baber/WOPTO huggingface dataset:
Patent JP-2022140260-A (JP)
Title: fuel cell system
Inventor: KITAMURA NOBUYUKI
IPC: H02M3/155
Filed: 2021-10-21
Abstract: To provide a fuel cell system capable of appropriately measuring AC impedance of a fuel cell.SOLUTION: In a fuel cell system, a control unit performs ON/OFF control of an n-phase switch, operates the n-phase switch with different phases, operates the n-phase switch with the same duty ratio, operates the n-phase switch in the same phase when it is determined that a certain condition is satisfied, measures the AC impedance of a fuel cell from a current waveform and a voltage waveform of the fuel cell.SELECTED DRAWING: Figure 15
Patent JP-2023062815-A (JP)
Title: Electronic device, method for manufacturing electronic device, and crimping device
Inventor: OHAZAMA HIDETAKA
IPC: H01L21/60
Filed: 2021-10-22
Abstract: To easily identify the correspondence between a crimping portion and a device bonded to a substrate by the crimping portion.SOLUTION: When a first bonding portion 520A thermally compresses a first bonding portion 110A and a second bonding portion 210A via a first resin film 300A, a first portion 522A presses downward the upper surface of a first region 312A of a first peripheral region 310A. When the first bonding portion 520A thermally compresses the first bonding portion 110A and the second bonding portion 210A via the first resin film 300A, a second portion 524A overlaps with a second region 314A of the first peripheral region 310A in a vertical direction.SELECTED DRAWING: Figure 4
Patent JP-2023065952-A (JP)
Title: Image forming system, printer, and image forming method
Inventor: HOTTA AYAKA
IPC: B41J29/38
Filed: 2021-10-28
Abstract: To improve convenience of a user, regarding an image forming system that executes printing while consuming a printable amount in accordance with an amount charged.SOLUTION: A printer 30 notifies a server 50 of history information including at least the time and date in which printing is executed and the number of sheets printed, in accordance with execution of printing. The server calculates, based on the notified history information, a consumption rate that indicates a printable amount consumed for a predetermined period, and calculates a predicted charge time that indicates a time to execute the next charge processing, on the basis of the calculated consumption rate. The server 50 causes the calculated predicted charge time to be notified of.SELECTED DRAWING: Figure 1
Patent JP-2023066168-A (JP)
Title: Power conversion method and electric power conversion device
Inventor: KOMAZAKI SHINYA
IPC: H02P27/08
Filed: 2021-10-28
Abstract: To provide a power conversion method for achieving PWM control for suppressing a ripple current of one smoothing capacitor shared by each switching circuit in an electric power conversion device for performing power control of three or more AC motors, and to provide the electric power conversion device.SOLUTION: Provided is a power conversion method executed in an electric power conversion device including: a switching circuit connected with each of three or more AC motors; a power storage element provided parallel to a DC terminal of the switching circuit; and a control section for performing PWM control individually using each carrier wave with the same carrier frequency with respect to each switching circuit. The power conversion method determines a mutual phase difference between the carrier waves on the basis of a direction of torque output by each AC motor.SELECTED DRAWING: Figure 3
Patent JP-2023066700-A (JP)
Title: Nonwoven fabric and production method thereof
Inventor: KOBAYASHI HIDEYUKI
IPC: A61F13/51
Filed: 2021-10-29
Abstract: To provide a nonwoven fabric that has a soft and good cushioning property and is composed of a bulky and thick fiber structure so that the thickness can be retained and is hard to be crushed when used under pressure.SOLUTION: A nonwoven fabric is formed by laminating two or more fiber layers in a thickness direction. A first fiber layer on one surface side has convex parts and concave parts. A second fiber layer adjacent to the first fiber layer on the other surface side in the thickness direction has convex parts entering inside on the other surface side of the convex part of the first fiber layer. Fused parts of interlaminar fiber intersection points are included at least in an interface between a wall part in the convex part on the first fiber layer and a wall part in the convex part of the second fiber layer. Wall part fiber orientation in the wall part of the convex part of the first fiber layer is 0.70 to 0.99. A ratio of the wall part fiber orientation in the convex part of the first fiber layer to the wall part fiber orientation in the convex part of the second fiber layer (former/latter) is 1.1 to 1.5.SELECTED DRAWING: Figure 1
