baber/WOPTO huggingface dataset:
Patent JP-2021148098-A (JP)
Title: Fuel injection valve
Inventor: IIZUKA Takatoshi
IPC: F02M51/06
Filed: 2020-03-23
Abstract: To provide a fuel injection valve which is simple in a structure, and can suppress the intrusion of water from a boundary face between a housing and a resin molding.SOLUTION: A fuel injection valve includes: a valve body for opening and closing a fuel flow passage; a housing 12 for encapsulating an electromagnetic coil for driving the valve body; and a resin molding 9 for covering the electromagnetic coil at the inside of the housing 12, wherein a connector part 10 to which a drive current to the electromagnetic coil is carried at a part of the resin molding 9 is formed. The fuel injection valve comprises: a groove part 15 recessed to the inside in a radial direction so that an upper end face 12b of the housing 12 is brought into a non-contact with the resin molding 9 in a position corresponding to the connector part 10 of the resin molding 9; and a seal member 13 having a first seal upper face 13a pressed by a groove part upper face 15a of the groove part 15, and a first seal lower face 13b for sealing boundary faces 12a, 9b between the housing 12 and the resin molding 9 appearing at a groove part lower face 15c of the groove part 15.SELECTED DRAWING: Figure 6
Patent JP-2020181976-A (JP)
Title: Light-emitting element and manufacturing method of the same
Inventor: HAYASHI SEIICHI
IPC: H01L33/04
Filed: 2020-03-23
Abstract: To provide a light-emitting element capable of reducing a driving voltage while forming a tunnel junction in a semiconductor laminated structure of a nitride semiconductor, and a manufacturing method of the same.SOLUTION: The light-emitting element includes a first n-type nitride semiconductor layer, a first light-emitting layer provided on the first n-type nitride semiconductor layer, a p-type GaN layer provided on the first light-emitting layer, an n-type GaN layer provided on the p-type GaN layer and doped with n-type impurities having a higher impurity concentration than the first n-type nitride semiconductor layer, and a non-doped GaN layer provided between the p-type GaN layer and the n-type GaN layer and having a thickness equal to or less than a width of a depletion layer formed by the n-type GaN layer and the p-type GaN layer.SELECTED DRAWING: Figure 1
Patent JP-2021154299-A (JP)
Title: Method for production of collapsible core
Inventor: OSUGA SHINYA
IPC: B22C9/10
Filed: 2020-03-25
Abstract: To provide a collapsible core production method suitable for production of one-piece cylindrical member in which plural radial columns are arranged.SOLUTION: A production method for a collapsible core (7) used for production of a cylindrical member (60) in a rotary electric machine (10) includes: a process of solidifying a core material between the inner periphery side molds (70) which are pluralized by division in a circumferential direction around an axis (I) and the outer periphery side molds (80) which are pluralized by the same division as above; and a mold releasing process of separating the solidified core material from the inner and outer periphery side molds. The outer peripheral face of the inner periphery side mold has plural first protrusion parts (700) protruding in a radical direction in a first peripheral range (A1) among whole circumference in a circumferential direction, and the inner peripheral face of the outer periphery side mold has plural second protrusion parts (800) protruding in the radical direction in a second peripheral range (A2) among the above whole circumference in the circumferential direction. In the case of the second peripheral range, the production method in which a circumferential phase is different from that of the first one is disclosed.SELECTED DRAWING: Figure 14
Patent JP-2021155256-A (JP)
Title: Dispersion liquid, composition, sealing member, light-emitting device, lighting device, display device, and method for producing dispersion liquid
Inventor: ITO TOMOMI
IPC: C08L101/00
Filed: 2020-03-26
Abstract: To provide a dispersion liquid which contains metal oxide particles and suppresses aggregation of the metal oxide particles when being dispersed in a methyl silicone resin, a composition containing the same, a sealing member formed using the composition, a light-emitting device having the sealing member, a lighting device and a display device including the light-emitting device, and a method for producing a dispersion liquid.SOLUTION: A dispersion liquid contains metal oxide particles surface-modified with a silane compound and a silicone compound, in which when a transmission spectrum at a wave number of 800 cm-1 or more and 3,800 cm-1 or less for the metal oxide particles obtained by vacuum drying the dispersion liquid is measured by FT-IR, the transmission spectrum satisfies IA/IB≤3.5, in which IA represents a spectrum value of 3,500 cm-1, and IB represents a spectrum value of 1,100 cm-1, and viscosity when the dispersion liquid and methylphenyl silicone are mixed so that a mass ratio of the total mass of the metal oxide particles and the surface modification material to the methylphenyl silicone is 30:70, and a hydrophobic solvent is removed is 9 Pa s or less.SELECTED DRAWING: Figure 1
