baber/WOPTO huggingface dataset:
Patent JP-2023107392-A (JP)
Title: Image forming apparatus
Inventor: KADOTA ICHIRO
IPC: G03G15/08
Filed: 2022-01-24
Abstract: To prevent filming at the ends of an intermediate transfer body at a lower cost than before and with reduced toner consumption.SOLUTION: An image forming apparatus has: an image carrier 2; a lubricant application device 20 that applies lubricant to a surface of the image carrier 2; an intermediate transfer body 3 that is arranged opposite to the image carrier 2; and a developing device 11 that is arranged between the lubricant application device 20 and a transfer nip in the direction of rotation of the image carrier and includes a developer carrier 51 carrying a two-component developer consisting of toner and carrier. The amount of developer drawn up at the ends in a longitudinal direction of the developer carrier 51 is larger than the amount of developer drawn up at the center in the longitudinal direction.SELECTED DRAWING: Figure 4
Patent JP-2023107515-A (JP)
Title: engine device
Inventor: KOMATSU TAKEHIRO
IPC: F02D29/02
Filed: 2022-01-24
Abstract: To realize excellent startability of an engine even when the engine stops at a position where electromagnetic pickup has a missing tooth.SOLUTION: An engine device comprises an engine having an in-cylinder injection valve, a motor connected to an output shaft of the engine via a clutch, a control device that controls the engine, the motor and the clutch, and a crank angle sensor having a timing rotor with a missing tooth and an electromagnetic pickup. When the electromagnetic pickup is at the position of the missing tooth when the engine is stopped, the control device performs at least one of fuel injection amount correction for correcting a fuel injection amount to stabilize combustion due to ignition and ignition timing correction for correcting an ignition timing to suppress the shock of initial explosion.SELECTED DRAWING: Figure 3
Patent JP-2023108389-A (JP)
Title: Power conversion device
Inventor: MAKI KOJI
IPC: H02M7/48
Filed: 2022-01-25
Abstract: To provide a power conversion device capable of attaining reduction of loss or reduction of cost, capable of avoiding an application of an excessive voltage to a switch element and further capable of also attaining simplification of control.SOLUTION: A power conversion device comprises three current type converters by which three-phase AC power is converted into DC power and outputted or DC power is converted into three-phase AC power and outputted. Each current type converter includes: an AC terminal, a positive side terminal and a negative side terminal; an upstream side switch circuit connected between the AC terminal and the positive side terminal; and a downstream side switch circuit connected between the AC terminal and the negative side terminal. AC input to the AC terminal is converted into DC power and outputted from the positive side terminal and the negative side terminal or DC input to the positive side terminal and the negative side terminal is converted into AC power and outputted from the AC terminal.SELECTED DRAWING: Figure 2
Patent JP-2023109410-A (JP)
Title: Mold underfill composition for TSV
Inventor: KIM MIN SUK
IPC: C08G59/24
Filed: 2022-01-27
Abstract: To provide a liquid epoxy resin composition which has good injection property, gives a cured product providing an electronic component preventing short circuit in a bias HAST test, and can impart sufficient reliability to an electronic component including high-density wiring formed by a technique such as TSV.SOLUTION: A mold underfill composition for TSV contains (A) an epoxy resin, (B) a curing agent, (C) a filler, and (D) carbon black, in which (A) the epoxy resin contains a specific aliphatic epoxy resin, (C) the filler has specific particle size distribution, and contents of the carbon black and chloride ions (Cl-) are within predetermined ranges. An electronic component including a cured product obtained by curing the mold underfill composition for TSV prevents short circuit for a long time in a bias HAST test performed under a predetermined condition.SELECTED DRAWING: None
Patent JP-2022119738-A (JP)
Title: Dynamic memory having long retention time
Inventor: Lu chao-chun
IPC: G11C11/404
Filed: 2022-01-27
Abstract: To provide a DRAM chip having a sustainable storage architecture.SOLUTION: A DRAM includes: a DRAM cell which has an access transistor 11 and a storage capacitor 12; and a word line WL which is coupled to a gate terminal of the access transistor. During a period between the selection of such a word line that turns on the access transistor and the non-selection of such a word line that turns off the access transistor, a first voltage level or a second voltage level is stored into the DRAM cell, and the first voltage level is higher than the voltage level of a signal ONE used in the DRAM, and the second voltage level is lower than the voltage level of a signal ZERO used in the DRAM.SELECTED DRAWING: Figure 1A