Patent JP-2023067539-A (JP)
Title: Power conversion device
Inventor: SEKIGUCHI KEI
IPC: H02M7/49
Filed: 2021-11-01
Abstract: To provide a highly reliable power conversion device improving performance in operation continuation, with the suppression of a converter overcurrent and a converter overvoltage which occur in the event of a system accident.SOLUTION: A power conversion device which can convert between AC and DC includes a power converter and a converter control unit. The power converter includes a switching element which can switch AC terminal voltages on the AC side. The converter control unit gives an operation command to the switching element. Upon detection of an absolute value of the AC voltage decreased from a predetermined range, the converter control unit limits active power output by the power converter to a range which is smaller than a rated active power before an abnormality causing the decrease of the AC voltage absolute value is removed, and continues the restriction of the active power until at least the abnormality is removed.SELECTED DRAWING: Figure 1
Patent JP-2023073905-A (JP)
Title: Cushioning material for hot pressing
Inventor: KONO SHUHEI
IPC: D03D15/41
Filed: 2021-11-16
Abstract: To provide a cushioning material for hot pressing that has excellent durability and can retain an excellent cushioning property even when the cushioning material is used repeatedly.SOLUTION: A cushioning material 10 for hot pressing has a cushioning part 1. The cushioning part 1 includes: a woven fabric 5 in which a twisted yarn is used as at least one of warp 5a and weft 5b; and a polymer material 6 attached to a surface of the fibers constituting the woven fabric 5. The twisted yarn to be used as at least one of warp 5a and weft 5b of the woven fabric 5, is made up of a plurality of pieces of bulky yarn composed of glass fibers having been twisted together.SELECTED DRAWING: Figure 1
Patent JP-2023076107-A (JP)
Title: Rotary electric machine and pump
Inventor: KATAOKA YOSHIHIRO
IPC: H02K11/33
Filed: 2021-11-22
Abstract: To provide a rotary electric machine and a pump having a structure capable of suppressing enlargement.SOLUTION: A rotary electric machine according to an embodiment of the present invention includes a rotor rotatable about a central axis J, a stator positioned radially outside the rotor and surrounding the rotor, a circuit board 80 located on one axial side of the stator, and a cover 120 positioned axially between the stator and the circuit board 80, the cover 120 includes a cover body positioned between the stator and the circuit board 80 in the axial direction, and a projecting portion 124 projecting from the cover body to one side in the axial direction, the projecting portion 124 includes a support portion connected to the cover body, and a crimped portion 124e having a width smaller than that of the support portion and crimped in a direction intersecting the axial direction, and the support portion is in contact with the circuit board from the other side in the axial direction. The crimped portion 124e has a contact portion 124c that contacts the circuit board 80 from one side in the axial direction.SELECTED DRAWING: Figure 4
Patent JP-2023078964-A (JP)
Title: State monitoring device and state monitoring method
Inventor: NAGAMOTO MASAKI
IPC: G01M17/08
Filed: 2021-11-26
Abstract: To provide a state monitoring device and a state monitoring method capable of monitoring a state of a large number of object items without complicating configuration and processing.SOLUTION: A state monitoring device 1 includes: a vibration sensor 2 provided on a railway vehicle 11; a determination unit 3 for determining presence/absence of abnormality for each object item of state monitoring based on a detection signal from the vibration sensor 2; and a storage unit 4 for storing a reference table 5 in which a calculation interval is associated with a detection signal for each object item. The determination unit 3 calculates an interval sum of squares of an output value of a detection signal based on the calculation interval for each object item to determine the presence/absence of abnormality for each object item by comparing the interval sum of squares with a preset threshold value.SELECTED DRAWING: Figure 1
Patent JP-2022135912-A (JP)
Title: Reductant, method for producing gas and method for increasing conversion efficiency
IPC: B01J23/80
Filed: 2021-11-30
Abstract: PROBLEM TO BE SOLVED: To provide a reductant that can convert carbon dioxide into carbon monoxide with high efficiency and is available for e.g. the chemical looping method, and a gas producing method and a conversion-efficiency increasing method using the reductant. 