Patent JP-2021162274-A (JP)
Title: Heating cooker
Inventor: TANIGUCHI NAOYA
IPC: F24C7/02
Filed: 2020-04-03
Abstract: To provide a heating cooker which makes a user recognize information on heating control of a to-be-heated object without burdening the user as little as possible and facilitates cooking.SOLUTION: A heating cooker enables reading of information on heating control of a to-be-heated object when a door is opened and closed. Therefore, a user can read information on heating control in a series of actions of storing the to-be-heated object in a heating chamber and closing the door, to the utmost, by notification of reading the information on heating control when the information on heating control of the to-be-heated object can be read when the door is opened, so that easy and rapid cooking can be performed.SELECTED DRAWING: Figure 2
Patent JP-2021162140-A (JP)
Title: Power transmission device
Inventor: MIYAZAKI MASAHIDE
IPC: F16H57/04
Filed: 2020-04-03
Abstract: To provide a power transmission device which enables a lubrication oil stored in a first case and a second case to be shared and enables improvement of workability of maintenance work.SOLUTION: A transmission 1 includes an outer fitting part 5C and an inner fitting part 6D which are respectively provided at a left wall 5W and a right wall 6W so as to enclose an outer peripheral spline 11s of a rotary shaft 11 and an inner peripheral spline 15s of a rotary shaft 15 and connect the left wall 5W with the right wall 6W. A space enclosed by the left wall 5W, the right wall 6W, the outer fitting part 5C, and the inner fitting part 6D forms a connection chamber 18 in which a spline fitting part 17 is installed. The left wall 5W of a left case 5 has an inflow port 5a which allows a lubrication oil to flow from the left case 5 into the connection chamber 18. The right wall 6W of a speed reducer case 6 has an outflow port 6a which allows the lubrication oil to flow from the connection chamber 18 to a transmission chamber 9 of the left case 5.SELECTED DRAWING: Figure 6
Patent JP-2021137786-A (JP)
Title: Linear vibrator provided with injection molding frame of elastic member
Inventor: KWON SONG IL
IPC: B06B1/04
Filed: 2020-04-03
Abstract: To provide a linear vibrator provided with an injection molding frame of an elastic member.SOLUTION: A linear vibrator provided with an injection molding frame of an elastic member includes: a magnetic circuit including a yoke, a permanent magnet attached to the yoke and a top plate attached to the permanent magnet; a frame which includes a yoke connection part connected with the yoke, a protector connection part which is formed at an interval from the yoke connection part and is connected with the protector and at least two bridges which elastically connect the yoke connection part and the protector connection part, and is injection-molded with elastic material; a protector installed over the frame; a coil fixed on the protector; and a collision structure causing a vibration part which generates vibrations by mutual electro-magnetic force between a voice coil and a magnetic circuit and a protector connection part which does not vibrate to generate strong collision by over current.SELECTED DRAWING: Figure 4
Patent JP-2021160828-A (JP)
Title: Heat insulation container capable of being assembled and folded
Inventor: KATAJIMA TOMOFUMI
IPC: B65D81/38
Filed: 2020-04-03
Abstract: To provide a heat insulation container that can be readily carried by holding a grip in a folded state and is difficult to be carried by holding the grip in an assembled state.SOLUTION: A heat insulation container 10 includes a top face panel 11, a first side panel 14, a second side panel, a third side panel 13, a fourth side panel 12, a bottom panel, and an outer bag 30 for covering at least the first side panel 14 and the second side panel. The first side panel 14 and the second side panel are opposed to each other and the third side panel 13 and the fourth side panel 12 are opposed to each other in an assembled state. Parts of the outer bag 30 which cover the first side panel 14 and the second side panel are respectively provided with grips 38. In a folded state, the grips 38 respectively project laterally from the outer bag 30, while in the assembled state, the grips 38 are respectively disposed while being biased on a side of the third side panel 13 relative to central lines of the first side panel 14 and the second side panel.SELECTED DRAWING: Figure 1
