITO
IPC: H02M7/48
Filed: 2020-03-19
Abstract: To provide a power conversion device in which electric equipment can be protected from moisture generated due to dew condensation inside a heat exchanger and cooling water leaked and scattered from the heat exchanger, a joint of a pipe, or the like.SOLUTION: A power conversion device M1 has a first drain pan 27 which is arranged at a lower end portion in a vertical direction of a heat exchanger 20 and in which a drain hole 207 provided at a bottom portion of the heat exchanger 20 is opened, and can discharge dew condensation water W in the heat exchanger 20 to the outside of a board 4 via the first drain pan 27. Further, in the power conversion device M1, lower peripheral edge portions in the vertical direction of first and second opening portions 201 and 202 of the heat exchanger 20 are covered with first and second wind tunnel plates 23 and 24. At the lower end portions in the vertical direction of the heat exchanger 20, the due condensation water W generated in the heat exchanger 20 can be prevented from flowing out to the outside of the heat exchanger 20 via the first and second opening portions 201 and 202.SELECTED DRAWING: Figure 6
Patent JP-2021147964-A (JP)
Title: Soil improvement method
Inventor: NAKAJIMA KANSHI
IPC: C09K17/10
Filed: 2020-03-23
Abstract: To provide a soil improvement method which can be applied without any problem even if the moisture ratio of soil to be improved is high so that air permeability, water permeability, and water holding property of soil can be improved.SOLUTION: A soil improvement method includes the steps of: forming an improved soil 23 by adding the solidifying agent 21, a powder-like nodulizing agent 22 containing polymeric compound, and water to a soil 20 to be improved and mixing them together; installing the improved soil 23 on a ground G in a soil improving region; and a leveling and compacting the improved soil 23 that has been installed. The polymeric compound contained in the nodulizing agent 22 is a polymeric compound composed of a composite of magnesium salt of acrylic acid/dimethylaminoethyl methacrylate copolymer and polyethyleneimine.SELECTED DRAWING: Figure 1
Patent JP-2021153259-A (JP)
Title: Discharge control circuit and current source circuit
Inventor: UEDA YUICHI
IPC: G05F1/10
Filed: 2020-03-24
Abstract: To provide a discharge control circuit in which a delay time of a delay circuit can be easily changed, thereby allowing control sequence in power-on and power-off to be freely set.SOLUTION: A discharge control circuit includes: a plurality of discharge elements (M11 to M1n, M21 to M2n); and a plurality of logic circuits (11A, 11B) each of which controls turning-on and turning-off of the plurality of discharge elements on the basis of a control signal (CE) inputted externally. The discharge control circuit configured to pull out charges from a corresponding terminal in response to turning-on of the plurality of discharge elements, further includes at least one delay circuit (13) that delays an output signal of any one logic circuit among the plurality of logic circuits. It is configured so that a signal delayed by the delay circuit is inputted to another logic circuit among the logic circuits and the plurality of discharge elements are controlled in a predetermined order by one control signal.SELECTED DRAWING: Figure 1
Patent JP-2021155062-A (JP)
Title: container
Inventor: SATO MASAYASU
IPC: B65D30/16
Filed: 2020-03-26
Abstract: To provide a container which has a configuration capable of performing both of reduction of materials constituting the container, and securement of sufficient structural strength.SOLUTION: A container 100 comprises: an exterior structure body 20 which is made of an exterior sheet material 21 constituted by laminating an outside film layer 22 and an inside film layer 23; and a container main body 40 which is made of an interior sheet material 41, and has a housing area 17 housing a content 18. The interior sheet material 41 has a first planar part 44, a second planar part 45, a first side edge part 46, and a second side edge part 47. The exterior sheet material 21 has an opening 80 on at least one of an outer surface side of the first planar part 44 and an outer surface side of the second planar part 45, is joined to the first side edge part 46 along the first side edge part 46, and is joined to the second side edge part 47 along the second side edge part 47.SELECTED DRAWING: Figure 1
Patent JP-2021154204-A (JP)
Title: Fine bubble generation nozzle
Inventor: KIMACHI TAKESHI
IPC: B01F5/10
Filed: 2020-03-26