     SOLUTION: A reductant produces carbon valuables by reduction of carbon dioxide. The reductant has: a granular carrier including a plurality of pores and having a repose angle of 45° or more; and an oxygen carrier supported on the carrier and having oxygen ionic conductivity. In the reductant, the carrier preferably has an average pore diameter of 0.1 nm or more. 
     SELECTED DRAWING: None 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023082329-A (JP)
Title: Combined filament yarn and woven knitted fabric
Inventor: SUZUKI YUTARO
IPC: D02G3/36
Filed: 2021-12-02
Abstract: To provide a combined filament yarn excellent in permeability preventing property and fastness under a humid condition and manufacturing process passing property, and a highly stretchable woven knitted fabric that uses the combined filament yarn and has cotton-like soft feeling.SOLUTION: A combined filament yarn consists of a core yarn and a sheath yarn. The core yarn is a side-by-side type or eccentric sheath-core type composite fiber. The sheath yarn has an outermost layer part having titanic oxide content of 0 to 2 mass% and an inner layer part having titanic oxide content of 5 to 60 mass%. The combined filament yarn is a fiber in which the titanic oxide of the inner layer part is rutile type and covers the composite fiber.SELECTED DRAWING: None
Patent JP-2023082770-A (JP)
Title: Titanium oxide dispersion
Inventor: OKUOKA SHINICHI
IPC: B41M5/00
Filed: 2021-12-03
Abstract: To provide a titanium oxide dispersion that has high antifoamability, comprises reduced coarse particles, has excellent sedimentation stability, and expresses excellent coating properties when used as aqueous white ink raw material.SOLUTION: A titanium oxide dispersion comprises rutile titanium oxide (A), a dispersant (B), and water. The rutile titanium oxide (A) comprises one or more elements selected from aluminum, silicon, and zirconium, with its mass ratio satisfying the following formula (1): 0.8<Si/(Al+Zr)<4.0 (1). The dispersant (B) has an acid value of 150 mgKOH/g or less. The content of the dispersant (B) is 1-8 pts.mass relative to 100 pts.mass of the rutile titanium oxide (A).SELECTED DRAWING: None
Patent JP-2023084446-A (JP)
Title: drive circuit
Inventor: HIRAI KAZUTO
IPC: H02M1/08
Filed: 2021-12-07
Abstract: To provide a drive circuit that can reduce switching losses during turn-off operation.SOLUTION: A drive circuit 1 includes a switching unit 3 having a first transistor Tr1 that constitutes an upper arm and a second transistor Tr2 that is connected in series with the first transistor Tr1 and also constitutes a lower arm, and a drive power supply 5 in which a positive terminal is connected to a gate terminal of the first transistor Tr1 and a negative terminal is connected to a source terminal of the second transistor Tr2. When turning off the switching unit 3, the first transistor Tr1 is turned off after the second transistor Tr2 is turned off.SELECTED DRAWING: Figure 1
Patent JP-2023085623-A (JP)
Title: game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2021-12-09
Abstract: To provide a game machine for increasing a performance effect in connection with a title display of a ready-to-win performance.SOLUTION: A performance control CPU 120 can execute a super-ready-to-win performance after a decorative pattern displayed on an image display device 5 becomes a ready-to-win mode. The super-ready-to-win performance is configured while including a title display part for displaying corresponding title characters, and an introduction part until a performance result is reported. Then, the decorative pattern is displayed in the ready-to-win mode before the title display part in the super-ready-to-win performance, and the title characters corresponding to the super-ready-to-win performance are displayed so as to use a display position of the decorative pattern resulting in the ready-to-win mode in the title display part. A performance control CPU 120 displays a first background display 004SG081 during a first customer-waiting period (first period) after completion of a game (stopping and displaying of a variable display) in a low-base state, and displays a demonstration movie during a second customer-waiting period (second period) after completion of the first customer-waiting period.SELECTED DRAWING: Figure 11-32
Patent JP-2022078012-A (JP)
Title: Fluid circulation type bedding
Inventor: TAKAHASHI MICHINORI
IPC: A47C21/04
Filed: 2021-12-09
Abstract: To provide fluid circulation type bedding capable of efficiently performing temperature adjustment.SOLUTION: Fluid circulation type bedding 1 comprises a bag body 10 into which the body of a user is inserted, and a fluid supply unit 13 supplying fluid adjusted in a temperature to the bag body. The bag body has flow channels on an upper surface and a lower surface of the bag body, and the fluid supply unit supplies fluid adjusted in a temperature to the flow channels.SELECTED DRAWING: Figure 1
