baber/WOPTO huggingface dataset:
Patent JP-2023111367-A (JP)
Title: Ship cooling system
Inventor: NAKAGAWA YOSHIYA
IPC: H01M10/6568
Filed: 2022-01-31
Abstract: To provide a ship cooling system that can be used at the time of battery charging on the land and can be introduced and operated at relatively low costs.SOLUTION: A ship cooling system 1 comprises: a coolant flow channel 12 through which coolant for cooling a battery 5 circulates; a cooling water flow channel 13 through which cooling water circulates; and a heat exchanger 14 for performing heat exchange between the coolant and the cooling water. The cooling water flow channel 13 includes a tank 21. The ship cooling system 1 is configured to be capable of storing water in the tank 21 when a ship on which the ship cooling system 1 is mounted is on the water and is configured so that water in the tank 21 can circulate through the cooling water flow channel 13 as cooling water in the case of charging the battery 5 on the land.SELECTED DRAWING: Figure 3
Patent JP-2023112616-A (JP)
Title: Information provision device, learning device, information provision system, information provision method, and program
Inventor: YOSHIKAWA SHIGEJI
IPC: G06Q50/10
Filed: 2022-02-01
Abstract: To provide an information provision device, a learning device, an information provision system, an information provision method, and a program that can guide a user to programs the user prefers according to user's location and a behavior pattern.SOLUTION: A cloud server 1 comprises a movement state determination unit 113 that determines a user's movement state based on the staying time of the user at each of at least one user stopover location, and an estimation unit 115 that estimates the user's movement path using a route estimation model that estimates user's movement path from the movement state, and estimates the user's homecoming time using a homecoming time estimation model that estimates the user's homecoming time from the staying time at each of at least one stopover location included in the estimated movement path.SELECTED DRAWING: Figure 4
Patent JP-2023112990-A (JP)
Title: Semiconductor device
Inventor: KUSUKAWA JUNPEI
IPC: H02M7/48
Filed: 2022-02-02
Abstract: To provide a power conversion device in which heat dissipation, vibration resistance, connection reliability, and insulation reliability are improved.SOLUTION: A power conversion device comprises: a semiconductor device that includes a semiconductor element, two heat spreaders, and an external terminal; a circuit board that includes a first insulation layer; and a cooler. The circuit board includes: a concave part in which the semiconductor device is installed; a first conductive layer that forms a bottom surface of the concave part; and a second conductive layer that is arranged in a layer different from the first conductive layer, and of which at least one part is exposed in the concave part. One of the heat spreaders is in contact with the bottom surface of the concave part, and is bonded to the first conductive layer via a first metal bonding material. The external terminal is bonded to the second conductive layer via a second metal bonding material. The other of the heat spreaders is in pressure-contact with the cooler via a second insulation layer different from the first insulation layer.SELECTED DRAWING: Figure 2A
Patent JP-2022158925-A (JP)
Title: Toner storage container and image forming apparatus
Inventor: YOSHIZAWA HIDEO
IPC: G03G15/08
Filed: 2022-02-04
Abstract: To easily check the state of a member installed on the inner side in an attachment direction of a toner storage container without reducing the positional accuracy of an information storage device.SOLUTION: A part to be held 34 non-rotationally held on an image forming apparatus body 100 covers part of a container body 33 on the inner side in an attachment direction and is installed such that a gear part 37 is exposed. An ID chip 50 (information storage device) and a holding part 40 holding the ID chip 50 at a position on the inner side in the attachment direction than the gear part 37 and held by the part to be held 34 through a connection part 39 are provided. When seen on a cross section orthogonal to a rotation axis, the ID chip 50, holding part 40, and connection part 39 are arranged at oblique positions excluding positions on a horizontal line S and a vertical line R passing through the rotation axis X. The connection part 39 is provided with rib-like parts 39b that are formed to cover a part in the direction of rotation of the gear part 37 and connect the part to be held 34 and the holding part 40 to each other.SELECTED DRAWING: Figure 8
Patent JP-2023114383-A (JP)
Title: injection molding method
Inventor: KOBAYASHI NOBUHIRO
IPC: B29C45/00