Patent JP-2023110428-A (JP)
Title: ice dispenser
Inventor: ARAI NOBUYUKI
IPC: F25C1/147
Filed: 2022-01-28
Abstract: To provide an ice dispenser capable of suppressing changes in the amount of ice discharged in fixed amount discharge operation when a number of rotations of a motor changes.SOLUTION: An ice dispenser 10 is equipped with a stocker 15 that has an ice outflow port 15a discharging ice, a shutter device 17 that opens/closes an ice outflow port 15a of the stocker 15, an agitator 15c that agitates ice of the stocker 15, a motor 13c that drives the agitator 15c, and a control device 35 that controls the driving of the shutter device 17 and the motor 13c. The control device 35 controls opening time of the shutter device 17 opening the ice outflow port 15a on the basis of the discharge amount of the ice discharged from the ice outflow port 15a which is set in advance and a power supply frequency of a power supply supplying power to the motor 13c.SELECTED DRAWING: Figure 2
Patent JP-2023111051-A (JP)
Title: anchor unit
Inventor: OSHIMA MASATAKA
IPC: E02D27/00
Filed: 2022-01-31
Abstract: To provide an anchor unit which enables a trestle to be installed at a position not interfering with a reinforcement and the like installed around the anchor unit and the trestle.SOLUTION: An anchor unit is installed above a trestle. The anchor unit includes at least four anchor bolts, and a support member which is installed above the trestle and supports the lower ends of the anchor bolts. The support member has a support body part, and a fixing part which is disposed on the upper end of the support body part and fixes the lower ends of the respective anchor bolts.SELECTED DRAWING: Figure 1
Patent JP-2023111600-A (JP)
Title: Compressor and heat pump system
Inventor: FUJIOKA KAN
IPC: F04C29/12
Filed: 2022-01-31
Abstract: To provide a compressor which may facilitate gasification of a refrigerant in an accumulator chamber caused by heat generated in association with the operation.SOLUTION: A compressor includes: a drive shaft; a shell case; a motor part; a first shell cover; an accumulator cover; and a compression part. The drive shaft is stored in the shell case. The shell case has a cylindrical shape extending in an axial direction, a direction of a center axis of the drive shaft, and has a first end and a second end at the opposite side of the first end in the axial direction. The motor part is housed in the shell case and configured to rotate the drive shaft around the center axis. The first shell cover closes an opening of the shell case at the first end. An outer wall surface of the first shell cover is formed with a recessed part recessed to the inner side of the shell case and an accumulator cover is attached to the outer wall surface so as to close the recessed part and define an accumulator chamber to which a refrigerant is supplied.SELECTED DRAWING: Figure 3
Patent JP-2023113251-A (JP)
Title: Measurement apparatus
Inventor: HARUSE Yuta
IPC: G01S7/4863
Filed: 2022-02-03
Abstract: To provide a measurement apparatus with high measurement performance.SOLUTION: A measurement apparatus comprises: a light emitting element which emits light toward an object; a plurality of light receiving elements which receives light reflected from the object and is arrayed in the first direction; and a control unit. The control unit executes: the first light reception processing of causing the light receiving element in the first light reception region including the two or more light receiving elements arrayed in the prescribed number in the first direction in the plurality of light receiving elements to receive the light; the first movement processing of moving the light reception region in the first direction by the first number that is less than the prescribed number; and the second light reception processing of causing the light receiving element in the first light reception region after the first movement processing in the plurality of light receiving elements to receive the light.SELECTED DRAWING: Figure 5
Patent JP-2023115522-A (JP)
Title: Laminated filter
Inventor: NAKATSUTSUMI JUN
IPC: H01F27/00
Filed: 2022-02-08
