baber/WOPTO huggingface dataset:
Patent JP-2020036309-A (JP)
Title: Moving image distribution system, moving image distribution method, and moving image distribution program for live distribution of moving image including animation of character object generated based on movement of distribution user
Inventor: KURABUCHI AYA
IPC: H04N21/235
Filed: 2019-07-01
Abstract: To provide a video distribution system that can display a gift at a desired timing of a distribution user in a distributed moving image.SOLUTION: A server device 60 in a moving image distribution system 1 includes one or a plurality of computer processors, executes a computer-readable instruction, and displays a display instruction object in a display area that occupies a part of a display screen of a distribution user device 20 used by a distribution user in response to reception of a first display request related to a first gift from a viewing user. The first gift is displayed on a moving image according to an operation on the display instruction object. In the display area, the upper limit number of display instruction objects that can be displayed in the display area is set.SELECTED DRAWING: Figure 1
Patent JP-2021008936-A (JP)
Title: Valve unit and fluid machine
Inventor: KITAMOTO YUSUKE
IPC: F16K1/44
Filed: 2019-07-02
Abstract: To provide a valve unit capable of detecting an opening/closing state of a valve, and a fluid machine.SOLUTION: A valve unit 1 according to the present invention is configured to adjust a flow of hydraulic oil between a cylinder 3 of a hydraulic pump motor 2, and a low pressure-side oil passage 5 and a high pressure-side oil passage 4, and comprises: a high-pressure valve 20 which has a valve seat 15 (section part 15) and a valve body 21 of a nonmagnetic body capable of being seated on the valve seat 15, and opens and closes the cylinder 3 and the high pressure-side oil passage 4; an armature 60 which moves in a first direction with electromagnetic force to move the valve body 21 in the first direction; a magnet 43 which is provided in the valve body 21; a magnetic sensor 41 which detects magnetic flux of the magnet 43; and a position detection part 40 which detects a position of the valve body 21 based upon variation of the magnetic flux with the position of the valve body 21.SELECTED DRAWING: Figure 2
Patent JP-2021012906-A (JP)
Title: Photoelectric conversion element, optical sensor including the same, and imaging element
Inventor: OBATA NAOKI
IPC: H01L27/146
Filed: 2019-07-04
Abstract: To provide a photoelectric conversion element having improved external quantum efficiency by a method different from photoelectric conversion principle which has been studied conventionally.SOLUTION: A photoelectric conversion element includes a p-type semiconductor and an n-type semiconductor and includes a photoelectric conversion layer that receives light in a near infrared region and performs photoelectric conversion, and the photoelectric conversion layer has an absorbance of light having a wavelength of 940 nm of 0.7 or less and a film thickness of 95 nm or more and 170 nm or less.SELECTED DRAWING: None
Patent JP-2020182929-A (JP)
Title: Catalyst, method for producing the same, and method for producing n-alkyl imidazole-based compounds
Inventor: YUAN HANGKONG
IPC: C07D487/14
Filed: 2019-07-09
Abstract: To provide a catalyst, a method for producing the same, and a method for producing a N-alkyl imidazole-based compound in the technical field of organic synthesis, and also provide a catalyst comprising an active ingredient and an acid-treated carrier.SOLUTION: A carrier is silicon-alumina oxide and/or silica, an active ingredient comprises a metal oxide, and metal elements in the metal oxide includes one or more of zirconium, niobium, hafnium, tantalum, calcium, magnesium, copper, nickel, iron, cobalt, zinc, and rare earth elements.EFFECT: The catalyst provided by the present invention can be used for catalyst preparation of N-alkyl imidazole-based compounds. As a result, a method for producing a N-alkyl imidazole-based compound is simplified, the reaction conditions are mild, and a yield and a selectivity of the reaction product are increased. The results of the examples show that the yield of the reaction product is 55% to 93% and the selectivity is 90% or more.SELECTED DRAWING: Figure 4
Patent JP-2020013789-A (JP)
Title: Secondary battery
Inventor: KIYONO HIROSHI
IPC: H01M50/105
Filed: 2019-07-10