Patent JP-2020194533-A (JP)
Title: System and method for processing terrain in detection and avoidance background information
Inventor: REGINA INEZ ESTKOWSKI
IPC: G08G5/04
Filed: 2020-04-06
Abstract: To provide a system and a method, in which an avoidance of terrain and obstruction is automatically assembled for a separation of a vehicle.SOLUTION: In a detection and avoidance method of an article, a time reference position and state data for vehicles including a control object vehicle 1002 are received in a specific time spatial zone, and terrain data in an objective space zone overlapped with the specific time space zone is received. An orbital window of each vehicle in the time spatial zone is calculated, and a spatial buffer zone is calculated to the circumference of the terrain in the objective spatial zone in accordance with indeterminacy and resolution of the data. Individual routes 1014, 1016, and 1018 are calculated in a predetermined number of homotopy from a time reference initial position 1020 of the control objective vehicle to a destination 1022. Each route is maintained in a state of having at least the minimum distance interval in the control object vehicle from the orbital window of the other vehicle and a buffer zone of the terrain and an obstruction. The control objective vehicle is controlled in accordance with one of the routes.SELECTED DRAWING: Figure 10
Patent JP-2021167237-A (JP)
Title: Sheet conveyance device and image reading device
Inventor: HONDA JUNYA
IPC: H04N1/00
Filed: 2020-04-10
Abstract: To accurately determine double feeding of sheets.SOLUTION: A sheet conveyance device continuously conveys sheets from a document tray on which a plurality of sheets are loaded. A double-feed detection sensor 16 detects whether or not the sheets are in an overlapped state of a plurality of sheets in a double-feed detection area containing a plurality of detection points on the sheet during conveyance in a conveyance direction of the sheet. A CPU 401 determines the size of the sheet from a detection result of width detection sensors 15a, 15b. The CPU 401 determines the size of the double-feed detection area based on the determined size of the sheet, and determines whether or not the plurality of sheets are conveyed in the overlapped state based on detection results in the plurality of detection points by the double-feed detection sensor 16.SELECTED DRAWING: Figure 2
Patent JP-2021168737-A (JP)
Title: Content determination device, gaming system, content determination method and content determination program
Inventor: MIZUTANI HARUKI
IPC: A63F13/77
Filed: 2020-04-14
Abstract: To provide a device for determining a content suitable for each user's condition.SOLUTION: A content determination device includes a progress state analysis unit for analyzing a progress state of a user in a gaming program, and a content selection unit for selecting a content to be provided to the user based on the progress state and biological information of the user.SELECTED DRAWING: Figure 1
Patent JP-2021036169-A (JP)
Title: Sealing device
Inventor: SEKI MASAHIRO
IPC: F16J15/3232
Filed: 2020-04-15
Abstract: To provide a sealing device which is sufficed with low torque while maintaining waterproofness and dust resistance.SOLUTION: A slinger 201 having two faces of seal faces 214a, 214b progressing along an axial direction and a radial direction, respectively, is attached to an inner ring of a bearing 52. A variety of kinds of lips are fixed to a metal ring 111 attached to an outer ring 61 of the bearing 52 so as to oppose the seal faces 214. A grease lip 132 extends toward an internal space I in which the bearing 52 is formed, and contacts with the seal face 214a progressing along an axis-X direction at its lip end 133a. A dust lip 133 extends toward an external space O in a direction opposite to the bearing 52, and faces the seal face 214a progressing along the axis-X direction with a gap of 0.25 to 0.40 mm at its lip end 134a in a non-contact state. A side lip 134 extends toward the external space O, and contacts with the seal face 214b progressing along a radial direction at its lip end 135a.SELECTED DRAWING: Figure 2
Patent JP-2020123383-A (JP)
Title: Automatic ticket examination machine and ticket examination method for automatic ticket examination machine
Inventor: FUJIMOTO HIROAKI
IPC: G07B15/00
Filed: 2020-04-16