Abstract: To provide a laminated filter capable of improving performance.SOLUTION: A laminated filter 1 comprises a wall 13 which is disposed and grounded between a first inductor 11 and a second inductor 12. Therefore, electromagnetic coupling between the first inductor 11 and the second inductor 12 can be suppressed. A penetration part 30 penetrating in an opposing direction, in which the first inductor 11 and the second inductor 12 are opposed, is formed in the wall 13. In a lamination direction, a size of the penetration part 30 is larger than a size of one insulator layer 7. The wall 13 includes the large penetration part 30 to make a magnetic flux of the second inductor 12 which is a longitudinally wound inductor pass from the penetration part 30. Therefore, it is possible to suppress disturbance of the magnetic flux of the second inductor 12 to enhance a Q-value.SELECTED DRAWING: Figure 2
Patent JP-2022138118-A (JP)
Title: Wind turbine setpoint reduction
Inventor: ISAAC PINEDA AMO
IPC: F03D7/04
Filed: 2022-02-09
Abstract: To provide methods for determining a maximum power setpoint for a wind turbine.SOLUTION: The present disclosure relates to methods for determining a maximum power setpoint for a wind turbine comprising: determining an ambient temperature; determining temperatures of one or more wind turbine components; and determining a current power output of the wind turbine. The methods further comprise determining the maximum power setpoint based at least partially on a thermodynamic model of the wind turbine components, the ambient temperature, the temperatures of the components of the wind turbine, and the present power output of the wind turbine. The present disclosure further relates to methods for determining a setpoint reduction, and to wind turbine control systems and wind turbines configured for such methods.SELECTED DRAWING: Figure 3
Patent JP-2023119519-A (JP)
Title: Motor control system, motor control device, life estimation method, and electric vehicle
Inventor: MAEMURA AKIHIKO
IPC: H02P29/62
Filed: 2022-02-16
Abstract: To provide a motor control system and the like capable of estimating a lifetime of a winding wire included in a motor with high accuracy.SOLUTION: A motor control system 15 has: a motor 3 including a winding wire 41; and a motor control device 5 for controlling the motor 3. The motor control device 5 has: a specification information recording unit 61 for recording specification information relating to the winding wire 41; and a calculation executing unit 63 for executing calculations related to a lifetime of the winding wire 41 based on the specification information recorded in the specification information recording unit 61.SELECTED DRAWING: Figure 8
Patent JP-2022063356-A (JP)
Title: Game machine
IPC: A63F7/02
Filed: 2022-02-24
Abstract: PROBLEM TO BE SOLVED: To provide a game machine that can suppress deterioration in amusement of a game. 
     SOLUTION: A game machine capable of executing performance for a game includes: a substrate on which electronic components for executing performance for the game are arranged; and a cover body arranged on a front side of the substrate. The electronic components mounted on the substrate include a light emitter to radiate light from an inside of the cover body. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023124927-A (JP)
Title: gas sensor
Inventor: ONISHI RYO
IPC: G01N27/409
Filed: 2022-02-28
Abstract: To provide a gas sensor which offers improved water resistance.SOLUTION: A gas sensor according to an aspect of the present invention comprises an exterior protection cover with an exterior surface having a water flow path provided thereon at a position at a given distance from exterior gas holes in a circumferential direction of the exterior protection cover to extend in a direction at an angle with the circumferential direction of the exterior protection cover.SELECTED DRAWING: Figure 2
Patent JP-2023126024-A (JP)
Title: Bent-neck container
Inventor: ISHIKAWA TAKESHI
IPC: B65D1/02
Filed: 2022-02-28
Abstract: To provide a bent-neck container that is excellent in stability when laid on its side.SOLUTION: A bent-neck container 1 has a flat circular shape with the long axis direction as the front-back direction and the short axis direction as the width direction when viewed from the side of a bottom 2; a body 3 where the width of a long axis direction portion 3a is narrower than the width of a long axis direction portion 3b; a neck 4 having a bent portion 4a that bends toward the long axis direction of the body 3; and a mouth portion that is oriented in the bending direction of the neck 4. A ground surface F1 is formed on the bent portion 4a of the neck 4, which is grounded together with a short axis direction portion 3c formed between the long axis direction portion 3a and the long axis direction portion 3b of the body portion 3 when the neck-bent container 1 is laid on its side.SELECTED DRAWING: Figure 2
Patent JP-2023127390-A (JP)
Title: Cured film-forming composition, cured film, self-supporting film and method for producing cured film
