baber/WOPTO huggingface dataset:
Patent JP-2021179189-A (JP)
Title: Engine device
Inventor: ICHIKAWA KOJI
IPC: F01N3/24
Filed: 2020-05-13
Abstract: To inhibit combustion stability of an engine from being impaired when an expansion stroke injection is ended.SOLUTION: When executing, as warming-up of an emission control device, expansion stroke injection warming-up of performing warming-up using an expansion stroke injection in which a last fuel injection from a cylinder fuel injection valve is performed in an expansion stroke and expansion stroke ignition in which ignition is performed by an ignition plug in synchronization with the fuel injection in the expansion stroke, a fuel injection mode is determined to be the expansion stroke injection at predetermined timing, and ignition timing is determined at the next timing. Then, at the time when the expansion stroke injection warming-up is completed, when the fuel injection mode is already determined to be the expansion stroke injection at the timing of determining the ignition timing, the previous ignition timing is held as the ignition timing.SELECTED DRAWING: Figure 2
Patent JP-2021174979-A (JP)
Title: Laser driver circuit
Inventor: SATO NORIHIKO
IPC: H01S5/062
Filed: 2020-04-27
Abstract: To solve a problem that in the case of NMOS FETs are connected to each anode and switched by a laser driver that applies a short pulse current to a complex module of multiple lasers with a common cathode, since the source is connected to the anode of the laser, a source potential rises when a current flows into the laser, and to provide the FET gate driver with a high speed and large voltage amplitude.SOLUTION: A high voltage generated when inductance is charged with a current and the charge current is released is added to a gate. A Zener diode is placed between the gate and source to prevent the voltage from becoming too high and destroying the NMOS FET.SELECTED DRAWING: Figure 4
Patent JP-2021191237-A (JP)
Title: Method for producing phaeophyceae seedling, and phaeophyceae seedling
Inventor: LIN BOON KEN
IPC: A01G33/00
Filed: 2020-06-05
Abstract: To provide a technique by which seedlings can be produced in a shorter time, and furthermore can increase a germination rate of a spore body.SOLUTION: A method for producing a phaeophyceae seedling includes: a seed liquid preparation step in which first seed liquid including a female gametophyte of phaeophyceae and second seed liquid including a male gametophyte of phaeophyceae are prepared; a seed filament production step in which, by individually culturing the first seed liquid and the second seed liquid in the state in which the seed liquid are severally brought into contact with a filamentous substrate, a first seed filament to which the female gametophyte of phaeophyceae is attached and a second seed filament to which the male gametophyte of phaeophyceae is attached are obtained; and a seed filament contact step in which a female/male gametophyte-attached seed filament is obtained by bringing the first seed filament and the second seed filament into contact with each other.SELECTED DRAWING: None
Patent JP-2021192740-A (JP)
Title: Game machine
Inventor: ICHIHARA TAKAAKI
IPC: A63F7/02
Filed: 2020-06-08
Abstract: To provide a game machine capable of maintaining interest in a game.SOLUTION: A pachinko machine 1 has a start pocket capable of receiving game balls hit into a game area 5a. When a game ball enters the start pocket, determination processing regarding winning is performed. Thereafter, variable display corresponding to a result of the determination processing is started and, if a winning pattern is displayed in the variable display, a winning game is executed. Accordingly, the pachinko machine 1 can perform a special performance as a performance associated with operation means.SELECTED DRAWING: Figure 60
Patent JP-2021192757-A (JP)
Title: Information processing device and image sharing method
Inventor: SUZUKI SHOGO
IPC: A63F13/533
Filed: 2020-06-08
Abstract: To provide a technology useful for sharing an image.SOLUTION: A status information acquisition unit 164c acquires information indicating statuses of a plurality of members from a managing server. A room image generation unit 124c generates a member display column including information on members transmitting an image and information on members not transmitting an image in different regions on the basis of the information indicating statuses of the plurality of members. A reception unit 104c receives an operation to select members transmitting an image. A request transmission unit 180c transmits a viewing request including information for specifying the selected members to the managing server or a distribution server for distributing an image.SELECTED DRAWING: Figure 9