Abstract: To provide an automatic ticket examination machine, when a ticket medium on which a code is printed is read by an optical reading unit of the automatic ticket examination machine and the unit fails to read the code, allowing a user to cause the ticket medium to be read again.SOLUTION: An automatic ticket examination machine according to an embodiment includes: an optical reading unit that reads from a ticket medium a main code including information necessary when the ticket medium is used, and a sub-code having less information than the information of the main code; a human detection unit that detects a person who have entered a user path; and a guide unit that guides to allow the optical reading unit to read the ticket medium when the human detection unit detects the person, and the optical reading unit fails to read the main code and successfully reads the sub-code.SELECTED DRAWING: Figure 10
Patent JP-2021170743-A (JP)
Title: Optical transmission device, photosynthetic device, and optical transmission method
Inventor: HORISHITA MASAKAZU
IPC: H04B10/079
Filed: 2020-04-16
Abstract: To provide an optical transmission device and the like capable of stably outputting optical output power of multiple channels.SOLUTION: The optical transmission device includes a first detection unit, a superimposing unit, a second detection unit, and an adjusting unit. The first detection unit detects the optical output power of optical signals of each channel incident on the Mach-Zehnder part that has an asymmetric optical waveguide. The superimposing unit superimposes a dither signal to the optical signal of a specific channel out of the multiple channels that input to the Mach-Zehnder section, based on the optical output power of each of the detected channels. The second detection unit detects the amplitude value of the dither signal superimposed to the optical signal of the specific channel output from the Mach-Zehnder section. The adjusting unit adjusts the phase difference of the Mach-Zehnder section so that the detected amplitude value of the dither signal superimposed on the optical signal of the specific channel is less than the specified threshold.SELECTED DRAWING: Figure 1
Patent JP-2021175009-A (JP)
Title: Video coding device and video decoding device
Inventor: NAKAJO TAKESHI
IPC: H04N19/70
Filed: 2020-04-20
Abstract: To solve a problem in which encoding and decoding of a flag indicating the applicability of a tool applied only to a B slice are redundant even when there is no possibility that the B slice exists.SOLUTION: A video coding device includes a prediction unit that decodes a reference picture list structure including a plurality of reference picture lists and selects a reference picture list from the reference picture list structure in units of pictures or slices, and in a case in which the prediction unit selects a reference picture list for each picture, when the number of active reference pictures in the two reference picture lists is greater than 0, an encoding tool applicable to a B slice is applicable.SELECTED DRAWING: Figure 19
Patent JP-2021173615-A (JP)
Title: Capacitance type proximity detection device
Inventor: KURIKUMA HAJIME
IPC: G01B7/00
Filed: 2020-04-24
Abstract: To provide a capacitance type proximity detection device capable of detecting a tiny capacitance change with high accuracy.SOLUTION: A capacitance type proximity detection device 1 comprises a sensor electrode 11 for detecting proximity of a detection subject 3, a ground electrode 12 arranged on the sensor electrode 11 on the side opposite from the detection subject 3, an active guard electrode 13 arranged between the sensor electrode 11 and the ground electrode 12, a capacitance detection circuit 21 that applies excitation voltage to the sensor electrode 11 and detects capacitance Cx between the sensor electrode 11 and the detection subject 3 on the basis of a transferred charge amount of the sensor electrode 11 when the excitation voltage is applied to the sensor electrode 11, and a plurality of buffer circuits 22 and 23, of which input terminals are connected to a voltage application terminal of the capacitance detection circuit 21 to the sensor electrode 11 and output terminals are connected to the active guard electrode 13.SELECTED DRAWING: Figure 2
Patent JP-2021174921-A (JP)
Title: Rear face protection material for solar battery module and solar battery module rear face protection material
Inventor: NAKANO KUNIHIRO
IPC: H01L31/049
Filed: 2020-04-28
Abstract: To provide a rear face protection material for a solar battery module capable of preventing short circuit and ground fault via the rear face protection material.SOLUTION: A rear face protection material 10 for a solar battery according to one aspect of the present invention comprises an insulating layer 11 and a metal layer 12 laminated on a rear face of the insulating layer 11. The metal layer 12 has a central part 121 and an outer peripheral part 122 surrounding the central part 121 with a space left therebetween.SELECTED DRAWING: Figure 1
Patent JP-2021172278-A (JP)
Title: Maneuvering system
