baber/WOPTO huggingface dataset:
Patent JP-2020170139-A (JP)
Title: Short-wavelength infrared image capturing lens and image capturing device
Inventor: KOIZUMI NOBORU
IPC: G02B13/14
Filed: 2019-04-05
Abstract: To provide a short-wavelength infrared image capturing lens which is sufficiently corrected for both chromatic aberration and spherical aberration in the short-wavelength infrared range without using an aspherical lens and has a sufficient back focus.SOLUTION: A short-wavelength infrared image capturing device is provided, comprising a first lens group GR1 having negative refractive power as a whole and a second lens group GR2 having positive refractive power as a whole in order from the object side. The second lens group has at least one positive lens that satisfies the following conditional expressions (1) and (2) regarding an Abbe number V2p and refractive index N2p: V2p>40 ...(1), N2p>1.7 ...(2), where N2p represents a refractive index N[1.53] of the lens at a wavelength of 1.53 μm. The Abbe number V2p in the short wavelength range is derived as (N[1.53]-1)/(N[0.9]-N[2.325]), where N[0.9] represents a refractive index at a wavelength of 0.9 μm, N[1.53] represents a refractive index at a wavelength of 1.53 μm, and N[2.325] represents a refractive index at a wavelength of 2.325 μm.SELECTED DRAWING: Figure 1
Patent JP-2020173920-A (JP)
Title: Protection element
Inventor: MUKAI KOICHI
IPC: H01H85/0445
Filed: 2019-04-09
Abstract: To provide a protection element with a high blocking speed due to heat generation blocking.SOLUTION: A protection element 1a includes an insulation board 10, a first electrode 11 and a second electrode 12 provided on the upper surface 10a of the insulation board 10, a heating element provided on the upper surface 10a of the insulation board 10, a first heating element electrode 13 and a second heating element electrode 14 connected to the heating element, a third electrode 16 connected to the second heating element electrode 14 via a leader wire 15, a low melting point metal 30 placed on the third electrode 16, a first short wire 31 connecting between the first electrode 11 and the low melting point metal 30, and a second short wire 32 connecting between the second electrode 12 and the low melting point metal 30. When the low melting point metal 30 is melted, a part of the first short wire 31 and the second short wire 32 in contact with the low melting point metal 30 is eroded and fused.SELECTED DRAWING: Figure 1
Patent JP-2020173157-A (JP)
Title: Method for evaluating metallographic structure based on aggregate structure and method of manufacturing steel material using evaluation method thereof
Inventor: KIMURA KAZUHIRO
IPC: G01N23/207
Filed: 2019-04-10
Abstract: To evaluate the residual of solidification segregation of a steel material using a quick and simple method and manufacture a steel material having a small residual degree of solidification segregation.SOLUTION: Disclosed is a method for evaluating a metallographic structure based on an aggregate structure, in which the aggregate structure of a steel material is analyzed using X-ray diffraction to evaluate the residual of coagulation segregation. In a method of manufacturing the steel material, the residual of coagulation segregation is evaluated by the above-mentioned method and the steel material having the small residual degree of coagulation is converted into a product or a homogenizing heat treatment is applied to the steel material with residual solidification segregation to obtain the product.SELECTED DRAWING: Figure 8
Patent JP-2020176632-A (JP)
Title: Worm speed reducer
Inventor: WATANABE MASASHIRO
IPC: B62D5/04
Filed: 2019-04-15
Abstract: To provide a structure which can inhibit displacement of a tip of a worm in a direction perpendicular to a biasing direction in a worm speed reducer including means which elastically biases the tip of the worm to the worm wheel side.SOLUTION: A pad 50 fitted on a tip of a worm extends from a base part 61 in a direction toward a worm wheel with respect to a first direction that is a direction of an elastic force applied to the pad 50 by an elastic member and has elastic contact surfaces 68, each of which elastically contacts with an inner surface 76 of a pad engagement part of a holder 48, on an outer surface with respect to a second direction perpendicular to the first direction.SELECTED DRAWING: Figure 8
Patent JP-2019117415-A (JP)
Title: Electronic apparatus
Inventor: YAMAZAKI SHUNPEI
IPC: G09F9/00
Filed: 2019-04-16
Abstract: To provide a display device which has a display panel on a curved surface and whose volume or weight is suppressed from increasing, or provide an electronic apparatus which has a display panel on a curved surface and whose volume or weight is suppressed from increasing.SOLUTION: A display device comprises a display panel mounted on a curved surface, and driver circuits including circuit elements which are mounted on a plurality of plane surfaces provided on the back of the curved surface in a stepwise shape along the curved surface.SELECTED DRAWING: Figure 1