Abstract: To provide a secondary battery capable of improving fall safety by preventing a flow of an electrode assembly in a pouch type case.SOLUTION: The present invention relates to a secondary battery capable of improving fall safety by preventing a flow of an electrode assembly in a pouch type case. As an example, the secondary battery includes: the electrode assembly; the pouch type case accommodating the electrode assembly; and a finishing tape attached to the outer surface of the electrode assembly. The finishing tape contacts an inner surface of the pouch type case.SELECTED DRAWING: Figure 3
Patent JP-2021014058-A (JP)
Title: Ball-point pen tip and ball-point pen manufacturing method and spindle
Inventor: YAMAMOTO TATSURO
IPC: B43K1/08
Filed: 2019-07-11
Abstract: To provide a manufacturing method for forming an undercut groove portion in a series of manufacturing steps of a ball-point pen tip.SOLUTION: A manufacturing method of a ball-point pen tip 10 comprises: attaching a columnar workpiece W to a processor; forming, at one end of the workpiece W, a taper portion 15 corresponding to a pointed end portion of the ball-point pen tip 10; forming an annular and undercut groove portion 16 in the taper portion 15; and taking the ball-point pen tip 10 out of the processor.SELECTED DRAWING: Figure 3
Patent JP-2019194153-A (JP)
Title: Interlayer for glass laminate, and glass laminate
Inventor: IWAMOTO TATSUYA
IPC: B60J1/00
Filed: 2019-07-12
Abstract: To provide an interlayer for glass laminate capable of effectively enhancing acoustic insulation at 6300 Hz while effectively suppressing reduction of acoustic insulation at 3150 Hz in a glass laminate.SOLUTION: The interlayer for glass laminate has a resin layer having one layer structure or two or more layer structure and containing a resin and a plasticizer, in which when the glass laminate is obtained by arranging the interlayer with width of 25 mm, length of 300 mm and thickness of 2 mm between two glass sheets, resonance frequency X is 550 Hz or more and 740 Hz or less, loss coefficient Y at the secondary mode of 0.35 and the formula:Y>0.0008X-0.142, in a measurement of resonance frequency as a secondary mode in a damping test of the glass laminate by a central vibration method of the glass laminate.SELECTED DRAWING: Figure 1
Patent JP-2020019945-A (JP)
Title: Thermosetting coating agent, cured product and film
Inventor: HASHIMOTO YUKI
IPC: C09D175/04
Filed: 2019-07-18
Abstract: To provide a thermosetting coating agent, a cured product and a film.SOLUTION: A thermosetting coating agent contains a polyol (A) with a hydroxyl value of 200 mgKOH/g or more and with a molecular weight of 1000 or less, a urethane polyol (B), a hydroxy group-containing silicone-modified resin (C), and an allophanate body of a polyisocyanate (D), and a biuret body (E1) and/or an isocyanurate body (E2) of a polyisocyanate.SELECTED DRAWING: None
Patent JP-2021019048-A (JP)
Title: Crystal defect observation device and crystal defect observation method
Inventor: HATTORI RYO
IPC: G01N21/00
Filed: 2019-07-18
Abstract: To provide a crystal defect observation device capable of accurately observing crystal defects of a semiconductor wafer.SOLUTION: A crystal defect observation device according to the present invention that observes crystal defects on a semiconductor wafer includes a light source, a ring diaphragm that narrows light emitted from the light source in a ring shape, a condenser lens that collects the emitted light that has passed through the ring diaphragm and irradiates one surface of the semiconductor wafer with the light, an objective lens that collects the transmitted light that passes through the semiconductor wafer and emits from the other surface to form an image, and a phase plate arranged between the objective lens and the imaging position, and the phase plate causes a phase difference between the ring-shaped portion of the transmitted light through which the direct light passes and the other portion through which the diffracted light passes.SELECTED DRAWING: Figure 1
Patent JP-2021023055-A (JP)
Title: Method of adjusting unbalance of rotor
Inventor: KUMASAKA YUYA
IPC: H02K15/16
Filed: 2019-07-29
Abstract: To efficiently adjust the unbalance while suppressing the expansion of the motor's physique.SOLUTION: A laminated steel sheet 11 and an end plate 12 disposed on an edge side in a lamination direction of the laminated steel sheet 11 are provided. The end plate 12 has a plurality of oil holes 32. The plurality of oil holes 32 has projections 32a extending in a radial direction of the end plate 12. A rotor body 1 is formed by assembling the laminated steel plate 11 and the end plate 12. The balance of the rotor body 1 is measured, and according to the result of the balance measurement, the balance is adjusted by cutting the projections 32a formed on the end plate 12.SELECTED DRAWING: Figure 5
Patent JP-2021024686-A (JP)