Inventor: NANASHIMA YUTAKA
IPC: C08F220/28
Filed: 2022-03-01
Abstract: To provide a cured film-forming composition that can be produced from carbon dioxide, a cured film, a self-supporting film and a method for producing a cured film.SOLUTION: A cured film-forming composition includes an ethylene carbonate-containing acryl monomer (A) having an ethylene carbonate structure represented by the following formula (1), and an active energy-ray curable compound (B) having a reactive group.SELECTED DRAWING: None
Patent JP-2023128724-A (JP)
Title: Fixing device and image forming apparatus
Inventor: TAKEMASA RIKIYA
IPC: G03G15/20
Filed: 2022-03-04
Abstract: To prevent an increase in the temperature of a pressure rotating body and bring the pressure rotating body and a fixing belt into contact with each other or separating them from each other at the optimum speed according to a use state when suspending a continuous job.SOLUTION: When suspending a continuous job, a fixing device 8 increases the speed of contact and separation between a pressure roller 330 and a fixing belt 310 caused by a pressure driving unit 391 in a "productivity priority mode" compared to the speed of contact and separation in a "silence priority mode."SELECTED DRAWING: Figure 14
Patent JP-2023130024-A (JP)
Title: Window-mounted photovoltaic power generation system
Inventor: KURODA MUTSUMI
IPC: E06B9/264
Filed: 2022-03-07
Abstract: To improve power generation efficiency by changing the direction of a solar cell panel while simply, easily and safely mounting a photovoltaic power generation panel on a window of an existing building.SOLUTION: A photovoltaic power generation system includes a frame body 2 provided between a window lintel 42 and a window sill 41 of a window section 4 of a building, a power generation unit 1 provided in the frame body 2 and receiving sunlight from a window 40 to generate power, and a connection mechanism 3 for connecting upper and lower parts of the frame body 2 to the window lintel 42 and the window sill 41. The frame body 2 is configured such that a pair of horizontal frames 22 connect upper and lower sides of a pair of vertical frames 21. The power generation unit 1 includes a plurality of blades 5 vertically arranged in a posture parallel to the horizontal frames 22, a rotation mechanism 7 for rotating the plurality of blades 5 around a rotation shaft 6 disposed in parallel with each blade 5, and solar battery panels 8 placed on outer surfaces of the blades 5. The connection mechanism 3 includes a holding member 30 provided on the window lintel 42 and the window sill 41, for holding the frame body 2 in a vertical posture by holding the upper and lower parts of the frame body 2.SELECTED DRAWING: Figure 1
Patent JP-2022158989-A (JP)
Title: Solid-state image pickup element
Inventor: LIN CHENG-HSUAN
IPC: H04N5/369
Filed: 2022-03-10
Abstract: To provide a solid-state image pickup element.SOLUTION: A solid-state image pickup element having a first region and a second region adjacent to the first region along a first direction is provided. The solid-state image pickup device has a first unit pattern set up in the first region. The solid-state image pickup device further has a second unit pattern which is set up in the second region and corresponds to the first unit pattern. Each of the first unit pattern and the second unit pattern has normal pixels and autofocus pixel arrays. The normal pixels and the autofocus pixel arrays form a first array in the first unit pattern, the normal pixels and the autofocus pixel arrays form a second array in the second unit pattern, and the first array and the second array are symmetrical to each other with respect to a first symmetrical axis.SELECTED DRAWING: Figure 1
Patent JP-2023134968-A (JP)
Title: Method for calculating ferrite transformation temperature, cooling control method, and manufacturing method of steel sheet
Inventor: ISHII TOMOYASU
IPC: C21D11/00
Filed: 2022-03-15
Abstract: To provide a method for calculating a ferrite transformation temperature of a steel sheet capable of accurately calculating the ferrite transformation temperature considering external factors and the temperature of the steel sheet during cooling.SOLUTION: A method for calculating the ferrite transformation temperature of a steel sheet includes: an estimation step for estimating the temperature change of the steel sheet at the time of cooling by injecting cooling water by calculating a temperature prediction model equation including a correction coefficient applied to the heat transfer coefficient of the surface of the steel sheet and a specific heat calculated from the ferrite transformation temperature as variables using actual data on the cooling treatment of the steel sheet by the injection of cooling water; a back-calculation step for calculating a correction coefficient by which the cooling end temperature of the steel sheet estimated in the estimation step coincides with the actual value of the cooling end temperature using the temperature prediction model equation; and a correction step for correcting the ferrite transformation temperature so that the difference between the cooling midway temperature of one or more steel sheets estimated in the estimation step and the actual value of the cooling midway temperature becomes small.SELECTED DRAWING: Figure 2
