baber/WOPTO huggingface dataset:
Patent JP-2023012158-A (JP)
Title: Sound absorption material
Inventor: NAKAMURA KOJI
IPC: B60R13/08
Filed: 2021-07-13
Abstract: To provide a novel sound absorption material suitable for recycling.SOLUTION: A sound absorption material 1 includes: a first layer; and a second layer in which the first layer is stacked and arranged in a thickness direction. The first layer includes short fibers and is arranged in at least one end in the thickness direction.SELECTED DRAWING: Figure 1
Patent JP-2023012238-A (JP)
Title: Image forming apparatus and method for authenticating consumable unit
Inventor: MINAMIKAWA TOMOKI
IPC: B41J29/38
Filed: 2021-07-13
Abstract: To apply authentication to a consumable unit mounted on an image forming apparatus, the authentication with different required time according to the magnitude of risk when a consumable unit with lower performance than a genuine product is mounted.SOLUTION: An image forming apparatus comprises: a mounting section on which a consumable unit is removably mounted; a risk determination section that, based on the history of use or the use environment of the apparatus, estimates the magnitude of risk when image formation is performed by using a consumable unit with lower performance than a genuine product; an authentication section that performs authentication processing on the mounted consumable unit; and a printing section that performs image formation by using the authenticated consumable unit. The authentication section applies different level of authentication to the mounted consumable unit or omits the authentication according to the estimated magnitude of risk.SELECTED DRAWING: Figure 7
Patent JP-2021170374-A (JP)
Title: Device, method, program, and system
Inventor: MITSUI SATOSHI
IPC: G06F13/00
Filed: 2021-07-14
Abstract: To provide a service system capable of easily providing photographs and moving images having a wide imaging range.SOLUTION: In a service system 100, a portable terminal 17 and information processing devices 12 and 13 can communicate via a network 18. The portable terminal includes transmission means 34 for transmitting a plurality of omnidirectional images captured at different places to an information processing device with positional information of an imaging position. Each of the information processing devices includes: reception means 23 for receiving the plurality of omnidirectional images transmitted by the transmission means; map data acquisition means 22 for acquiring map data including the imaging position of the plurality of omnidirectional images from map data storage means; route information creation means 21 for creating route information by connecting the plurality of imaging positions in the map data acquired by the map data acquisition means; and content providing means 57 for providing a content including the map data, the route information, and the plurality of omnidirectional images.SELECTED DRAWING: Figure 3
Patent JP-2023012609-A (JP)
Title: Permanent magnet type rotary electric machine, and positioning structure for magnet
Inventor: TAIRA TAKUYA
IPC: H02K1/27
Filed: 2021-07-14
Abstract: To provide a permanent magnet type rotary electric machine in which positioning of a magnet is enhanced.SOLUTION: A permanent magnet type rotary electric machine is provided, comprising a stator and a rotor disposed in radial outside of the stator. The rotor includes: a rotor yoke opposed with the stator with a gap interposed therebetween; a permanent magnet disposed on an opposite face opposed with the stator in faces of the rotor yoke; and a plate member positioning the permanent magnet in a circumferential direction. The opposite face includes a slit which is recessed radially outside. The plate member includes a fitting portion which is fitted into the slit and of which the circumferential position is fixed, and a projection protruding to radial inside from the fitting portion, a circumferential end of the permanent magnet is in contact with the projection.SELECTED DRAWING: Figure 3
Patent JP-2021182144-A (JP)
Title: Composite polarizing plate and liquid crystal display device
Inventor: HATANAKA NOBUYUKI
IPC: G02F1/1335
Filed: 2021-07-16
Abstract: To provide a composite polarizing plate having improved polarization performance.SOLUTION: The composite polarizing plate has an absorptive polarizing film, an alignment film that aligns the absorptive polarizing film, and a reflective polarizing plate, in which an angle formed by a reflection axis of the reflective polarizing plate and an absorption axis of the absorptive polarizing film is 8° or less. A roll type composite polarizing plate is also provided, in which the reflection axis of the reflective polarizing plate is in an in-plane direction at 90°±8° with respect to a roll conveyance direction, the absorption axis of the absorptive polarizing film is in an in-plane direction at 90°±8° with respect to the roll conveyance direction, and an angle formed by the reflection axis of the reflective polarizing plate and the absorption axis of the absorptive polarizing film is 8° or less.SELECTED DRAWING: None