Title: Elevator and elevator system
Inventor: NOZAWA YUKI
IPC: B66B5/02
Filed: 2019-08-02
Abstract: To provide an elevator and an elevator system capable of estimating a state of each component before the riding comfort is deteriorated.SOLUTION: An elevator 1 includes a car 2, a load detection sensor 13, an inclination sensor 15, and a state monitoring part 7. The load detection sensor 13 detects a load applied on the car 1. The inclination sensor 15 detects the inclination of the car 2. The state monitoring part 7 receives load information detected by the load detection sensor 13 and inclination information detected by the inclination sensor 15 and estimates the degree of damage for each component of the car 2 based on the load information and the inclination information.SELECTED DRAWING: Figure 1
Patent JP-2021024687-A (JP)
Title: Sheet feeding device and image forming apparatus
Inventor: UEHARA TOMOYA
IPC: B65H5/38
Filed: 2019-08-02
Abstract: To provide a sheet feeding device and an image forming apparatus which suppress deterioration in usability due to movement of a guide member.SOLUTION: A sheet feeding device includes: a guide member which is positioned on a downstream side of a separation means in a sheet conveying direction and is positioned above the separation means, and guides a sheet toward conveyance means to form a conveyance path, the guide member being rotatable about a first rotation shaft; and an opening and closing member which opens and closes with respect to a main body part of the sheet feeding device. In a state in which the opening and closing member is closed with respect to the main body part, the guide member is positioned in a first position in which the guide member forms the conveyance path. In a process in which the opening and closing member is opened, a free end of the guide member moves upwardly about the first rotating shaft, by using urging force of an urging member, from the first position to a second position above.SELECTED DRAWING: Figure 2
Patent JP-2021024963-A (JP)
Title: Semiconductor bonding agent, semiconductor bonding agent film producing method, and semiconductor device producing method
Inventor: CHABANA KOICHI
IPC: C09J7/35
Filed: 2019-08-06
Abstract: To provide a semiconductor bonding agent, a semiconductor bonding agent film producing method, and a semiconductor device producing method that are capable of achieving low warping while securing the connectability.SOLUTION: The semiconductor bonding agent comprises a curable resin having a weight average molecular weight of less than 10000, a curing agent, and eucryptite. The median diameter (D50) of the eucryptite is preferably 20 μm or less. Further, it is preferable to comprise a high molecular weight resin having a weight average molecular weight of 10000 or more. The semiconductor bonding agent film producing method includes: dissolving or dispersing the semiconductor bonding agent in an organic solvent to prepare a resin varnish, applying it to a substrate, and drying it.SELECTED DRAWING: Figure 1
Patent JP-2021028689-A (JP)
Title: Display control apparatus, display control method, and program
Inventor: TOKUDA RYOHEI
IPC: G09G5/00
Filed: 2019-08-09
Abstract: To adjust luminance more properly.SOLUTION: A display control apparatus includes: an illuminance acquisition unit which acquires illuminance of the periphery of a display unit on the basis of one or both first illuminance detected by a first illuminance sensor and second illuminance detected by a second illuminance sensor; a storage unit which stores association information on association between illuminance and target illuminance; and a luminance control unit which controls luminance of a screen of the display unit on the basis of the acquired illuminance and the association information; and a failure detection unit which detects a failure of the first illuminance sensor at least. The luminance control unit acquires target luminance associated with the illuminance of the periphery from the association information on the basis of the illuminance of the periphery when a failure of the first illuminance sensor is not detected, or acquires the target luminance on the basis of information obtained by correcting one or both of the second illuminance and associated information when a failure of the first illuminance sensor is detected. The luminance control unit controls the luminance of the screen of the display unit so as to satisfy the target luminance.SELECTED DRAWING: Figure 2
Patent JP-2021036394-A (JP)
Title: Memory access device
Inventor: MAEDA TSUTOMU
IPC: G06F12/02
Filed: 2019-08-30