Filed: 2022-02-04
Abstract: To provide an injection molding method capable of efficiently manufacturing an injection molded product having a hole with excellent visibility from outside.SOLUTION: An injection molding method of the present invention comprises: a molding step of inserting a slide pin into a mold to perform injection molding; an extracting step of extracting the slide pin after the molding step; and a hole closing step of closing at least part of a hole formed by the slide pin.SELECTED DRAWING: Figure 1
Patent JP-2023117648-A (JP)
Title: printer
Inventor: KUSUMOTO YUKIO
IPC: B41J29/38
Filed: 2022-02-14
Abstract: To provide a printer which suppresses power consumed by a printing module without disturbing printing.SOLUTION: A printing module 30 prints an image on a sheet when printing start is instructed by a controller 24, and the controller 24 instructs shift to a power saving mode to the printing module when a period during which printing is not executed is continuous for a predetermined time. In the case of being shifted to the power saving mode, the printing module 30 holds information required for printing when the printing is stopped by generation of an error during printing, and does not hold the information required for printing when the printing is not stopped.SELECTED DRAWING: Figure 1
Patent JP-2022081496-A (JP)
Title: Manufacture method of display device
IPC: H01L27/32
Filed: 2022-02-16
Abstract: PROBLEM TO BE SOLVED: To suppress fluctuations in electrical characteristics and improve reliability in a semiconductor device having an oxide semiconductor film. 
     SOLUTION: A semiconductor device having an oxide semiconductor film includes a gate electrode, a gate insulating film on the gate electrode, an oxide semiconductor film on the gate insulating film, and a pair of electrodes on the oxide semiconductor film, and the oxide semiconductor film includes a channel region and an n-type region in contact with the pair of electrodes, and the oxygen deficiency in the channel region is smaller than that in the n-type region. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022065147-A (JP)
Title: Optical receptacle and optical transceiver
IPC: G02B6/38
Filed: 2022-02-22
Abstract: PROBLEM TO BE SOLVED: To provide an optical receptacle and an optical transceiver which can reduce the total length of an optical module, does not require a precise size tolerance for the axis-directional length of a fiber, prevents decrease of the coupling efficiency, and can suppress loss of MFD conversion. 
     SOLUTION: The optical receptacle includes: a fiber stub having an optical fiber with a core and a clad, a ferrule with a through-hole, and an elastic member fixing the optical fiber; a holding tool for holding the fiber stub; a sleeve for holding a plug ferrule, the optical fiber having one end surface and the other end surface opposite to each other, the optical fiber having a first part on the other end surface side, a third part on one end surface side, and a second part between the first and second parts, the first part having a core diameter smaller than that of the third part, the second part having a core diameter becoming larger from the first part to the third part, and the elastic member being located between the optical fiber and the through-hole. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022071017-A (JP)
Title: Slitter knife and slitter
IPC: B23D19/00
Filed: 2022-02-24
Abstract: PROBLEM TO BE SOLVED: To provide a slitter knife capable of preventing a breakage of a hard film. 
     SOLUTION: A slitter knife includes: a disc-shaped base having a circular first surface, a circular second surface facing the first surface, and a third surface connecting to each of the first surface and the second surface; and a hard film covering the base. In the first surface, with respect to a radius r from a center of a circle to an outer edge, a portion extending from the center to the outer edge of a circle surrounded by 0.7r is an outer edge portion. The hard film covers the third surface, and also extends from the third surface to at least the outer edge portion of the first surface. When the hard film on the third surface is set as a first region and the hard film on the outer edge portion is set as a second region, average thickness of the first region is at least twice or more the maximum thickness of the second region. A slitter according to the present disclosure comprises the aforementioned slitter knife. 
     SELECTED DRAWING: Figure 2 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022071028-A (JP)
Title: Material handling apparatus with delivery vehicles
IPC: B07C5/10
Filed: 2022-02-24
Abstract: PROBLEM TO BE SOLVED: To provide a material handling apparatus for sorting a plurality of items. 