Patent JP-2020180238-A (JP)
Title: Curable composition, cured product layer, optical laminate, and image display device
Inventor: KOBASHI AI
IPC: B32B27/30
Filed: 2019-04-26
Abstract: To provide a curable composition that can give an optical laminate comprising a cured product layer composed of a cured product of the curable composition and having excellent optical durability under a high-temperature and high-humidity environment.SOLUTION: A curable composition contains an aqueous resin and a silane compound, and the aqueous resin comprises an oxazolyl group-containing polymer. An optical laminate comprises an optical layer and a first cured product layer composed of a cured product of the curable composition.SELECTED DRAWING: Figure 1
Patent JP-2020179005-A (JP)
Title: Robot and method
Inventor: HIGUCHI SEIYA
IPC: B25J13/08
Filed: 2019-04-26
Abstract: To avoid expression of a robot from being restricted due to deflection of a floor surface.SOLUTION: The robot is provided that comprises: a housing; a gravity center movement mechanism moving the gravity center of the robot to change the posture of the robot; a first sensor detecting the posture of the robot; and a processor. The processor controls the gravity center movement mechanism to move the gravity center of the robot to a second position from a first position to thereby change the posture of the robot from a first posture to a second posture, and the processor obtains a measurement value in reference to the detection result of the first sensor. The measurement value corresponds to a variation amount of the posture of the robot when the robot changes its posture to the second posture from the first posture. The processor determines whether the floor surface on which the robot is put is deflected or not by comparing the measurement value and a prescribed reference value with each other.SELECTED DRAWING: Figure 16A
Patent JP-2020180265-A (JP)
Title: Active energy ray-curable flexographic printing ink composition
Inventor: HIROSE TADASHI
IPC: C09D11/101
Filed: 2019-04-26
Abstract: To provide an active energy ray-curable flexographic printing ink composition that uses an increased amount of biomass-derived components and yet has low viscosity, and maintains basic properties of adhesion, scratch resistance, and scratch resistance.SOLUTION: An active energy ray-curable flexographic printing ink composition contains a polyfunctional polyester oligomer, a plasticizer and a photopolymerizable compound and has a viscosity of 300-2000 mPa s.SELECTED DRAWING: None
Patent JP-2020182596-A (JP)
Title: Game machine
Inventor: ICHIHARA TAKAAKI
IPC: A63F5/04
Filed: 2019-04-30
Abstract: To provide a game machine in which ingenuity is exercised for performance.SOLUTION: A game machine that executes a lottery on whether or not to impart a privilege, and controls a game state to any of game states including a normal game state and an advantageous game state in which frequency of the lottery is high as compared with the normal game state includes: performance display means for displaying a predetermined performance; first operation means that can be operated by a player; second operation means that can be operated by the player, and is different from the first operation means; and third operation means that can be operated by the player, and is different from the first operation means and the second operation means. In the advantageous game state, a first instruction performance for urging an instruction for an operation to the first operation means, a second instruction performance for urging an instruction for an operation to the second operation means, and a third instruction performance for urging an instruction for an operation to the third operation means can be displayed in the performance display means simultaneously.SELECTED DRAWING: Figure 696
Patent JP-2019133197-A (JP)
Title: Color display device
Inventor: CRAIG LIN
IPC: G09G3/20
Filed: 2019-05-07
Abstract: To provide suitable methods for driving a color display device, which allow each pixel to display four high-quality color states.SOLUTION: The present invention provides methods of driving a color display device, which allow each pixel to display four high-quality color states. More specifically, an electrophoretic fluid is provided, comprising four types of particles dispersed in a solvent or solvent mixture.SELECTED DRAWING: Figure 4
Patent JP-2020183310-A (JP)
Title: Sheet delivery device, image forming device
Inventor: TSUJIOKA KOJI
IPC: B65H1/12
Filed: 2019-05-08