Abstract: To provide a memory access device that can reduce read time for data.SOLUTION: A memory includes a main area and a sub area. Each of the main area and the sub area includes a unit area to which any one of a plurality of banks is assigned. The main area stores first to N-th data having 1 to N data numbers. The sub area stores second to N-th data. Each unit area included in the main area stores two pieces of data having odd-numbered leading data number and consecutive data number. Each unit area included in the sub area stores two pieces of data having even-numbered leading data number and consecutive data number. When two or more pieces of data of the first to N-th data are read, a determination section 122 of a memory access device 12 determines whether the smallest data number of the data number of the two or more pieces of data is odd number. When the smallest data number is odd number, a read control section 124 reads the two or more pieces of data from the main area.SELECTED DRAWING: Figure 5
Patent JP-2021039290-A (JP)
Title: Image forming apparatus
Inventor: KOJIMA KISHO
IPC: G03G15/14
Filed: 2019-09-05
Abstract: To provide an image forming apparatus that can prevent a partial toner in non-transfer toner images formed on image holding means from being attached to a portion of peeling means that peel a sheet from the image holding means on a side where the sheet passes, compared with a case where the non-transfer toner images are formed similarly within ranges of the image holding means where the peeling means is present.SOLUTION: An image forming apparatus comprises: image holding means 31 that holds a toner image to be transferred to a sheet that passes in contact with the image holding means; peeling means 37A, 37B that peel the sheet from the image holding means 31; and a cleaning member 36b that removes a toner present after passing through the peeling means 37A, 37B while in contact with the image holding means 31. Non-transfer toner images NT1 to NT4 not to be transferred to the sheet are formed within ranges Ha, Hb, Hc of the image holding means 31 where the peeling means 37A, 37B are not present.SELECTED DRAWING: Figure 7
Patent JP-2020049942-A (JP)
Title: Gas barrier vapor deposition film, and laminate, packaging material and packaging body using the gas barrier vapor deposition film
Inventor: KONISHI KENTA
IPC: C23C14/02
Filed: 2019-09-12
Abstract: To provide a gas barrier vapor deposition film having excellent gas barrier properties without using a multilayer structure as in a conventional technique and to provide a laminate, a packaging material and a packaging body using the gas barrier vapor deposition film.SOLUTION: There is provided a gas barrier vapor deposition film which comprises a substrate layer composed of a polyethylene terephthalate film, an inorganic oxide vapor deposition film layer and a barrier coating layer, wherein the inorganic oxide vapor deposition film layer contains aluminum oxide as a main component and is laminated adjacent to the polyethylene terephthalate film, the barrier coating layer is laminated adjacently on a surface opposite to the polyethylene terephthalate film of the inorganic oxide vapor deposition film layer and is formed from a resin composition comprising a metal alkoxide and a hydroxyl group-containing water-soluble resin and the water content of a laminated part comprising only the polyethylene terephthalate film, the inorganic oxide vapor deposition film layer and the barrier coating layer is set to 0.33 mass% or more and 0.45 mass% or less.SELECTED DRAWING: Figure 1
Patent JP-2021047243-A (JP)
Title: Display device
Inventor: KAI Chihiro
IPC: G09F9/00
Filed: 2019-09-17
Abstract: To provide a display device capable of improving appearance merchantability.SOLUTION: A display device 1 includes: a display unit 30 comprising a front face 35 having a display screen 31, a rear face 36 opposing the front face 35, and a display unit side face 37 orthogonal to the front face 35 and the rear face 36; a circuit substrate 40 which is disposed on a rear face 36 side, and controls the display unit 30; a case 10 which accommodates the display unit 30 and the circuit substrate 40, and comprises an aperture 12 exposing the front face 35, and a case side face 13 opposing the display unit side face 37 via a gap 3; an external light sensor 50 which detects external light; and a flexible print substrate 60 having one end 65 to which the external light sensor 50 is fitted, and which is fixed to the case side face 13, and the other end 66 connected to the circuit substrate 40.SELECTED DRAWING: Figure 2
Patent JP-2021052028-A (JP)
Title: Coil device and manufacturing method thereof
Inventor: KOIZUMI KAZUYA
IPC: H01F27/32
Filed: 2019-09-20
