baber/WOPTO huggingface dataset:
Patent JP-2021135471-A (JP)
Title: Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method
Inventor: SUMIKURA YASUO
IPC: G03G9/113
Filed: 2020-02-28
Abstract: To provide an electrostatic charge image developer that prevents uneven glossiness of an image.SOLUTION: An electrostatic charge image developer has: a toner that has toner particles including a crystalline resin and an external additive attached to the surface of each of the toner particles; and a carrier that has magnetic particles and a resin layer covering each of the magnetic particles and including inorganic particles, wherein the average particle diameter of the inorganic particles is 5 nm or more and 90 nm or less and the average thickness of the resin layers is 0.6 μm or more and 1.4 μm or less, and when its surface is three-dimensionally analyzed, the ratio of a surface area B to a plan view area A (B/A) is 1.020 or more and 1.100 or less.SELECTED DRAWING: None
Patent JP-2021138167-A (JP)
Title: Vehicle body structure member design method
Inventor: ABE MASAHIKO
IPC: B62D25/04
Filed: 2020-03-02
Abstract: To provide a design method for a novel and improved vehicle body structure member that can secure a high bending resistance.SOLUTION: A design method is for a vehicle body structure member to which bending is applied. With the cross-sectional coefficient in a vertical cross-section to the lengthwise direction being as Z, the maximum bending moment being as Mmax, the yield moment being as My, the function that represents the influence of work-hardening being as g(c), and the function that represents the influence of the progress of plastic deformation being as f(σcr(R)/σy), the vehicle body structure member design method designs the cross-sectional shape and/or material of the vehicle body structure member so as to satisfy the following formulae (1) and (2).[Formula 1]SELECTED DRAWING: Figure 1
Patent JP-2021140605-A (JP)
Title: Line segment detector, and line segment detection program
Inventor: SATO NORIKAZU
IPC: G06T7/60
Filed: 2020-03-06
Abstract: To correctly detect individual fillers as line segments even when a plurality of fillers intersect or curved fillers exist in an image.SOLUTION: A line segment detector 10 comprises: a binarization operation unit 101 that binarizes an image; a thinning operation unit 102 that thins the binarized image, and extracts feature points from the thinned image; a connected region detection operation unit 103 that searches for feature points and detects a set of feature points to be connected; a line segment fitting operation unit 104 that evaluates, from the set of feature points, the continuity and the linearity of the feature points so as to fit a plurality of line segments; and a line segment integration operation unit 105 that evaluates the continuity and the linearity between the plurality of line segments, and integrates integratable line segments into one line segment.SELECTED DRAWING: Figure 2
Patent JP-2021145467-A (JP)
Title: Level switch
Inventor: FUKUI Shimpei
IPC: H02P25/04
Filed: 2020-03-12
Abstract: To provide a level switch capable of surely and completely blocking a supply voltage to a motor without constituting a suicide circuit when detecting a deposit.SOLUTION: When rotations of a blade 5 and a shaft 4A are restricted by existence of a deposit, a motor 4 rotates around the shaft 4A, and a switch actuation bar 4B applies pressing to an actuator part 6A of a microswitch 6. With this pressing, the microswitch 6 outputs a second signal S2 indicating a transition from an ON state to an OFF state to a delay circuit 7 and at a time point after the lapse of just a delay time α from a reception time of the second signal S2, the delay circuit 7 outputs a third signal S3. A control circuit 9 outputs a fourth signal S4 at a level for switching a semiconductor element 10 from the ON state to the OFF state to the semiconductor element 10. The semiconductor element 10 is switched to the OFF state, and the application of a first signal S1 applying a supply voltage of the motor 4 to the motor 4 is surely and completely blocked.SELECTED DRAWING: Figure 3
Patent JP-2021145234-A (JP)
Title: User interface device
Inventor: MAEDA TOMOHIRO
IPC: H04R3/12
Filed: 2020-03-12