Abstract: To facilitate operations such as placing a sheet on a sheet tray while shifting a lift plate to a position away from a delivery roller.SOLUTION: A sheet tray 21 can be displaced to a sheet set position where a sheet is placed, from a feeding position protruding to outside of a side surface of a device, in a lower part of the feeding position. A lift plate 23 is supported so as to be able to move up and down between a base end portion 21a of the sheet tray 21 and a delivery roller 22, and an urging member 24 elastically urges the lift plate 23 toward the delivery roller 22. A link mechanism 27 is interlocked with a rotation of the sheet tray 21 from the feed position to the sheet set position, so that the lift plate 23 is displaced downward against an urging force of the urging member 24.SELECTED DRAWING: Figure 3
Patent JP-2020183662-A (JP)
Title: Eaves gutter support tool
Inventor: KITAMURA MASASHI
IPC: E04D13/072
Filed: 2019-05-08
Abstract: To provide an eaves gutter support tool which can be easily attached to an eaves edge portion and in which an eaves edge portion is less likely to be damaged when constructing.SOLUTION: A fixing portion 10 fixed by clamping an eaves edge portion 2 comprises an upper pressing portion 20 and a lower pressing portion 30. The upper pressing portion 20 and the lower pressing portion 30 include cut grooves 25,35 extending in the plate thickness direction from a side end edge of a plate thickness direction, and have a connection structure of crossing to lap at an insertion of each cut groove. With a part where cut grooves connect each other as a fulcrum 15, a clamp portion 16 comprising two freely opening/closing pieces is disposed at a rear side of the fulcrum 15 and an operation portion 17 comprising two freely opening/closing pieces is disposed at a front side of the fulcrum 15. The operation portion 17 is closed in a state where the eaves edge portion 2 is disposed between the two pieces of the clamp portion 16, then the clamp portion 16 is closed to clamp the eaves edge portion 2.SELECTED DRAWING: Figure 1
Patent JP-2020184854-A (JP)
Title: Power converter
Inventor: WATANABE TAKUMI
IPC: H02M7/48
Filed: 2019-05-09
Abstract: To provide a power converter which suppresses heat generation of a capacitor.SOLUTION: A power converter 10 is provided with: a first power module 20-1 including a first terminal 21p1, a second terminal 21n1, and first and second switching elements 25a1 and 25b1 connected in series between the first and second terminals; a second power module 20-2 including a third terminal 21p2, a fourth terminal 21n2, and third and fourth switching elements 25a2 and 25b2 connected in series between the third and fourth terminals; a capacitor 30 including a plurality of unit capacitors 36, first conductors 34p and 33p and second conductors 34n and 33n which connect the unit capacitors to each other in parallel, a first capacitor terminal connected to the first conductors and connected to the first and second terminals, and a second capacitor terminal connected to the second conductors and connected to the third and fourth terminals; a first short circuit conductor 22p connected between the first and third terminals; and a second short circuit conductor 22n connected between the second and fourth terminals.SELECTED DRAWING: Figure 1
Patent JP-2020188524-A (JP)
Title: Power conversion device
Inventor: YAMABE SHOTA
IPC: H01L23/473
Filed: 2019-05-10
Abstract: To provide a power conversion device for achieving improvement of a degree of freedom on wiring and miniaturization by shortening of a wiring length.SOLUTION: A power conversion device 1 comprises a case comprising: a box including a cooling plate 2c and a side wall 2d surrounding a side face of the cooling plate 2c; an upper lid 3 for closing one opening of the box by facing a component mounting face 2e on which a component being one face of the cooling plate 2c is mounted; and a lower lid 4 closing the other opening of the box by facing a coolant passage face where a coolant passage being the other face of the coolant plate 2c is formed. The power conversion device 1 further comprises: a plurality of first components 5a fixed to the cooling plate 2c; a plurality of second components 5b arranged between the first components 5a and the upper lid 3; a coolant passage part 2b formed between the coolant passage face and the lower lid; and electric wiring components 6 which are arranged in a first space between the first first component 5a and the second first component 5a adjacent to the first first component 5a and a second space between the first component 5a and the second component 5b and connect the first component 5a and the second component 5b.SELECTED DRAWING: Figure 2
Patent JP-2020185819-A (JP)
Title: Steering device for vehicle
Inventor: TSUBAKI TAKAHIRO
IPC: B62D6/00
Filed: 2019-05-10