Abstract: To provide a coil device, having a metal bobbin, capable of improving insulation quality between a coil and a core.SOLUTION: The coil device includes: a bobbin; a coil wound around the bobbin; and a core forming a magnetic path of a magnetic flux generated by the coil. The bobbin is formed by covering the metal bobbin body with insulative resin layer. In the resin layer, insulative resin of powder sprayed over the bobbin body is hardened.SELECTED DRAWING: Figure 3
Patent JP-2021039325-A (JP)
Title: Sound tool in which rod is supported and fixed vertically on resonance plate
Inventor: MURAI ATARU
IPC: G10D13/08
Filed: 2019-09-04
Abstract: To solve problems of a xylophone: whose rods are not supported firmly, because their ends are supported freely; and whose shape, including a kalimba, is not like a keyboard which has aligned rods, because different length rods (diaphragms) are hit for changing sound.SOLUTION: In the present invention, when a rod is vertically passed through a resonant plate 1 to be supported and fixed, and when a constant length portion 2 at one end of the rod is hit, a sound having a different pitch can be produced due to difference in length of the other end of the rod. Since the rod is firmly fixed to the resonance plate, it is not necessary to limit the rod on the hitting side horizontal like a xylophone, and since the rods are hit at portions with the same length, there is an advantage to be formed like a keyboard.SELECTED DRAWING: Figure 1
Patent JP-2021049204-A (JP)
Title: Radiation imaging device and radiation imaging system
Inventor: TAKENAKA KATSURO
IPC: A61B6/00
Filed: 2019-09-25
Abstract: To provide a technology for improving an S/N ratio in general imaging in a radiation imaging device capable of performing energy subtraction imaging and the general imaging.SOLUTION: A radiation imaging device includes: a flexible board including a first pixel array 200 and a second pixel array 300 composed of a plurality of pixels 210 for outputting electric signals according to incident radiation, the pixels arranged in matrix shapes, and a signal line Sig to which first pixels included in the first pixel array 200 and second pixels included in the second pixel array 300 are connected in common, the first pixels and the second pixels arranged so as to face each other; and a control circuit 112 for controlling a first drive circuit 210 for driving the first pixel array 200 and a second drive circuit 310 for driving the second pixel array 300 so that electric signals from the first pixels and electric signals from the second pixels are output to the signal line in the same period.SELECTED DRAWING: Figure 4
Patent JP-2021058901-A (JP)
Title: Aluminum brazing sheet and aluminum component flux-free brazing method
Inventor: UESUGI RYUJI
IPC: C22C21/00
Filed: 2019-10-04
Abstract: To satisfactorily perform flux-free brazing by use of an aluminum brazing sheet.SOLUTION: An aluminum brazing sheet has a multilayer structure of at least two or more layers, and is used for brazing in order to join, without use of flux and in a non-oxidizing atmosphere with no pressure reduction, an aluminum alloy brazing material, which is clad on one or both sides of the sheet and is positioned on an outermost surface, to a component to be brazed made of aluminum or an aluminum alloy. The brazing material comprises Al-Si-Mg-Sn based brazing material which contains 0.01-2.0 mass% Mg, 1.5-14 mass% Si, and 0.005-1.5 mass% Sn, and there are more than ten Mg-Sn based compounds contained in the Al-Si-Mg-Sn based brazing material per visual field of 10000 μm2, which have an equivalent circle diameter of 0.01 μm or more and less than 5.0 μm, in observation in a surface layer face direction before brazing.SELECTED DRAWING: Figure 1
Patent JP-2021061321-A (JP)
Title: Protective film forming film and protective film forming composite sheet
Inventor: KOMASU YUICHIRO
IPC: C09J7/24
Filed: 2019-10-07
Abstract: To provide a protective film forming film of the back surface of a chip for protecting the back surface of a flip chip, and a protective film forming composite sheet.SOLUTION: In a protective film forming composite sheet 101, a protective film forming film 13 for forming a protective film on the back surface of a chip, Z150 calculated by a formula: Z150=Xmax/S150 using the maximum absorbance Xmax at wavelengths of 1400 to 1500 nm of the protective film, and the specific heat S150 of the protective film at 150°C is 0.38 or more, and Z200 calculated by a formula: Z200=Xmax/S200 using the Xmax, and the specific heat S200 of the protective film at 200°C is 0.33 or more. Further, a protective film forming film is provided on the surface of a support sheet 10.SELECTED DRAWING: Figure 2