Inventor: NANBA MASAHIRO
IPC: B63H25/42
Filed: 2020-04-28
Abstract: To enable turning of a vessel through an operation of a turning operation device even when a turning control device fails.SOLUTION: A maneuvering system 1 comprises: a turning operation device 11 that outputs a turning operation signal in response to a turning operation for turning a vessel by changing the direction of each outboard engine 3, 4; a turning control device 15 that changes the direction of each outboard engine 3, 4 on the basis of the turning operation signal; an output operation device 21 that outputs an output setting signal indicating an output of an internal combustion engine 5 of each outboard engine 3, 4 set by an output setting operation for setting the output of the internal combustion engine 5 of each outboard engine 3, 4; and an output control device 25 that increases or decreases the output of the internal combustion engine 5 of each outboard engine 3, 4 on the basis of the output setting signal. The output control device 25 turns the vessel by varying outputs between the internal combustion engines 5 of the outboard engines 3, 4 on the basis of the turning operation signal when the turning control device 15 fails.SELECTED DRAWING: Figure 1
Patent JP-2021176127-A (JP)
Title: Laminate separator for power storage device, and power storage device
Inventor: MURAKAMI MASAHITO
IPC: H01M50/409
Filed: 2020-05-01
Abstract: To provide a laminate separator for a power storage device which is superior in high-temperature insulating property, and a power storage device having such a separator.SOLUTION: A laminate separator for a power storage device comprises at least one porous layer A containing a polyolefin resin and at least one porous layer B containing inorganic particles. In the laminate separator, the content of the inorganic particles in the porous layer B is 60 mass% or more and less than 100 mass%; a 200°C-film resistance value is 200 Ω cm2 or more and over a 170°C-film resistance value; and the at least one porous layer A and the at least one porous layer B are laminated.SELECTED DRAWING: Figure 1A
Patent JP-2020125353-A (JP)
Title: Methods and compositions relating to treatment of pulmonary arterial hypertension
Inventor: YUNG LAI-MING
IPC: A61P11/00
Filed: 2020-05-08
Abstract: To provide methods and compositions for treatment of hypertension, e.g., pulmonary arterial hypertension.SOLUTION: A method comprises administering to a subject an inhibitor of GDF-15; TGFβ1; and/or TGFβ3. Preferably, the inhibitor is an antibody reagent or ligand trap. Further preferably, the ligand trap is a TGFβ-1/3 GDF-15 ligand trap. Further preferably, the ligand trap is TGFBRII-Fc.SELECTED DRAWING: Figure 10A
Patent JP-2021064601-A (JP)
Title: Dimming circuit, dimmer including the dimming circuit and controller thereof
Inventor: CHOU KO-FU
IPC: H05B45/325
Filed: 2020-05-14
Abstract: To provide a dimming circuit capable of resolving various restrictions of conventional dimming techniques, a dimmer including the dimming circuit, and a controller thereof.SOLUTION: A dimming circuit according to the present invention, a dimmer including the dimming circuit, and a controller thereof each include a dynamic load and a control voltage input end. One end of the dynamic load is connected to a positive electrode at an output end of a converter and a positive electrode of a main load, while the other end of the dynamic load is connected to a negative electrode at the output end of the converter and a negative electrode of the main load, and the dynamic load receives an output current of the converter. The control voltage input end is connected to the controller, and receives the control voltage output from the controller. A first branch current of the output current, which flows through the dynamic load, is adjusted by the control voltage so that a second branch current of the output current, which flows through the main load, is modified.SELECTED DRAWING: Figure 4
Patent JP-2021179528-A (JP)
Title: Image forming apparatus including curl reduction device
Inventor: UTSUNOMIYA KOICHI
IPC: G03G15/20
Filed: 2020-05-14
Abstract: To reduce a curl in a print medium generated at a fixing unit of an image forming apparatus.SOLUTION: The present disclosure provides, as one aspect, an image forming apparatus including: a primary fixing device that fixes a toner image to a surface of a print medium; a curl reduction device that receives the print medium from the primary fixing device and applies a convex curl to the print medium so that the surface becomes a convex shape; and a high gloss fixing device that receives the print medium having the convex curl from the curl reduction device, heats the fixed toner image, and subsequently cools the toner image.SELECTED DRAWING: Figure 2