Abstract: To provide a user interface device which presents stereo acoustics suppressing discontinuous feelings by enabling a user to smoothly recognize movements of a sound source position.SOLUTION: A stereo acoustic system 1 comprises: a plurality of loudspeakers 11-14 disposed around a reference point where a user is positioned; a plurality of vibrators 21-28 disposed in a plurality of directions in a view from the reference point; and a control unit 40 for controlling sonic waves output from the plurality of loudspeakers 11-14 and vibration of the plurality of vibrators 21-28. The plurality of vibrators 21-28 are disposed in such a manner that the vibrators are contactable to a body surface of the user positioned at the reference point. The control unit 40 identifies a sound source direction, in the view from the reference point of sonic waves output from the plurality of loudspeakers 11-14, selects a specific vibrator corresponding to the sound source direction from among the plurality of vibrators 21-28, and causes the specific vibrator to output vibration based on sonic waves to be output when outputting the sonic waves.SELECTED DRAWING: Figure 1
Patent JP-2021141861-A (JP)
Title: Method for screening and producing antibody with improved affinity to antigen
Inventor: KOBAYASHI NORIHIRO
IPC: C07K16/44
Filed: 2020-03-13
Abstract: To provide a method for screening an antibody with improved affinity to an antigen comparing to the original antibody by amino acid substitution or amino acid insertion of a framework region 1 of an H chain variable region in a known antibody.SOLUTION: A method for screening an antibody with improved affinity to an antigen comparing to the original antibody includes the steps of: (1-1) substituting at least one amino acid selected from first to third, fifth to seventh, ninth and tenth amino acids of the framework region 1 in the H chain variable region (VH domain) defined by Kabat method in the original antibody to produce a modified antibody; or (1-2) inserting 1 or more and 6 or less of amino acids in total of the framework region 1 in the H chain variable region (VH domain) defined by Kabat method in the original antibody at one or more positions selected from between fourth and fifth amino acids, between fifth and sixth amino acids, between sixth and seventh amino acids, and between seventh and eighth amino acids to produce a modified antibody; (2) measuring affinity to an antigen of the modified antibody; and (3) comparing affinity to the antigen of the modified antibody which was measured in step (2) with affinity to the antigen of the original antibody to select the modified antibody with improved affinity to the antigen.SELECTED DRAWING: None
Patent JP-2021149210-A (JP)
Title: Information processing device, information processing method and system
Inventor: HARADA TAKAHIRO
IPC: G06Q50/30
Filed: 2020-03-16
Abstract: To effectively utilize a first unit which is separable from a vehicle owned by a user and which is capable of autonomously running for the delivery of a delivery package.SOLUTION: An information processing device manages a plurality of first units which is separable from corresponding vehicles owned by a plurality of users, respectively, is capable of autonomously running, and can be coupled with a second unit that has a space for loading thereon a delivery package. The information processing device includes a control unit that executes: obtaining, for each of the plurality of first units, first unit information that contains information relating to an unutilized time period that is a time period at which there is no schedule that the first unit is utilized by the user; obtaining second unit information that contains information on the number of second units utilized for the delivery of delivery package within a predetermined time period; and selecting, on the basis of the first unit information and of the second unit information, the first unit coupled to the second unit and utilized for the delivery of the delivery package within the predetermined time period from among the plurality of first units.SELECTED DRAWING: Figure 6
Patent JP-2020157058-A (JP)
Title: Ultrasonic wave automatic scan system, ultrasonic diagnostic device and ultrasonic scan support device
Inventor: KOBAYASHI YUSUKE
IPC: A61B8/14
Filed: 2020-03-19