Abstract: To facilitate achievement of a steering torque equivalent to a steering angle without being influenced by a state of a road surface or without depending on a secular change in the mechanism characteristics of a steering system and to alleviate the load on a driver by smoothly returning a steering wheel to around a neutral position.SOLUTION: The steering device for a vehicle, assist-controlling a steering system, includes: a target steering torque generation section for generating a target steering torque; a conversion section for converting the target steering torque into a target twisting angle; a twisting angle control section for calculating a motor current command value to track a twisting angle to the target twisting angle; and a steering wheel return compensation section which comprises a manual input torque estimation section for determining a manual input torque estimation value and a differentiation section for calculating first angular speed information, and which determines a return compensation signal for steering wheel return compensation of compensating for a steering wheel return using the first angular speed information and the manual input torque estimation value. The steering device for the vehicle controls driving of a motor on the basis of the motor current command value reflecting steering wheel return compensation by the return compensation signal.SELECTED DRAWING: Figure 5
Patent JP-2020186310-A (JP)
Title: Adhesive layer, adhesive sheet, laminate and method for producing laminate
Inventor: YAMAMOTO MASAYUKI
IPC: C09J4/02
Filed: 2019-05-14
Abstract: To provide: an adhesive layer capable of forming an adhesive sheet having low moisture permeability and excellent durability; an adhesive sheet comprising the adhesive layer; a laminate; and a method for producing a laminate.SOLUTION: There is provided an adhesive layer which contains an adhesive composition comprising a polyolefin, a (meth)acrylic monomer and a hydrogen abstraction-type initiator and satisfies the following physical properties (1) and (2) when cured after irradiating an active energy ray so that an integrated light quantity is 3000 mJ/cm2. Physical property (1): In the tensile test measurement at a tensile speed of 10 mm/min, the elongation at break is 1200% or more and the stress under a strain of 1000% is more than 0.40 N/mm2 or more. Physical property (2) : the moisture permeability at a thickness of 100 μm is 50 g/m2 24hr or less.SELECTED DRAWING: None
Patent JP-2019134721-A (JP)
Title: Beer taste beverage
Inventor: TAKOI KIYOSHI
IPC: C12G3/04
Filed: 2019-05-17
Abstract: To provide a beer taste beverage hardly providing remarkable feeling with alcohol taste of added drinking alcohol even when use ratio of wheat is low.SOLUTION: The beer taste beverage contains a wheat-derived component and drinking alcohol, having content of purine body of 1.1 mg/100 mL or less and satisfies following (1) and at least one of following (2) to (7). (1) alcohol content:1 to 8%. (2) bitterness value:7 to 35. (3) content of acesulfame potassium;10 to 30 ppm.(4) total content of specific salts:50 to 1000 ppm. (5) content of specific acidulant:250 to 1500 ppm in terms of citric acid. (6) content of naringin:100 to 300 ppm. (7) content of caffeine:200 to 600 ppm.SELECTED DRAWING: None
Patent JP-2019199608-A (JP)
Title: Quick curable epoxy type
Inventor: SPYROU EMMANOUIL DR
IPC: C09J11/06
Filed: 2019-05-17
Abstract: To provide an epoxy type which more quickly responds than a conventionally known compound under the same condition, and to provide an epoxy compound which is more quickly initially cured or cured than a conventional compound at a temperature clearly below room temperature, and less likely contaminates an environment.SOLUTION: A low alkyl phenol composition contains a) at least one epoxy resin, b) at least one amine having at least two secondary amino groups that are organic cyclic components, and c) at least one Broensted strong acid salt having counter ions selected from metal ions, metal-containing ions, phosphonium ions and ammonium ions.SELECTED DRAWING: None
Patent JP-2020190523-A (JP)
Title: Airtightness inspection device
Inventor: WATANABE TAKAAKI
IPC: G01M3/32
Filed: 2019-05-23
Abstract: To provide an airtightness inspection device capable of easily carrying out an inspected workpiece.SOLUTION: A workpiece holder 10 has a plurality of chambers 15 for housing a workpiece W to be inspected. The chamber 15 extends linearly and horizontally and penetrates the workpiece holder 10, and both ends of the chamber 15 are opened on both side surfaces 11 and 12 of the workpiece holder 10. Test pressure is supplied to the chamber 15 while openings 15a, 15b at both ends of the chamber 15 are respectively sealed by sealing body 61, 62. A pressure sensor 75 monitors change in pressure in the chamber 15 in order to inspect airtightness of the workpiece W in the chamber 15.SELECTED DRAWING: Figure 2
Patent JP-2020193832-A (JP)
Title: Radiation monitoring device