Abstract: To provide a fine bubble generation nozzle capable of securing generation of large volume of fine bubbles by specifying a parameter influencing the capacity generating fine bubbles.SOLUTION: A fine bubble generation nozzle comprises: a housing which partitions a gas flow path; and a fine bubble generator which is built in the housing at one end of the flow path, is formed of a porous body, makes a gas fed from a gas source pass through a hole network and discharges the gas from the surface contacting a liquid. When the below-mentioned expressions (1) and (2) are effected on the basis of an equivalent diameter D which is derived based on a hole area A appearing on the cut area cut by a specified plane, and a circumference length C of the hole, the average value B of a hole-shaped parameter b is in a range of 3.99 to 10.39.SELECTED DRAWING: Figure 6
Patent JP-2021160960-A (JP)
Title: Hydrogen supply system
Inventor: SEIKE TADASHI
IPC: C01B3/56
Filed: 2020-03-31
Abstract: To provide a hydrogen supply system capable of reducing an amount of CO2 generated upon production of hydrogen.SOLUTION: A hydrogen supply system 100 comprises a heating mechanism 20 using electric power for heating a dehydrogenation unit 3. An electric power supply unit 30 supplying electric power to the heating mechanism 20 can supply electric power which is based on renewable energy to the heating mechanism 20 (refer to figure 2(b)). Therefore, the heating mechanism 20 can heat the dehydrogenation unit 3 by the electric power which is based on the renewable energy. The hydrogen supply system 100 uses renewable energy to produce hydrogen, without using fossil fuel, or with an amount of use of fossil fuel reduced. As mentioned above, the energy can be effectively used by using the renewable energy.SELECTED DRAWING: Figure 2
Patent JP-2021158960-A (JP)
Title: Methods for inducing differentiation from pluripotent stem cells to ectodermal cells and methods for making such cells
Inventor: KADOTA JUMPEI
IPC: C12N5/10
Filed: 2020-03-31
Abstract: To provide methods for inducing differentiation to ectodermal cells excellent in differentiation-inducing efficiency from pluripotent stem cells to ectodermal cells and excellent in culture operability as well as methods for making such cells.SOLUTION: Methods for inducing differentiation from pluripotent stem cells to ectodermal cells comprise the steps of: (1) coating a cell culture substrate with one or more substances selected from the group consisting of Matrigel, laminin, fibronectin, vitronectin and collagen where the substrate comprises a region having cell adhesiveness and cell-proliferating property and a region having neither of them and then seeding pluripotent stem cell 1; (2) conducting adhesion culture of the seeded pluripotent cells in the presence of an undifferentiation-maintaining medium in feeder-free conditions to form agglutination of pluripotent stem cells 2 adhered to the cell culture substrate; (3) culturing the formed agglutination of pluripotent stem cells in the presence of a culture medium containing a differentiation-inducing agent so that the cells adhered to the cell culture substrate form germ layer 3; and (4) culturing the formed germ layer in the presence of a culture medium containing the differentiation-inducing agent in the adhered state to the cell culture substrate to form ectodermal cell aggregates 4.SELECTED DRAWING: Figure 1
Patent JP-2021162253-A (JP)
Title: Air conditioning system
Inventor: MORITA SUMIE
IPC: F24F11/58
Filed: 2020-03-31
Abstract: To provide an air conditioning system equipped with a platform which can get access to an air conditioner body from various locations.SOLUTION: An air conditioning system includes a body device, and a remote device. The remote device includes at least an arithmetic processing unit, and software for controlling the arithmetic processing unit, and is connected to the body device via a network. Software of the body device includes a hardware access layer having a driver group for driving hardware, a control layer for controlling a hardware group via the driver group, and a body device side functional layer which receives a command to the body device and outputs an instruction to the control layer. The software of the remote device includes a remote device side functional layer which receives a command to the body device and outputs an instruction to the control layer via the body device side functional layer. A function execution program for executing a function provided by the body device is arranged in at least one of the body device side functional layer and the remote device side functional layer.SELECTED DRAWING: Figure 2
Patent JP-2021159966-A (JP)
Title: Aluminum brazing sheet
Inventor: YOSHINO MICHIHIDE