Abstract: To achieve efficiency of ultrasonic scanning performed by a robot.SOLUTION: An ultrasonic automatic scan system comprises at least one ultrasonic probe 2, a mechanical structure 6, a detection unit, a control unit and a scan control unit. The ultrasonic probe transmits and receives ultrasonic. The mechanical structure holds the ultrasonic probe and moves the ultrasonic probe in a state of directing a transmission/reception surface of the ultrasonic toward a subject. The detection unit detects distance information between a body surface of the subject and the transmission/reception surface on each of a first scan position and a second scan position along a body surface of the subject on the basis of the ultrasonic which is transmitted and received by the ultrasonic probe. The control unit controls the mechanical mechanism so as to move the ultrasonic probe on the basis of the distance information. The scan control unit controls scanning of the subject at the first and second scan positions. The control unit controls the mechanical mechanism so as to move the ultrasonic probe to the second position after detection of the distance information and the ultrasonic scan are executed on the first position.SELECTED DRAWING: Figure 1
Patent JP-2021151097-A (JP)
Title: Photoelectric conversion module
Inventor: HONDA TETSUYA
IPC: H02J7/35
Filed: 2020-03-19
Abstract: To suppress the decrease in current output of the entire photoelectric conversion module in the photoelectric conversion module having photoelectric conversion elements connected in parallel.SOLUTION: The photoelectric conversion module has a substrate and two or more photoelectric conversion elements mounted on the substrate. Each of the two or more photoelectric conversion elements is connected in parallel. Reverse current prevention means is connected in series to at least one of the two or more photoelectric conversion elements.SELECTED DRAWING: Figure 4
Patent JP-2021148283-A (JP)
Title: Metal pipe having corrosion-resistant layer
Inventor: YANAGITANI HITOSHI
IPC: C09D167/00
Filed: 2020-03-23
Abstract: To provide a metal pipe with high corrosion resistance, which has a metal sprayed coating, particularly, a zinc-based sprayed coating on an outer surface of a metal pipe, and which has a powdered paint used for an outer layer.SOLUTION: In a metal pipe, a corrosion-resistant layer, which includes a metal sprayed coating layer (a), a film layer (b) using a sealing treatment agent, and a film layer (c) using a powdered paint in order from a pipe surface to the outside, is provided on an outer surface of the pipe. In particular, the metal pipe has the corrosion-resistant layer in which the film layer (c) using the powdered paint is subjected to powder coating selected from among an epoxy powdered paint, a polyester powdered paint and an epoxy polyester powdered paint.SELECTED DRAWING: None
Patent JP-2021009680-A (JP)
Title: Computer system and program
Inventor: KORA Takeshi
IPC: G08G1/005
Filed: 2020-03-27
Abstract: To properly manage travel paths from a departure place to a destination.SOLUTION: A computer system according to one embodiment comprises at least one processor. Referring to a map database, in which map data shared among multiple companies is stored, the at least one processor searches for one or more travel paths corresponding to search conditions indicating at least a departure place and a destination that are specified by a user; for each of at least one of the found one or more travel paths, generates travel data, in which a combination of the user and the travel path is associated with a travel ID corresponding to the combination; and stores the generated travel data in a travel database so that the multiple companies can share the travel data.SELECTED DRAWING: Figure 6
Patent JP-2020109192-A (JP)
Title: Adhesive composition and surface protective film
Inventor: NAGAKURA TAKESHI
IPC: C09J11/08
Filed: 2020-03-27
Abstract: To provide an adhesive composition that has excellent antistatic performance, is excellent in a balance of adhesive force at a low-speed peeling rate and at a high-speed peeling rate and is also excellent in durability performance and rework performance.SOLUTION: An adhesive composition comprises an acrylic polymer that is obtained by copolymerizing (A) a (meth)acrylic acid ester monomer having a C4-C18 alkyl group, (B) a copolymerizable monomer containing a hydroxyl group, (C) a copolymerizable monomer containing a carboxyl group, (D) a polyalkylene glycol mono(meth)acrylic acid ester monomer, and (E) a nitrogen-containing vinyl monomer free from a hydroxyl group or an alkoxy group-containing alkyl (meth)acrylate monomer, and the adhesive composition further contains (F) a difunctional or higher isocyanate compound, (G) a crosslinking catalyst, (H) a keto-enol tautomer compound, (I) an antistatic agent and (J) a polyether-modified siloxane compound with an HLB of 7-15.SELECTED DRAWING: None
Patent JP-2021156847-A (JP)
Title: Air-fuel ratio sensor controller
Inventor: UEMURA SHINYA
IPC: G01N27/41
Filed: 2020-03-30