     SOLUTION: A material handling apparatus comprises: a plurality of delivery vehicles 200 for delivering items to sort destinations, each comprising an article support surface for supporting the item, and an end detection assembly for detecting the end of the item when carried onto the delivery vehicle 200 or discharged from the delivery vehicle 200, the end detection assembly comprising an emitter radiating a beam toward the article support surface and being disposed below the article support surface and projecting the beam across the article support surface, and also comprising a plurality of detectors where an object on the item support surface of the delivery vehicle affects the beam; and a controller for controlling loading into the delivery vehicles or for controlling discharge of the item from the delivery vehicle. Therein, the emitter emits the beam toward a reflecting mirror, and the reflecting mirror reflects the beam towards the plurality of detectors. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023125035-A (JP)
Title: Diaphragm for speaker and speaker device
Inventor: NAKAGAWA MASARU
IPC: H04R7/02
Filed: 2022-02-28
Abstract: To improve sound pressure characteristics and acoustic physical properties by reducing the amount of resin contained in a cloth material constituting a speaker device.SOLUTION: A diaphragm 4 configuring a speaker device is formed in a double layer structure by laminating a reinforcement member 42 on a cloth member 41 impregnated with resin. The cloth member 41 is formed by impregnating a fabric formed of sprit yarns interwoven with thermosetting resin. The cloth member 41 laminated on the reinforcement member 42 formed in a cone shape is hot-pressed to be bonded to the reinforcement member 42. The cloth member 41 woven with the sprit yarns has less irregularity and smaller weaving angle than conventional cloth members, thereby reducing the amount of resin contained. Accordingly, sound pressure characteristics and acoustic physical properties can be improved.SELECTED DRAWING: Figure 5
Patent JP-2023130805-A (JP)
Title: Rotor core, rotor, and rotary electric machine
Inventor: LUO TA-YIN
IPC: H02K1/24
Filed: 2022-03-08
Abstract: To provide a rotor of a rotary electric machine that improves torque at the start-up.SOLUTION: A rotor core 20 is rotatable around a center axis J, and the rotor core comprises: a plurality of magnetic pole parts P arranged at an interval in a circumferential direction; and a plurality of magnetic pole intermediate parts M arranged between the magnetic pole parts adjacent in the circumferential direction. The plurality of magnetic pole intermediate parts each have a through hole group including a plurality of through holes 30 arranged at an interval in a radial direction. The through holes each have outer end parts 30a, 30b located at an outer edge part 20b in the radial direction of the rotor core, and in each of the plurality of magnetic pole intermediate parts, the outer end parts are arranged in a first area P1 and a second area P2 that are arranged with the center in the circumferential direction of the magnetic pole intermediate part therebetween. The number of the outer end parts arranged in the second area is less than the number of the outer end parts arranged in the first area.SELECTED DRAWING: Figure 2
Patent JP-2023136745-A (JP)
Title: Beverage supply device
Inventor: ITO SHUICHI
IPC: A47J31/42
Filed: 2022-03-17
Abstract: To reduce time required for extracting a beverage.SOLUTION: A beverage supply device is equipped with an extracting machine 30 for extracting a beverage by putting ground coffee beans and hot water into a cylinder 341 and supplies coffee extracted by the extracting machine 30 into a cup C. The extracting machine 30 puts the hot water mixed with the ground coffee beans as mixing hot water in midair into a cylinder 341. The extracting machine 30 includes a raw material chute part 33 having a raw material passage 331 for dropping the ground coffee beans to the cylinder 341, and the raw material chute part 33 preferably has a mixing hot water nozzle 434 for discharging the mixing hot water to a part of the raw material passage 331. In addition, the mixing hot water nozzle 434 preferably discharges the mixing hot water obliquely downward in a manner to block a part of the raw material passage 331.SELECTED DRAWING: Figure 8
Patent JP-2023139543-A (JP)
Title: slot machine
Inventor: OGURA TOSHIO
IPC: A63F5/04
Filed: 2022-03-22
Abstract: To provide a slot machine that is improved regarding control for determining that a difference between an impartation number and a use number in an advantageous section exceeds a specific number.SOLUTION: A difference between the total number of imparted game values imparted in an advantageous section and the total number of used imparted game values is counted as a difference number count value, the advantageous section is completed when a specific event based on borrow of the difference number count value occurs, and an initial value of the difference number count value is set such that a specific phenomenon occurs when a difference between the total impartation number and the total use number exceeds a specific number.SELECTED DRAWING: Figure 93