Patent JP-2020165307-A (JP)
Title: Exterior wall fireproof structure of steel structure
Inventor: KASHIDA MASAHIRO
IPC: E04B1/94
Filed: 2020-06-10
Abstract: To provide an external wall fireproof structure of a steel structure capable of having the fireproof performance less reduced even at joint part of substrate material and at a joint part of the external wall material.SOLUTION: The external wall fireproof structure of a steel structure comprises a plurality of light steel skeletons 1 long in vertical direction, and on a surface of the light steel skeleton 1, first rectangular gypsum board 2, a second rectangular gypsum board 3 and a rectangular external wall material 5. The first rectangular gypsum board 2 and the second rectangular gypsum board 3 are of same size and both have a thickness of 15 mm. The first gypsum board 2 is fixed to the surface of the light steel skeleton 1 by a fixing member so that two long sides 25, 26 are situated at the light steel skeleton 1 which is a vertical furring edge. The second gypsum board 3 is fixed to the light steel skeleton 1 by the fixing member via the first gypsum board 2 on the surface of the first gypsum board 2 so that two long sides 35, 36 are situated at the light steel skeleton 1 different from the light steel skeleton 1 at which the two long sides 25, 26 are situated.SELECTED DRAWING: Figure 1
Patent JP-2021197282-A (JP)
Title: Lighting device for public facility
Inventor: NEMOTO SEIJI
IPC: H05B47/115
Filed: 2020-06-15
Abstract: To provide a lighting device for a public facility which can calm people's emotions and suppress noise by using light.SOLUTION: A lighting device for a public facility 1 includes a light source unit 10 that irradiates a space in which ae person is, a light source control unit 20 that controls the color of light emitted from the light source unit 10, and a detection unit 30 that detects the voice of the person. When the light source control unit 20 determines that it is necessary to calm a person on the basis of at least one of the voice volume and the voice frequency detected by the detection unit 30, the light source control unit controls the light source unit 10 such that the light emitted from the light source unit 10 becomes a calming color for people.SELECTED DRAWING: Figure 2
Patent JP-2021052173-A (JP)
Title: N-type source or drain structures with high aspect ratio and abrupt dopant profile
Inventor: RYAN KEECH
IPC: H01L29/417
Filed: 2020-06-16
Abstract: To provide integrated circuit structures having source or drain structures with abrupt dopant profiles.SOLUTION: An integrated circuit structure includes a vertical arrangement of horizontal nanowires 166B. A gate stack is around the vertical arrangement of horizontal nanowires 166B. A first epitaxial source or drain structure 168B is at a first end of the vertical arrangement of horizontal nanowires 166B. A second epitaxial source or drain structure 168B is at a second end of the vertical arrangement of horizontal nanowires 166B. The first and second epitaxial source or drain structures 168B include silicon, phosphorous and arsenic, with an atomic concentration of phosphorous substantially the same as an atomic concentration of arsenic.SELECTED DRAWING: Figure 1B
Patent JP-2022001466-A (JP)
Title: Vehicular seat base material and vehicular seat
Inventor: AMANO TAKAHIKO
IPC: B60N2/42
Filed: 2020-06-22
Abstract: To provide a vehicular seat base material which is lightweight, has excellent cushion property, and is excellent in adhesion between the cushion material and the vehicular seat base material, and a vehicular seat using the vehicular seat base material.SOLUTION: In a vehicular seat 10 where a cushion material 21 is laminated on a vehicular seat base material 11, a vehicular seat base material 11 is composed of a flexible urethane foam of 30 to 70 kg/m3 density (following JIS K 7222). Rigidity of the flexible urethane foam composing the vehicular seat base material 11 is preferably equal to or larger than 25 and below 100 N during 2% compression, is equal to or larger than 45 to below 200 N during 5% compression, and is equal to or larger than 65 and below 300 N during 10% compression.SELECTED DRAWING: Figure 1
Patent JP-2022003366-A (JP)
Title: Image forming apparatus
Inventor: UOHASHI YUKI
IPC: G03G21/18
Filed: 2020-06-23
Abstract: To take measures against electric shock at a low cost when an electrical unit is attached and detached with respect to an apparatus main body.SOLUTION: An electrical unit 4 has an input conductor 406 that receives supply of voltage. An output conductor 7 is provided in an apparatus main body 100 and applied with voltage. In conjunction with a cover part 101 to be closed, a link mechanism 8 displaces the output conductor 7 to a contact position where the output conductor is in contact with the input conductor 406, and in conjunction with the cover part 101 to be opened, displaces the output conductor 7 to a retracted position where the output conductor is separated from the input conductor 406.SELECTED DRAWING: Figure 9