Abstract: To provide an air-fuel ratio sensor controller with which it is possible to reduce as much as possible the adverse effect on the sensor current of an air-fuel ratio sensor of the noise caused, for example, by heater energization or voltage application.SOLUTION: An air-fuel ratio sensor controller comprises: a heater energization unit 50 for exercising energization on/off control on a heater 12 on a prescribed cycle; a voltage application unit 70 for controlling the applied voltage to a sensor element 11 in accordance with the current value outputted from the sensor element; a current detection unit 80 for detecting the current flowing in the sensor element 11 as a physical quantity that represents an air-fuel ratio; and a control unit 60 for controlling the operation of the heater energization unit 50, voltage application unit 70 and current detection unit 80. The control unit 60 performs current detection operation by the current detection unit 80 during a period that a prescribed time is subtracted from a switching timing where energization to the heater 12 is turned on/off to the heater energization unit 50.SELECTED DRAWING: Figure 1
Patent JP-2021160389-A (JP)
Title: Bolt fastening structure for in-wheel motor drive device
Inventor: SUGIURA SAORI
IPC: F16B37/14
Filed: 2020-03-30
Abstract: To provide a structure which reduces air pressure in a peripheral space of a head of a bolt that penetrates a casing of an in-wheel motor drive device.SOLUTION: A bolt fastening structure for in-wheel motor drive device comprises: a casing 39 of an in-wheel motor drive device; an adapter 41 attached to an outer wall surface of the casing 39; a head 43b and a shank 43c of a bolt which are caused to pass through an open hole 39h, that penetrates the casing 39, from an inner wall surface of the casing, engage with a female screw hole 41m provided in the adapter 41, and fasten the adapter 41 to the casing 39; a bolt cap 45 which is provided on the inner wall surface of the casing 39, covers the head 43b of the bolt, and blocks a peripheral space S of the head 43b from an internal space R of the casing 39; and a groove 43g, the open hole 39h, and the female screw hole 41m as an air passage which communicates an external space U of the casing 39 and the peripheral space S.SELECTED DRAWING: Figure 4
Patent JP-2021162479-A (JP)
Title: Model ship test automated system
Inventor: HAMADA TATSUYA
IPC: G01M10/00
Filed: 2020-03-31
Abstract: To provide a model ship test automated system capable of automatically and accurately performing adjustment of draft, in a model ship test using a water tank.SOLUTION: There is provided a model ship test automated system using a water tank 100, comprising: a model ship body 10; draft setting means 20 for setting draft of the model ship body 10; draft adjusting means 30 for adjusting draft of the model ship body 10; draft detecting means 40 for detecting draft of the model ship body 10; and control means 50 for detecting draft by the draft detecting means 40 so as to acquire the draft set by the draft setting means 20, for controlling the draft adjusting means 30, in which adjustment of the draft is automatically performed.SELECTED DRAWING: Figure 1
Patent JP-2021162002-A (JP)
Title: Intake air cooling system
Inventor: NARAHARA KAZUAKI
IPC: F02M31/20
Filed: 2020-04-03
Abstract: To provide an intake air cooling system capable of controlling resistance to an engine due to pre-cooling of an evaporator.SOLUTION: An intake air passage 130a of an intake air cooling system 1 is branched into a first intake air passage 131 and a second intake air passage 132. An intake air evaporator 35 is installed in the second intake air passage 132 and cools air flowing therein. When determining that a drive state of an engine 120 is not within a knocking generation region, a controller 6 controls: a compressor 31 in a manner that makes a flow rate of a coolant to be supplied to the intake air evaporator 35 smaller, in a range that the flow rate is larger than zero, than the flow rate when determining that the drive state of the engine 120 is within the knocking generation region; and a damper D in a manner that makes a ratio of the flow rate of the air flowing into the second intake air passage 132 smaller than the ratio when determining that the drive state of the engine 120 is within the knocking generation region.SELECTED DRAWING: Figure 1
Patent JP-2021159986-A (JP)
Title: Method for manufacturing crankshaft
Inventor: OKUBO JUNICHI
IPC: B21K1/08
Filed: 2020-04-03