Patent JP-2023087988-A (JP)
Title: Information processing system
Inventor: HOMMA YUKI
IPC: G06Q30/0203
Filed: 2021-12-14
Abstract: To provide an information processing system for estimating interest of a customer visiting an actual shop.SOLUTION: An information processing system includes: an image information reception processing unit for receiving image information obtained by imaging the inside of an actual ship with an imaging device; a posture estimation processing unit for performing posture estimation processing of a person reflected in the image information; a preprocessing unit for setting, in teacher data, information showing a person's interest in a commodity based on a position and/or a posture in the image information of the person due to a result of the posture estimation processing; a learning processing unit for performing learning processing of an interest estimation model by using the teacher data; and an interest estimation processing unit for outputting information showing the person's interest in the commodity reflected in the image information to be a processing object by using the interest estimation model.SELECTED DRAWING: Figure 1
Patent JP-2023088085-A (JP)
Title: tire
Inventor: KIDA Hideka
IPC: B60C9/18
Filed: 2021-12-14
Abstract: To provide a tire which can improve uneven wear resistance performance.SOLUTION: A belt 6 of a tire comprises: plural layers of crossing belt layers 6a; and one or plural layers of circumferential belt layers 6b which include circumferential belt codes 6bc respectively extending along a tire circumferential direction. An angle of a crossing belt code 6ac to a tire width direction is 20-45°. A tread part 100 includes: a plurality of major grooves 110 respectively extending along a tire circumferential direction; and a sub groove 130 which is arranged at a shoulder land part 121, and whose groove width is narrower than that of the major groove to extend along the tire circumferential direction. An outer groove wall surface positioned at a tire width direction outer side among a pair of groove wall surfaces in the sub groove is positioned at the same position in the tire width direction as the tire width direction outermost end of one or plural layers of the circumferential direction belt layers, or positioned at the inner side in the tire width direction in comparison with the tire width direction outermost end of one or plural layers of the circumferential direction belt layers.SELECTED DRAWING: Figure 1
Patent JP-2023089381-A (JP)
Title: game machine
Inventor: ISHIZUKA KEITA
IPC: A63F7/02
Filed: 2021-12-16
Abstract: To provide a game machine which can improve a player's attention degree to a game.SOLUTION: A game machine includes a drawing pattern display device 36 which can be seen from a front side of a game board, an upper side rotary accessory 7 configured to be rotatable when seen from the front side of the game board, and a lower side rotary accessory 8 configured to be rotatable when seen from the front side of the game board. The game machine has an upper side accessory performance in which light from the drawing pattern display device 36 in a specific position can be seen through a flower petal 71 in a predetermined rotational state, and a lower side accessory performance in which the lower side rotary accessory 8 can be seen through the flower petal 71 in the predetermined rotational state by moving the lower side rotary accessory 8 and interrupting, with the lower side rotary accessory 8, the light from the drawing pattern display device 36 in the specific position. The lower side accessory performance is varied in a probability of generating an advantageous state advantageous for a player depending on a movement path of the lower side rotary accessory 8.SELECTED DRAWING: Figure 111
Patent JP-2022037136-A (JP)
Title: Footwear system for ulcer or pre-ulcer detection
IPC: A43B13/14
Filed: 2021-12-16
Abstract: PROBLEM TO BE SOLVED: To provide a footwear system having a plurality of temperature sensors to determine emergence of an ulcer or pre-ulcer on a person's foot. 
     SOLUTION: After a plurality of temperature sensors generate a plurality of discrete temperature data values, a system and a method form a temperature map. This temperature map represents substantially the current geometric shape of at least one portion of a foot and a distribution of temperatures of the at least one portion of the foot. Next, the method and the system determine whether or not the temperature map represents at least one of a plurality of prescribed patterns, and produces output information indicating emergence of an ulcer or a pre-ulcer on a given portion on the foot. The output information is produced depending on whether or not the temperature map is determined to present the at least one of the plurality of prescribed patterns. 