Inventor: HATAKEYAMA SHUICHI
IPC: G01T1/36
Filed: 2019-05-27
Abstract: To realize a high-level measurement function of a radiation monitoring device.SOLUTION: A radiation monitoring device 101 comprises a radiation detection part 2 having a phosphor that emits light due to incident radiation, a photodetector 4 for converting a photon group having a single photon or a plurality of single photons generated by the radiation detection part 2 into an electrical pulse signal, and an analysis part 5 for analyzing the electrical pulse signal. The phosphor emits light based on a plurality of light emission phenomena with difference attenuation time constants. The analysis part 5 includes a signal discrimination circuit 6 for discriminating the electrical pulse signal output by the photodetector 4, a dose rate calculation circuit 7 for calculating a dose rate of the radiation on the basis of a counting rate of the discriminated electrical pulse signal, and an additional energy calculation circuit 8 for calculating additional energy of the radiation on the basis of a peak value of the discriminated electrical pulse signal.SELECTED DRAWING: Figure 1
Patent JP-2020194039-A (JP)
Title: Imaging device and sensor tilting control method
Inventor: KIMURA HIROAKI
IPC: G03B5/00
Filed: 2019-05-27
Abstract: To adjust a tilt angle of an imaging element automatically.SOLUTION: An imaging device comprises: an imaging element 106 for imaging an optical image formed by an imaging optical system 100 having a variable focal distance, and control means 113 for controlling a tilt angle of the imaging element with respect to a plane orthogonal to an optical axis of the imaging optical system. The control means stores a first tilt angle in which a subject included in each of a plurality of regions on the imaging element is focused for each region when the focal distance is a first focal distance. When the focal distance is changed to a second focal distance that is longer than the first focal distance, the control means changes the tilt angle to a second tilt angle by calculating the second tilt angle in which the subject imaged in a specific region of the plurality of regions within an imaging screen after the focal distance is changed is focused, using the first tilt angle stored for the specific region.SELECTED DRAWING: Figure 1
Patent JP-2020033540-A (JP)
Title: Silsesquioxane-containing polyimide
Inventor: TANAKA TORU
IPC: C08G73/10
Filed: 2019-05-27
Abstract: To provide polyimide having high transparency by using a double-decker silsesquioxane compound capable of being synthesized simply at low cost.SOLUTION: There is provided silsesqioxane-containing polyimide obtained by heating a silsesquioxane-containing polyimide precursor having a structural unit represented by the following general formula (I). Reach independently represents H, a C1 to 8 alkyl group, or a C6 to 14 aryl group, Rto Reach independently represents a C1 to 8 alkyl group, or a C6 to 14 aryl group, Rand Reach independently represents H or a monovalent organic group, Y each independently represents a single bond or a C1 to 8 alkylene group.SELECTED DRAWING: Figure 1
Patent JP-2020195115-A (JP)
Title: High frequency circuit and communication device
Inventor: TAKEUCHI TAKEHISA
IPC: H03H9/17
Filed: 2019-05-30
Abstract: To provide a high frequency circuit that can separate high frequency signals of a plurality of communication bands with high isolation and low loss.SOLUTION: A high frequency circuit 1 includes: an elastic wave filter 11A connected to a common terminal 100 and including a first elastic wave resonator; an LC filter 12A connected to the common terminal 100 via the elastic wave filter 11A and including at least one of an inductor and a capacitor; an elastic wave filter 11B connected to the common terminal 100 and including a second elastic wave resonator; and an LC filter 12B connected to the common terminal 100 via the elastic wave filter 11B and including at least one of an inductor and a capacitor.SELECTED DRAWING: Figure 1
Patent JP-2020196967-A (JP)
Title: Spun-dyed meta-type whole aromatic polyamide fiber and method of producing the same
Inventor: TAKEYAMA NAOHIKO
IPC: D01F6/90
Filed: 2019-05-31
Abstract: To provide a spun-dyed meta-type whole aromatic polyamide fiber colored with a desired shade and containing 1 ppm or less of chlorinated benzene and/or a derivative thereof in the fiber.SOLUTION: A method of producing a spun-dyed meta-type whole aromatic polyamide fiber of this invention includes: adding a coloring agent which is a coloring agent composed of 2 or more kinds of organic pigment and in which the total contents of chlorinated benzene and/or a derivative thereof contained in the coloring agent is 500 ppm or less to a dope for spinning meta-type whole aromatic polyamide; and spinning the dope into the fiber.SELECTED DRAWING: None