Patent JP-2021005378-A (JP)
Title: Method for policy-based image forming operation in public domain
Inventor: ARTHUR ALACAR
IPC: G06F21/31
Filed: 2020-06-24
Abstract: To provide a method for a policy-based image forming operation in a public domain.SOLUTION: A policy-based image forming system is implemented to allow access to a private domain and perform image formation by using a public domain. The private domain includes private servers that store documents. The public domain includes servers and an image forming apparatus. A public policy server uses a domain list and a protocol connection with a private authentication server to validate a user and identify a private domain to access. The public policy server acquires a policy from a private policy server by using the public domain. Print job data is provided to a public file server until the public policy server makes sure that a print job can be transmitted to the image forming apparatus.SELECTED DRAWING: Figure 3
Patent JP-2022007121-A (JP)
Title: Lead-free solder alloy and joined body of the same
Inventor: NISHIMURA TETSUO
IPC: B23K35/26
Filed: 2020-06-25
Abstract: To provide a lead-free solder alloy and a solder alloy joined body which are less likely to be reduced in bond strength, cause no generation of voids even when having been exposed at high temperature for a long time since it is used as an assembly structural material of a power semiconductor operable at high temperature, and can be expected to be less likely to be reduced in conductivity, thermal conductivity and bond strength after a thermal impact cycle.SOLUTION: A lead-free solder alloy and a solder joined body contain Sn as a main component, 0.1-5.0 mass% of Ag, 0.1-3.0 mass% of Cu, 4.0-8.0 mass% of Sb, more preferably, 5.0-6.0 mass% of Sb, with the balance being Sn and unavoidable impurities. The lead-free solder alloy is further characterized by having at least one or two or more kinds selected from the group consisting of 0.001-1.0 mass% of Ni, 0.001-0.1 mass% of Co, 0.001-1.0 mass% of P, 0.001-2.0 mass% of Ge, 0.1-5.0 mass% of Bi, 0.1-6.0 mass% of In, and 0.001-0.1 mass% of Zr added to the above composition. The lead-free solder alloy and the solder joined body are reduced in a physical property change even when having been exposed to high temperature environment for a long time.SELECTED DRAWING: None
Patent JP-2021011426-A (JP)
Title: Metal composite oxide and production method thereof
Inventor: ABE TAKAYUKI
IPC: C01G53/00
Filed: 2020-06-26
Abstract: To provide, in a metal composite oxide containing strontium (Sr) as an A site element and a metal element (M) as a B site element and having a perovskite or perovskite-like crystal structure, a production method which can provide a fine and heterogenous phase-free compound.SOLUTION: Provided is a production method of a metal composite oxide containing strontium (Sr) as an A site element and a metal element (M) as a B site element and having a perovskite or perovskite-like crystal structure, comprising the following steps: a step of preparing a raw material solution containing constituents of the metal complex oxide and a solvent; a step of freezing and solidifying the raw material solution and, in a state where the solidified material obtained is frozen, subliming and removing the solvent to obtain a metal salt mixture; and heating the metal salt mixture to obtain a metal composite oxide.SELECTED DRAWING: Figure 1
Patent JP-2021063001-A (JP)
Title: Method and apparatus for producing magnesium oxide
Inventor: KOIKE KAZUNORI
IPC: F27D19/00
Filed: 2020-06-26
Abstract: To provide a method and an apparatus for producing magnesium oxide in which magnesium oxide is safely produced by repeating a step for producing magnesium oxide by reacting non-powdered metallic magnesium with steam and a step for keeping the temperature in a furnace constant.SOLUTION: A method for producing magnesium oxide includes repeating the steps of: (a) supplying steam into a reactor containing metallic magnesium in a non-powder form; (b) reacting the steam by heating the metallic magnesium to produce magnesium oxide; and (c) cooling the inside of the reactor when the temperature in the reactor exceeds a set upper limit temperature value by oxidation reaction for producing the magnesium oxide and maintaining a constant temperature in the reactor by stopping cooling the inside of the reactor when the temperature in the reactor falls below a set lower limit temperature value.SELECTED DRAWING: Figure 4