Patent JP-2023140848-A (JP)
Title: folding device
Inventor: KUBO KAZUHIRO
IPC: B65H45/20
Filed: 2022-03-23
Abstract: To provide a folding device capable of allowing a user not to perform a paper jam removal operation by preventing a height of a folded bundle from exceeding an allowable upper limit, and discharging paper sheets without causing a paper jam at a discharge port, a folding roller pair or the like.SOLUTION: A folding device escapes a subsequent recording medium from a folded bundle by displacing a folding position and forms the spread-like folded bundle by alternately forming a folding width in designated length and a folding width shorter than the designated length from a folding operation after a predetermined number of sheets, when it is determined that the folding bundle exceeds a predetermined height capable of passing through a discharge port or a folding roller pair by continuing folding processing with a constant folding width, based on the total length of the recording medium and the folding width.SELECTED DRAWING: Figure 7
Patent JP-2023141365-A (JP)
Title: Lead-free solder alloy, solder paste, electronic circuit mounting board and electronic control device
Inventor: ARAI MASAYA
IPC: B23K35/26
Filed: 2022-03-23
Abstract: To provide a lead-free solder alloy and a solder paste that have a resistance to instantaneous and concentrated force and good heat conductivity in addition to cooling/heating cycle characteristics and can be suitably used for also solder joining when performing mixed loading of large and small electronic components, and an electronic circuit mounting board having a solder joint formed by using these, and an electronic control device.SOLUTION: A lead-free solder alloy contains Ag of 2.5 mass% or more and 4 mass% or less, Cu of more than 0 mass% and 1 mass % or less, Sb of 3 mass% or more and 7 mass% or less, Ni of 0.01 mass% or more, and Co of 0.005 mass% or more, the total content of Ni and Co is 0.05 mass% or less, and the remainder comprises Sn and inevitable impurities.SELECTED DRAWING: None
Patent JP-2023142781-A (JP)
Title: Ophthalmologic system
Inventor: SAKURADA TOSHIHIRO
IPC: A61B3/00
Filed: 2022-03-25
Abstract: To provide an ophthalmologic system which allows an external examiner and an internal examiner to observe a subject (subject eye) at a desired angle without obstructing optometry.SOLUTION: An ophthalmologic system 1 comprises: a measuring head 16 which stores a measurement optical system 20; a column 13 which supports the measuring head; a visual target presentation device 30 which presents a visual target to a subject eye E; an internal operation unit 52 which performs an operation for movement of acquisition of information in the measurement optical system 20 and setting of a visual target presented by the visual target presentation device 30; a subject imaging unit 33 which images a subject S; an internal display unit 53 which displays an image; and a control unit (main control unit 26) which controls each unit (20, 30, 33, 53) on the basis of the operation to the internal operation unit 52 or data input from the outside. The subject imaging unit 33 is provided in an opposed region Ao opposed to the subject S for which measurement by the measurement optical system 20 and the target presentation device 30 is performed in the vicinity of the column 13.SELECTED DRAWING: Figure 1
Patent JP-2023144454-A (JP)
Title: Semiconductor device, manufacturing method for the same, and power conversion device
Inventor: SHIRAISHI MASAKI
IPC: H01L21/336
Filed: 2022-03-28
Abstract: To provide a semiconductor device, a manufacturing method for the same, and a power conversion device capable of preventing an increase in the on-voltage of an IGBT and, with a simpler process, improving the reverse recovery characteristics of a diode portion.SOLUTION: A semiconductor device 100 (RC-IGBT) has a configuration in which, in the RC-IGBT that has an IGBT portion and a diode portion in a single chip, a body layer 11 of the diode portion is formed shallower than a body layer 10 of the IGBT portion, a lifetime control layer 8 of the IGBT portion is formed in the body layer 10 of the IGBT portion, and a lifetime control layer 8 of the diode portion is formed in an n-drift layer 4 under the body layer 11 of the diode portion.SELECTED DRAWING: Figure 1
Patent JP-2023144599-A (JP)
Title: Cleaning water remote monitoring system of dust collector
Inventor: ICHIKAWA TATSUYA
IPC: B01D35/16
Filed: 2022-03-28