     SELECTED DRAWING: Figure 7 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023089836-A (JP)
Title: Positive electrode for lithium ion secondary battery, and, lithium ion secondary battery
Inventor: YUBUCHI SO
IPC: H01M4/131
Filed: 2021-12-16
Abstract: To disclose a positive electrode for a lithium ion secondary battery, enabling a cycle characteristic of a battery to be improved.SOLUTION: A positive electrode for a lithium ion secondary battery is provided, including: a sulfide solid electrolyte; and a positive electrode active material that includes a component indicated by LixMnyO2 (0.95≤x≤1.05 and 0.95≤y≤1.05), and including zigzag layer structure as a base structure and a α-NaFeO2 type layer structure as a domain.SELECTED DRAWING: Figure 2
Patent JP-2022151566-A (JP)
Title: Image processing device, output system, terminal device, and output method
Inventor: NAGAO TAKESHI
IPC: G06F3/12
Filed: 2021-12-17
Abstract: To provide an image processing device or the like capable of executing a job without directly touching an operation screen.SOLUTION: An image processing device includes a control unit, a device information generation unit that generates device information including device identification information, and a job execution unit that executes a job with predetermined settings on the basis of setting information related to job execution sent from a terminal device, and the control unit displays the generated device information on the terminal device, and controls the job execution unit on the basis of the setting information related to job execution transmitted from the terminal device that reads the displayed device information to output the job with predetermined settings.SELECTED DRAWING: Figure 1
Patent JP-2023091624-A (JP)
Title: Manufacturing method for tank
Inventor: HATTA TAKESHI
IPC: B29C70/48
Filed: 2021-12-20
Abstract: To provide a manufacturing method for a tank capable of improving resin impregnation and tank performance and obtaining excellent surface quality.SOLUTION: A manufacturing method for a tank comprises: arranging in a mold 10 a preform 2 having a fiber layer 5 formed by winding fibers around the external surface of a hollow liner 4 (S202); introducing low-temperature nitrogen gas into the liner 4 of the preform 2 (S203); lowering the internal pressure of the liner 4 (S204); filling a resin 6 into the mold 10 while maintaining the internal pressure of the liner 4 below a resin pressure (S205); and after the mold 10 is completely filled with the resin 6, increasing the internal pressure of the liner 4 to be higher than the resin pressure (S206).SELECTED DRAWING: Figure 1
Patent JP-2023097509-A (JP)
Title: Liquid cargo ship
Inventor: OHASHI TETSUYA
IPC: B63B25/16
Filed: 2021-12-28
Abstract: To provide a liquid cargo ship that an operator can get close to a connection port of a manifold pipeline without passing through under a manifold pipeline.SOLUTION: A liquid cargo ship comprises a hull 10, multiple manifold pipelines 20 including a connection port 22 connected to external equipment 36 exchanging a liquid cargo, a loading station 30 located below the multiple manifold pipelines, a high place part 40 located above the multiple manifold pipelines, and gap access equipment 43 connecting the high place part and a gap region 35 corresponding to the space between adjacent manifold pipelines on the upper surface of the loading station.SELECTED DRAWING: Figure 4
Patent JP-2023029182-A (JP)
Title: Terminal unit and first terminal
Inventor: KANEMATSU YUTA
IPC: H01R13/04
Filed: 2021-12-29
Abstract: To disclose a novel terminal unit capable of suppressing scraping of plating on a columnar connection portion and a tubular connection portion.SOLUTION: A terminal unit 10 includes a first terminal 12 having a columnar connection portion 16, and a resin cap 24 whose maximum outer diameter is made larger than the outer diameter of the columnar connection portion 16, and a second terminal 14 having a tubular connection portion 18 that is elastically deformable in a radial direction. The columnar connection portion 16 is press-fitted into and assembled to the cylindrical connection portion 18. In a state where the resin cap 24 is located inside the tubular connection portion 18, the tubular connection portion 18 is expanded and deformed by the resin cap 24, whereby second side contacts 56a and 56b provided on the inner peripheral surface 20 of the tubular connection portion 18 are pushed in such a direction as to be away from a first side contact 22 configured by the outer peripheral surface of the columnar connection portion 16. In a state where the resin cap 24 is arranged to protrude from the tubular connection portion 18 to the tip side in a press-fitting direction, a second side contact 56 is pressed against the first side contact 22 by the elastic restoring force of the tubular connection portion 18.SELECTED DRAWING: Figure 3