Patent JP-2022011681-A (JP)
Title: Glass composition for chemical strengthening, and chemically strengthened glass article
Inventor: KITAYAMA AKIRA
IPC: C03C3/085
Filed: 2020-06-30
Abstract: To provide a glass composition for chemical strengthening excellent in alkali resistance and suitable for combining surface compressive stress and compressive stress layer depth.SOLUTION: A glass composition contains, by the molar% expression, SiO2: 60 to 80%, Al2O3: 1 to 5%, MgO: 5 to 25%, CaO: 0 to 5%, Na2O:10 to 20%, and K2O: 0 to 10%, as components. By using this glass composition, a chemically strengthened glass article having, for example, a surface compressive stress of 500 MPa or larger and a compressive stress layer depth of 10 μm or larger becomes possible to be provided. By using the glass composition, it is also possible to provide a chemically strengthened glass article having, for example, the surface compressive stress of 650 to 950 MPa, and the compressive stress layer depth in the range of 7 to 15 μm.SELECTED DRAWING: None
Patent JP-2022011736-A (JP)
Title: Paper feeder and printing device
Inventor: IKUSHIMA WATARU
IPC: B65H9/14
Filed: 2020-06-30
Abstract: To provide a paper feeder that prevents excessive warpage from being formed on a fed paper sheet, when refeeding the paper sheet due to a paper feeding error, and to provide a printing device provided with the paper feeder.SOLUTION: A paper feeder comprises: a loading part capable of loading a paper sheet; a paper feeding roller capable of feeding an uppermost paper sheet among paper sheets loaded on the loading part by rotation; a register roller arranged in a downstream of the paper feed roller in a paper feeding direction of the paper sheet fed by the paper feed roller; a paper feed control part for controlling the paper feed controller to perform a first paper feed operation for feeding the paper sheet; and a determination part for determining whether or not the paper sheet can be fed by the first paper feed operation for every fed paper sheet thereof. When the determination part determines that no paper sheet is fed, the paper feed control part performs a second paper feed operation in which the paper sheet determined not to be fed is fed again by controlling the paper sheet roller in such a manner that a rotation amount is smaller than that of the first paper feed operation.SELECTED DRAWING: Figure 14
Patent JP-2022011918-A (JP)
Title: Handle attachment structure
Inventor: NAKANISHI JUICHI
IPC: B65D25/28
Filed: 2020-06-30
Abstract: To apply a handle attachment structure even to an existing wire basket while facilitating an operation by making it possible to carry up the wire basket with one hand.SOLUTION: As to an attaching tool 40 for attaching a handle 50 to a wire basket 30 comprising a bottom part 31 and facing wall parts 32a and 32b, a lower end constitution part 41 fitted in a state in which movement in a width direction of a short side facing wall part 32b from inside is restricted, middle part constitution parts 42 extending outward in such a manner that each of them penetrates the short side facing wall part 32b in a state of being separated from an upper end edge part 412 of the lower end constitution part in the width direction, and an upper end constitution part 43 fitted in a state in which movement in a downward direction and an inward/outward direction from outside the short side facing wall part 32b is restricted by extending upward from an extension end part of the middle part constitution part 42 are integrally molded and constituted; and the handle 50 is supported in a freely rotatable manner by penetrating, from inside, an end portion of the handle 50 between an inner side lateral line material 323 and the upper end edge part 412 of the lower end constitution part 41 located between the middle part constitution parts 42.SELECTED DRAWING: Figure 2
Patent JP-2021187726-A (JP)
Title: High-intensity independent foamed tile and method for producing the same
Inventor: YAMAZAKI TSUTOMU
IPC: C04B35/16
Filed: 2020-06-03
Abstract: To provide a method for producing an independent foamed tile having high intensity, and to provide the high-intensity independent foamed tile.SOLUTION: A method includes: wet-mixing a raw material for an independent foamed tile with a reinforcing material; and press-forming and then heating the raw material, wherein the raw material for the independent foamed tile is obtained by adding, as foaming agents, silicon carbide and zinc powder to at least one or a mixed material of a JIS standard fly ash, and a pulverized rock, coal ash, sand and soil, each having a particle diameter of 500 μm or less and a silicon dioxide content of 45% or more.