Patent JP-2023013645-A (JP)
Title: Laser lamination molding apparatus
Inventor: KONDO MASAKI
IPC: B29C64/268
Filed: 2021-07-16
Abstract: To improve outside air shielding performance of a shield gas and linear guiding performance of a powder material by suppressing spread of a shield gas, in a laser lamination molding apparatus comprising a powder material feeding unit that includes a feeding path forming member for forming a powder material feeding path and feeds a powder material through the feeding path toward a lamination scheduled surface, a laser irradiation unit that irradiates the powder material fed to the lamination scheduled surface by the powder material feeding unit, with a laser beam, an outer cylinder that is disposed around an outer peripheral surface of the feeding path forming member to form a shield gas feeding path between the same and the outer peripheral surface, and a shield gas feeding unit that feeds a shield gas through the shield gas feeding path to surround the outside of a region of the lamination scheduled surface to which the powder material is fed.SOLUTION: A communication hole 24c for communicating a shield gas feeding path 24a inside an outer cylinder 24 in a radial direction with an external space outside the outer cylinder 24 in the radial direction is formed at a tip which is the end of a discharge side of a shield gas in the outer cylinder 24.SELECTED DRAWING: Figure 1
Patent JP-2023015573-A (JP)
Title: Packaged coffee beverage
Inventor: SAIGO RYOKO
IPC: A23F5/24
Filed: 2021-07-20
Abstract: To provide a new packaged coffee beverage having an excellent sharp aftertaste while giving a feeling of firm bitterness of coffee.SOLUTION: A packaged coffee beverage is such that: (A) a content of a milk solid content is 1.2 mass% or less; (B) a content of saccharides is 5 g/100 mL or less; (C) a content of guaiacol is 400-2,000 μg/L; (D) a total amount of a content of 2-heptanone and a content of 2-nonanone is 10-40 μg/L; and (E) the content of 2-heptanone is larger than the content of 2-nonanone.SELECTED DRAWING: None
Patent JP-2023016424-A (JP)
Title: Steering device
Inventor: KAJISAWA YUTA
IPC: B62D5/04
Filed: 2021-07-21
Abstract: To provide a steering device that can appropriately ensure power required for operating a rotation suppression unit even when a power supply of a vehicle is turned off.SOLUTION: A steering device includes a steering actuator 12 and a turning actuator 31 configured such that a power transmission path between the steering actuator 12 and the turning actuator is separated. Power is supplied from a main power supply 46 to the steering actuator 12 and the turning actuator 31 in conjunction with an on-state of a start switch 47. Meanwhile, power from the main power supply 46 is shut down in conjunction with an off-state of the start switch 47. The steering device includes a steering side motor 13 that operates to suppress the rotation of a steering wheel during an operation period when the start switch 47 is in an off-state. Also, the steering device includes an auxiliary power supply 71 separately from the main power supply 46 that supplies power to the steering side motor 13 during the operation period.SELECTED DRAWING: Figure 2
Patent JP-2021184622-A (JP)
Title: Image processing apparatus and method for controlling the same, and program
Inventor: IKEDA TORU
IPC: H04N1/00
Filed: 2021-07-29
Abstract: To provide an image processing apparatus that can display a content linked to a specific event occurring in an image processing apparatus.SOLUTION: An image processing apparatus displays a screen before a user logs in to the image processing apparatus, receives a log-in event indicating that the user has logged in to the image processing apparatus, and displays a content on the basis of content information associated with the received log-in event. The image processing apparatus displays a main menu screen including an object for instructing re-display of the content and objects for instructing use of functions of the image processing apparatus, and upon selection of the object for instructing re-display of the content included in the displayed main menu screen, re-displays the content.SELECTED DRAWING: Figure 7
Patent JP-2023020004-A (JP)
Title: Virtual image display device
Inventor: IDE MITSUTAKA
IPC: G02B27/02
Filed: 2021-07-30