IPC: B23K35/28
Filed: 2020-03-31
Abstract: To provide an appropriate aluminum brazing sheet used for flux free brazing.SOLUTION: An aluminum brazing sheet contains 1.5 to 14.0 mass% Si. In a thermodynamic calculation, an Al-Si-based brazing material that contains one or more kinds of additional element of 0.01 or more mass% and 0.5 or less mass% satisfying the following formula (1), and in which the total content of the one or more kinds of additional element including any other inevitable impurity elements is included in a range of 0.05 or more mass% and 1.5 or less mass%, is located on the outermost surface of the brazing sheet. Coarse Si particles included in the brazing material, which have a long side whose length is 50 μm or more in a viewing direction of a front layer surface (RD-TD) are 10 particles per as 1000000 μm2. The formula (1) is γx<γ0 and γ3x<γx. However, in the formula (1), γx denotes an activity coefficient of P when adding the additional elements with a target concentration, γ0 denotes an activity coefficient of P when adding no element, and γ3x denotes an activity coefficient of P when each additional element has three times the target concentration.SELECTED DRAWING: Figure 1
Patent JP-2020169387-A (JP)
Title: Metal copper fine particle powder and method for producing the same
Inventor: KOGANEI AKIKO
IPC: B22F1/00
Filed: 2020-04-02
Abstract: To provide a metal copper fine particle powder that is capable of efficiently exhibiting anti-virus properties, and a method for producing the metal copper fine particle powder.SOLUTION: A metal copper fine particle powder comprises metal copper fine particles coated with fatty acids and/or ester compounds.SELECTED DRAWING: None
Patent JP-2021164140-A (JP)
Title: Antenna device
Inventor: FUNATSU SATOSHI
IPC: H01Q5/371
Filed: 2020-04-03
Abstract: To provide an antenna device capable of receiving radio wave in at least three different frequency bands with high sensitivity, with a simple configuration.SOLUTION: An antenna device includes: a power feeding portion; an antenna including a first antenna part electrically connected to the power feeding portion and a second antenna part electrically connected to the power feeding portion; and an amplifier electrically connected to the power feeding portion. The first antenna part includes a first element including a part extending in a first direction, and a first loop element connected to an end of the first element. The second antenna part includes a second element including a part extending in the first direction, and a second loop element connected to an end of the second element. The first loop element includes a part extending in the first direction, and a part extending in a second direction different from the first direction. The second loop element includes a part extending in the first direction, and a part extending in a third direction opposite to the second direction. The first and second loop elements are positioned apart from each other.SELECTED DRAWING: Figure 4
Patent JP-2021164561-A (JP)
Title: Sterilization drying processing device using overheated steam gas and processed product generation method using the same
Inventor: SATO HIROSHI
IPC: F26B3/04
Filed: 2020-04-07
Abstract: To generate efficiently, dry powder state bodies with high quality, by agitating a processing object while drying the same in short time.SOLUTION: A sterilization drying processing device comprises: a kiln 100 whose inside is a closed space; a processing chamber 200 for heating a processing object and pulverizing the object, in the kiln; a heating chamber 300 formed between the kiln and the processing chamber; a first combustion chamber 500 for generating a hot air gas; and a second combustion chamber 600 for generating an overheated steam gas. The hot air gas is supplied into the heating chamber from a hot air gas supply hole of the kiln and the hot air gas after heating the processing chamber is discharged from a hot air gas discharge hole, in the processing chamber, an overheated steam supply hole to which the overheated steam gas is supplied, and an overheated steam return hole for collecting again the overheated steam gas after heating and sterilizing the processing object and returning the same to the first combustion chamber, are provided. In the processing chamber, there is provided pulverization means for agitating and pulverizing the processing object along the step for sterilizing and drying the processing object while heating the same by the overheated steam gas.SELECTED DRAWING: Figure 1
Patent JP-2021168537-A (JP)
Title: Power supply device
Inventor: YAMAGUCHI MASAFUMI
IPC: H01F30/08
Filed: 2020-04-09