Patent JP-2021015120-A (JP)
Title: Fracture shape evaluation method, fracture shape data storage method and fracture shape evaluation device
Inventor: TACHIKA HISAKAZU
IPC: G01B21/20
Filed: 2020-07-01
Abstract: To provide a fracture shape evaluation method, a fracture shape data storage method and a fracture shape evaluation device capable of reducing labor and time for evaluating a fracture shape by facilitating correction work of a coordinate of point group data forming a fracture.SOLUTION: A fracture shape evaluation method of the present invention comprises a step for measuring point group data which indicates a shape of a fracture of a test body, and a shape of a coordinate making assist tool which is provided on a specific position of the test body and has a coordinate axis corresponding to a reference coordinate direction and has a shape which can be clearly distinguished from the fracture. The method preferably comprises the steps of: extracting point group data which indicates a shape of the coordinate making assist tool from the point group data, and identifying the reference coordinate direction on the basis of the extracted point group data; correcting a coordinate value of the point group data indicating a shape of the fracture on the basis of the identified reference coordinate direction; and evaluating a shape of the fracture using the point group data indicating the shape of the fracture for which the coordinate value is corrected.SELECTED DRAWING: Figure 1
Patent JP-2022015186-A (JP)
Title: Hydrogen processing apparatus and atomic plant
Inventor: MAWATARI TAKASHI
IPC: G21C19/317
Filed: 2020-07-08
Abstract: To enable reduction in site construction work amount for installing an apparatus, and to improve expandability, convenience and redundancy.SOLUTION: A hydrogen processing apparatus 10 that removes hydrogen included in a gas A to be processed by a processing material 18 composed of metal oxide or metal peroxide which exhibits a reduction reaction by contact with hydrogen, comprises: a blower 13 that introduces the gas to be processed from a nuclear reactor container 1 and that restores a processed gas B; a preheater 14 that heats-up the gas to be processed introduced from the blower to a temperature which is suitable for reaction with the processing material; a reactor 15 that receives the processing material, and that removes the hydrogen in the gas to be processed which gas has been heated-up by the preheater, by the processing material; a cooler 16 that cools the processed gas in which the hydrogen is removed by the reactor; and a driving source 17 for driving the blower, the preheater and the cooler. In the hydrogen processing apparatus, the blower, the preheater, the reactor, the cooler and the driving source are collectively unitized or unitized by being plurally divided, and each unit is configured to be movable.SELECTED DRAWING: Figure 1
Patent JP-2022016995-A (JP)
Title: Electrostatic image developing toner and image forming method
Inventor: HIRANO SHIRO
IPC: G03G9/09
Filed: 2020-07-13
Abstract: To provide an electrostatic image developing toner which comprises toner base particles, each containing multiple types organic pigments, and offers improved chargeability and concealability of a formed image.SOLUTION: The present invention relates to an electrostatic image developing toner comprising: toner base particles containing a binder resin and at least two types of organic pigments; and alumina particles as an external additive. The at least two types of organic pigments comprise a pigment P1 that exhibits an absorption maximum wavelength λmax (nm) greater than 400 nm and less than 600 nm when dispersed in methyl ethyl ketone, and a pigment P2 that exhibits an absorption maximum wavelength λmax (nm) of 600 nm or greater and 700 nm or less when dispersed in methyl ethyl ketone.SELECTED DRAWING: Figure 1
Patent JP-2022020156-A (JP)
Title: Method for supporting selection of protective mat
Inventor: TAKEZAKI SATOSHI
IPC: B09B1/00
Filed: 2020-07-20
Abstract: To provide a method for supporting selection of a protective mat that can rationally select a material that meets required water permeability performance for a protective mat that is used for seepage control work in constructing seepage control work for a waste disposal site.SOLUTION: A method for supporting selection of a protective mat used for seepage control work for a waste disposal site includes the steps of: requiring secular change in water permeability performance of a selection object material that is continuously subjected to a load in a layer thickness direction; and determining whether the selection object material conforms to the utilization purpose of the protective mat at the waste disposal site on the basis of the required secular change in water permeability performance.SELECTED DRAWING: Figure 2