Abstract: To provide a method for manufacturing a crankshaft capable of making a counter-weight lighter while securing the moment of the counter-weight.SOLUTION: A method for manufacturing a crankshaft includes the following steps (a) to (c). The step (a) is to mold a finished forged product 10 with burr having a pad 18 by mold forging. The step (a) is also to protrude the pad 18 in a rotation axis X1 direction from a surface of a counter-weight 14. The step (b) is to remove the burr. The step (c) is to press side surfaces of the counter-weight 14 along the width direction of the counter-weight 14 by using a pair of molds 23, and correct a bend of the finished forged product 10. The step (c) is also to press down the pad 18 along the rotation axis X1 direction by using a jig 40 including a main surface 41, and flow a material for the pad 18 into the counter-weight 14.SELECTED DRAWING: Figure 11B
Patent JP-2021166573-A (JP)
Title: Computer program and computer device
Inventor: OKUYAMA MOTOKI
IPC: A63F13/69
Filed: 2020-04-09
Abstract: To provide a computer program capable of providing a gadget for granting a character close to a user's request.SOLUTION: A computer program allows a computer to function as medium lottery execution means for determining a winning medium related to user's identification information from plural kinds of game media, plural lottery tables in which at least one of a game medium type and a game medium winning probability differs mutually are prepared for lottery tables that store plural kinds of game medium and are used for a medium lottery, and the medium lottery execution means selects at least two lottery tables from among plural lottery tables, executes multi-lottery processing for executing each of medium lotteries on the basis of at least two selected lottery tables, and relates at least one game medium from among plural game media selected on the basis of each medium lottery to the user's identification information as a winning medium.SELECTED DRAWING: Figure 1
Patent JP-2021167640-A (JP)
Title: Scroll type seal system and seal member
Inventor: KOBAYASHI YOSHIHITO
IPC: F16J15/10
Filed: 2020-04-13
Abstract: To provide an inexpensive detachable seal system capable of securing sealing even when a dimension of a through hole, and the number, layout and dimension of an inner member are various in sealing between the through hole of an outer member and the inner member disposed in the through hole.SOLUTION: In a scroll type seal system and a seal member, the seal member 4 is a substantially columnar body composed of a soft material, and includes at least one longitudinal through hole 6 formed separately from its outer side face 20. The longitudinal through hole 6 is provided with a curved face-like slit connected to the outer side face 20 of the seal member 4 and penetrating in the longitudinal direction, and the seal member 4 is incorporated in a manner that compressive residual stress acts on the seal member 4 in mounting the seal member 4 in a state of surrounding the inner member 3, in the through hole 5 of the outer member 2.SELECTED DRAWING: Figure 1
Patent JP-2021166980-A (JP)
Title: Method for treating pit wastewater
Inventor: NAKAYAMA SHOTA
IPC: C02F1/64
Filed: 2020-04-13
Abstract: To provide a treatment method which can treat conversion into manganese-containing sediment and fluorine-containing sediment in acidic pit wastewater containing manganese and fluorine by a series of steps, and unifies sedimentation treatment and enhances treatment efficiency.SOLUTION: A method for treating pit wastewater includes subjecting acidic pit wastewater containing manganese and fluorine to primary neutralization so as to have a pH of 9.5 or more, subjecting the acidic pit wastewater to aeration treatment, and generating manganese-containing sediment obtained by oxidizing manganese hydroxide (II) (manganese-containing sedimentation step), then adding a sulfuric acid to the sediment, subjecting the sediment to reverse neutralization so as to have a pH of 8.0-9.0, then mixing fluorine-containing sediment generated in the following secondary neutralization with the sediment, solid-liquid separating mixed sediment of the manganese-containing sediment and the fluorine-containing sediment, adding an aluminum source and slaked lime to a liquid content obtained by solid-liquid separating the mixed sediment, subjecting the mixture to secondary neutralization so as to have a pH of 6.0-8.0, generating fluorine-containing sediment obtained by adsorbing fluorine to aluminum hydroxide, solid-liquid separating the fluorine-containing sediment, reducing manganese concentration and fluorine concentration in pit wastewater, and achieving unification of the sediment treatment and high density of the sediment.SELECTED DRAWING: Figure 1