Abstract: To provide a small-sized power supply device capable of outputting high power.SOLUTION: A power supply device comprises: a coil unit 10 including a first coil L1 and a second coil L2; a primary side circuit 20, which comprises a first capacitor C1 and a first switch circuit SW1, and in which the first capacitor C1 together with the first coil L1 constitutes a first resonance circuit; a secondary side circuit 30, which comprises a second capacitor C2 and a second switch circuit SW2, and in which a second capacitor C2 together with the second coil L2 constitutes a second resonance circuit; and a control part 40. The first coil L1 and the second coil L2 are fixed so as to face each other at a fixed distance D. The control part 40 controls the first switch circuit SW1 and the second switch circuit SW2 in such a manner that the coil unit 10 performs power transmission via magnetic field resonance.SELECTED DRAWING: Figure 1
Patent JP-2020121716-A (JP)
Title: Power transmission device
Inventor: AIKAWA MASASHI
IPC: B60K17/02
Filed: 2020-04-09
Abstract: To solve a problem about the layout of a power transmission device in an engine compartment of a vehicle.SOLUTION: A power transmission device 1 outputting torque from a first power source and a second power source to axles comprises: a first shaft coupled with the first power source; a second shaft coupled with the second power source; a second gear set drivingly coupled with the second shaft; a clutch configured to receive a fluid pressure to drivingly and releasably couple the second gear set with the first gear set; a third gear set drivingly coupled with the second power source; a pump 17 driven by the third gear set to generate the fluid pressure, the pump being disposed separately from the clutch and in fluid connection with the clutch to supply the fluid pressure; a casing dimensioned to house the clutch and comprising an oil reservoir at a position just below the pump being the lowermost point in the space; and a flow path passing through the casing and establishing fluid communication between the pump and the clutch.SELECTED DRAWING: Figure 1
Patent JP-2020180970-A (JP)
Title: Waste liquid processing method for removing cesium from waste liquid contaminated with radioactive cesium, and device therefor
Inventor: KIM YOUNG-BOK
IPC: G21F9/06
Filed: 2020-04-10
Abstract: To provide a waste liquid processing method for removing cesium from waste liquid contaminated with radioactive cesium and a device therefor.SOLUTION: The present invention relates to a waste liquid processing method for removing cesium from waste liquid contaminated with radioactive cesium and a device therefor. The waste liquid processing method includes the steps of: pretreatment to adjust the pH of waste liquid containing radioactive cesium to a predetermined range; inserting Prussian-blue nano particles in the pH-adjusted waste liquid to adsorb the radioactive cesium contained in the waste liquid; inserting a coagulant for condensing and precipitating the Prussian-blue nano particles in which the radioactive cesium is adsorbed; and separating condensed and precipitated sediment.SELECTED DRAWING: Figure 1
Patent JP-2020112831-A (JP)
Title: Light-emitting device
Inventor: TOYOTAKA KOHEI
IPC: H01L51/50
Filed: 2020-04-13
Abstract: To provide a light-emitting device which can prevent appearance of an after-image after power on.SOLUTION: Before or after supply of power supply voltage applied to a light-emitting element to a pixel is cut, potential of a gate electrode of a transistor controlling the supply of the power supply voltage to the light-emitting element is initialized. Specifically, in the case where the transistor is an n-channel type, the potential of the gate electrode is initialized so that gate voltage is equal to threshold voltage or lower than the threshold voltage. In the case where the transistor is a p-channel type, the potential of the gate electrode is initialized so that the gate voltage is equal to the threshold voltage or higher than the threshold voltage.SELECTED DRAWING: Figure 1
Patent JP-2021170603-A (JP)
Title: Metal laminated board and circuit board
Inventor: TOKUDA KATSUYA
IPC: B32B15/088
Filed: 2020-04-16