Abstract: To provide a cleaning water remote monitoring system of a dust collector which can remotely monitor clogging of a strainer for cleaning water and a cleaning nozzle.SOLUTION: A cleaning water remote monitoring system 10 of a dust collector includes: a cleaning water supply part 20 which cleans a screen 4 of a dust collector; and a remote control device 40 which monitors the cleaning water supply part 20 through a communication part 60. The cleaning water supply part has: a cleaning water supply pump 22 and a cleaning water main pipe 24; a strainer 26 which is disposed in the main pipe and removes refuse; a first pressure sensor 28 which detects a water pressure of the main pipe; a cleaning spray 30 which sprays cleaning water to the screen; a cleaning water branch pipe 32; and a second pressure sensor 34 which detects a water pressure of the branch pipe. The communication part has: first communication means 62 which transmits detection values of the pressure sensors; and second communication means 64 which receives the detection values of the pressure sensors from the first communication means. The remote control device includes a display part 42 which displays the detection values of the pressure sensors.SELECTED DRAWING: Figure 1
Patent JP-2023149805-A (JP)
Title: Pipe structure, and internal combustion engine having pipe structure
Inventor: YOSHIKAWA TAICHI
IPC: F01M13/00
Filed: 2022-03-31
Abstract: To suppress deformation of an inner pipe portion and an outer pipe portion in a pipe structure having the inner pipe portion and the outer pipe portion.SOLUTION: A pipe structure 1 connecting a first passage 37 formed on a first member 5 and a second passage 10 formed on a second member 7 has: an outer pipe portion 80; an inner pipe portion 81 disposed inside of the outer pipe portion at an interval; a connecting portion 82 connecting an intermediate portion in a longitudinal direction of an outer peripheral surface of the inner pipe portion and an intermediate portion in a longitudinal direction of an inner peripheral surface of the outer pipe portion; and a plurality of communication holes 87 penetrating through the connecting portion in parallel with the longitudinal direction of the inner pipe portion. A first outer connection pipe 34 is fitted to one end portion of the outer pipe portion, a second outer connection pipe 64 is fitted to the other end portion of the outer pipe portion, a first inner connection pipe 35 is fitted to one end portion of the inner pipe portion, a second inner connection pipe 65 is fitted to the other end portion of the inner pipe portion, the first passage and the second passage are connected by the inner pipe portion, a first chamber 39 and a second chamber 69 are connected via a plurality of communication holes, and a first pressure sensor 40 is connected to one of the first chamber and the second chamber.SELECTED DRAWING: Figure 3
Patent JP-2023149942-A (JP)
Title: Image projector and method for projecting image
Inventor: TSUDA TOSHIAKI
IPC: G09G5/38
Filed: 2022-03-31
Abstract: To provide an image projector and a method for projecting an image that can suppress the strange feeling when the user views a projection image even when the travel route of a vehicle is changed in a lateral direction.SOLUTION: An image projector projects a projection image to a display unit (25) for displaying a virtual image (41, 42), and includes: an image radiation unit (10) for radiating a projection image; an optical unit (20) for irradiating a display unit (25) with the projection image as image light; a travel route detection unit (31) for detecting a change of the travel route of a vehicle in a lateral direction; and a control unit (30) for controlling the projection position of the projection image on the basis of the result of detection of a change of the travel route.SELECTED DRAWING: Figure 1
Patent JP-2023150466-A (JP)
Title: Diaper for pet
Inventor: WATANABE KUNIHIKO
IPC: A01K23/00
Filed: 2022-03-31
Abstract: To provide a diaper for a pet easy to use at the time of attaching and disposal.SOLUTION: A diaper 1 for a pet comprises: a body part 3 to be used by being wound so as to bring the inner face into contact with the trunk of the pet; an absorption member 5 disposed between a first end part 7 and a second end part 8 disposed in both ends in a longitudinal direction L1 of the body part 3, and absorbing liquid invading from an inner face side; gather parts 13 disposed along the longitudinal direction L1 across the absorption member 5 and expanding and contracting in the longitudinal direction; and a joint tape 15 attached to an external face at an opposite side to the inner face of the second end part 8, and joined to the inner face of the first end part 7. The gather part 13 is disposed over a middle position in front of a second edge portion 8a of the second end part 8 from a first edge portion 7a side of the first end part 7 of the body part 3.SELECTED DRAWING: Figure 3