Patent JP-2023137716-A (JP)
Title: Laminate molding apparatus and method for manufacturing laminated product
Inventor: MURANAKA KATSUTAKA
IPC: B29C64/153
Filed: 2022-03-18
Abstract: To provide a laminate molding apparatus capable of efficiently cooling even when a set temperature at a time of raising the temperature of a molding table is relatively high, while avoiding an increase in an introduction cost and enlargement of a refrigerant circulation device.SOLUTION: A laminate molding apparatus of the present invention includes: a molding table; an irradiation device; a temperature adjustment device; a refrigerant circulation device; and control means. A material layer is formed on the molding table by supplying material powder. The irradiation device irradiates the material layer with a laser beam or an electron beam to form a solidified layer. The temperature adjustment device includes a heater that heats the molding table to a set temperature and a first cooler that cools the molding table. The refrigerant circulation device adjusts the temperature of a refrigerant and circulates it between the first cooler and the refrigerant. The control means controls a supplied refrigerant temperature, which is a temperature of the refrigerant supplied from the refrigerant circulation device, based on the set temperature.SELECTED DRAWING: Figure 1
Patent JP-2023144581-A (JP)
Title: Active noise reduction system and active noise reduction program
Inventor: INOUE TOSHIRO
IPC: G10K11/178
Filed: 2022-03-28
Abstract: To provide an inexpensive active noise reduction system that can effectively reduce noise.SOLUTION: An active noise reduction system 11 includes: canceling sound output devices 12A-12D that output a canceling sound y for canceling noise; a plurality of noise microphones 13A-13E that generate a plurality of noise signals x on the basis of noise; and a controller 16 that controls the canceling sound output devices 12A-12D on the basis of the plurality of noise signals x. The controller 16 acquires the plurality of noise signals x output from the plurality of noise microphones 13A-13E, selects a reference signal r' corresponding to the noise and an error signal e' corresponding to an error between the noise and the canceling sound y from among the plurality of noise signals x, generate a correction reference signal r by removing a component of the canceling sound y from the reference signal r', and generates a control signal u for controlling the canceling sound output devices 12A-12D on the basis of the correction reference signal r.SELECTED DRAWING: Figure 2
Patent JP-2022140430-A (JP)
Title: Rivaroxaban-containing tablet
Inventor: OSAKI KIWAMU
IPC: A61K47/14
Filed: 2022-03-09
Abstract: To provide a rivaroxaban-containing pharmaceutical tablet having improved leachability and oral absorptivity.SOLUTION: A tablet contains rivaroxaban, and one or more cellulose polymers selected from the group consisting of low-degree-substitution hydroxypropyl cellulose, hypromellose, hydroxypropyl cellulose, and methyl cellulose.SELECTED DRAWING: Figure 1
Patent JP-2023149501-A (JP)
Title: Function estimation method and function estimation program
Inventor: ITO HIROTO
IPC: G06F30/32
Filed: 2022-03-31
Abstract: To improve the generalizability of function estimation for LSI netlists.SOLUTION: A function estimation method is executed by a computer in order to estimate a function based on a netlist used in logical design of an LSI using a GNN, which is a network having a graph structure, and is provided with a first estimation step in which a first function estimation is performed using a first GNN based on the netlist and a second estimation step in which a second function estimation is performed using a second GNN based on an estimation result of the first estimation step. The second estimation step performs clustering on each node of an output graph that is the estimation result of the first estimation step, and generates a matrix expressing a type of each node after clustering to the second GNN as input data for performing the second function estimation.SELECTED DRAWING: Figure 1