Abstract: To provide a metal laminated board and a circuit board in which the sufficient thickness of an insulating resin layer is secured and that can cope with high-frequency transmission accompanying high performance of an electronic device.SOLUTION: A double-sided copper-clad laminate 100 includes a resin laminate 18 containing a plurality of polyimide layers, and copper foil layers 11A and 11B laminated on at least one side of the resin laminate. The resin laminate includes a first polyimide layer (thermoplastic polyimide layers 12A, 12B) having an overall thickness in the range of 40 to 400 μm and in contact with the copper foil layer, and a second polyimide layer (non-thermoplastic polyimide laminate 17) directly or indirectly laminated on the first polyimide layer, and an E value which is an index showing dielectric properties calculated on the basis of E=εc×tanδ [here, εc indicates the relative permittivity at 10 GHz, and tan δ indicates the dielectric loss tangent at 10 GHz] is less than 0.01.SELECTED DRAWING: Figure 1
Patent JP-2021174665-A (JP)
Title: Ignition plug
Inventor: NOGUCHI TOMOHITO
IPC: H01T13/32
Filed: 2020-04-24
Abstract: To provide an ignition plug that can burn fuel gas stably.SOLUTION: An ignition plug includes a bottomed cylindrical insulator that extends along the axis and has a closed tip, a center electrode whose tip is included in the tip of the insulator, a cylindrical main metal fitting that holds the insulator inside, and a cap portion that covers the tip part from the tip side and has a first through hole formed. The cap portion or the main metal fitting is formed with a second through hole that penetrates in the thickness direction of the cap portion or the main metal fitting, the end portion is held by the second through hole, and a ground electrode is provided that protrudes toward the tip portion side from the end portion to form a discharge gap with the tip portion.SELECTED DRAWING: Figure 1
Patent JP-2021175083-A (JP)
Title: Water drop detection device and water drop detection method
Inventor: KAWADA MASASHI
IPC: G03B15/00
Filed: 2020-04-24
Abstract: To provide a water drop detection device and a water drop detection method which inspect a water droplet without obstructing the visibility.SOLUTION: A water droplet detection device that detects water droplets that may adhere to the surface of a light-transparent member includes an imaging unit that captures water droplets, and the imaging unit includes a lens provided away from the member on the opposite side of the surface of the member, and an imaging element that is arranged on the imaging surface at a position farther from the member than the lens in the optical axis direction and receives light incident from the member side through the lens, and the amount of blurring of the background image related to a background object that is farther from the member in the direction away from the imaging surface from the lens in the optical axis direction is 30 pixels or more of the length of the imaging element.SELECTED DRAWING: Figure 2
Patent JP-2021171358-A (JP)
Title: Vacuum cleaner
Inventor: KOBAYASHI TOMOO
IPC: A47L5/36
Filed: 2020-04-27
Abstract: To suppress oscillation of a cleaner body when a vacuum cleaner is used in a shoulder form.SOLUTION: A vacuum cleaner 1 includes: a cleaner body 2 separating and collecting powder dusts from dust-containing air containing powder dusts that are sucked from a cleaned surface; a belt 3 for holding the cleaner body 2; two holding parts which are a first holding part 14 and a second holding part 15, and arranged at positions different from each other of the cleaner body 2 and hold the belt 3 for the cleaner body 2; and an oscillation suppression member 34 for suppressing oscillations of the cleaner body 2 when the cleaner body 2 is used in a hung state with the belt 3.SELECTED DRAWING: Figure 3
Patent JP-2021178045-A (JP)
Title: Game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2020-05-14
Abstract: To provide a game machine that can increase interest of a game.SOLUTION: A performance period of a special development performance is longer than that of a particular development performance. The special development performance includes a first performance in which the visibility of a performance image is reduced, a second performance executed after the first performance in which pre-stage information can be visually displayed, and a third performance executed after the second performance in which post-stage information having a higher degree of emphasis than that of the pre-stage information can be visually displayed. A second difference which is the difference between the rate at which a first suggestion performance is executed in a second development pattern and the rate at which a second suggestion performance is executed in the second development pattern is smaller than a first difference which is the difference between the rate at which the first suggestion performance is executed in a first development pattern and the rate at which the second suggestion performance is executed in the first development pattern.SELECTED DRAWING: Figure 11-30