Abstract: To provide a virtual image display device that can avoid or prevent an increase in size of an optical system, in turn an increase in size of the entire device.SOLUTION: A virtual image display device 200 comprises: a display element 10 that emits image light ML; a prism 20 on which the image light ML from the display element 10 is incident; a first mirror 31 that reflects the image light ML from the prism 20; a second mirror 32 that reflects the image light ML reflected on the first mirror 31; and a third mirror 33 that guides the image light ML reflected on the second mirror 32 to the position of an exit pupil PP. The prism 20 has an incident part 21 on which the image light ML from the display element 10 is incident. The incident part 21 has a first incident area 21a and a second incident area 21b. The distance from the first incident area 21a to the display element 10 is longer than the distance from the second incident area 21b to the display element 10.SELECTED DRAWING: Figure 3
Patent JP-2021167984-A (JP)
Title: Optical fiber coupler
Inventor: TAKAYA MASATO
IPC: G02B6/287
Filed: 2021-07-30
Abstract: To provide an optical fiber coupler that can prevent a variation in polarization state in light that passes through a coupler part.SOLUTION: An optical fiber coupler comprises: a substrate that has a groove; a coupler part that is inserted into the groove and couples halfway parts of a plurality of optical fibers; and an adhesive that is arranged on the inside of the groove. The optical fibers each have a glass part and a coating part the covers the glass part. The coupler part is formed by coupling the glass parts of the optical fibers from which the coating parts are removed. Both ends of the coupler part are fixed to the groove with the adhesive. The adhesive covers, on the inside of the groove, the entirety of the glass parts and coating parts in a circumferential direction. The Shore D hardness of the adhesive is 10 to 35. The plurality of optical fibers are a single mode optical fiber not having a polarization holding function.SELECTED DRAWING: Figure 1
Patent JP-2021169023-A (JP)
Title: Game machine
Inventor: MASUI TOMOKI
IPC: A63F7/02
Filed: 2021-08-05
Abstract: To provide a game machine capable of inhibiting deterioration in taste caused by such an event that a plurality of game balls enter special ball entry means.SOLUTION: A pachinko machine 10 includes, at a specific area in which game balls moving a game area can enter: a first guide passage causing game balls to reach first type ball entry means; a second guide passage causing game balls to reach second type ball entry means; and type distribution means for guiding game balls to the first guide passage or the second guide passage. The type distribution means includes retention means capable of retaining game balls, and retention part in which game balls are retained by the retention means. The retention part includes a first retention part in which retained game balls are guided to the first guide passage, and a second retention part in which retained game balls are guided to the second guide passage. When game balls are retained in the second retention part, regardless of presence or absence of retention in the first retention part, the pachinko machine executes a second provision on the basis of detection that the game balls retained in the second retention part are detected by the second type ball entry detection means.SELECTED DRAWING: Figure 1
Patent JP-2023023614-A (JP)
Title: Silicon carbide semiconductor device
Inventor: SAITO TAKESHI
IPC: H01L21/336
Filed: 2021-08-05
Abstract: To provide a silicon carbide semiconductor device in which the number of times of forming epitaxial layers can be reduced.SOLUTION: A silicon carbide semiconductor device comprises a silicon carbide substrate that has a first principal surface and a second principal surface at an opposite side of the first principal surface, the silicon carbide substrate has a drift region, a body region and a source region, a gate trench that is defined by a side surface which penetrates through the source region and the body region to reach to the drift region and a bottom surface connected to the side surface is provided on the first principal surface, the silicon carbide substrate further has a first electric field relaxation region that is provided between the gate trench and the second principal surface and has a second conductivity type, the first electric field relaxation region has a first region that is positioned at a second principal surface side compared to a bottom surface of the gate trench and a second region that projects to a first principal surface side from the first region, a portion of the drift region exists between the second region and the body region, and peak depth of effective concentration of second conductivity type impurity of the first electric field relaxation region is less than or equal to 1.0 μm based on the first principal surface.SELECTED DRAWING: Figure 1
Patent JP-2023023966-A (JP)
Title: Information processing device, information processing method, and program
Inventor: OKABE KOTARO
IPC: G05D1/02
Filed: 2021-08-06
Abstract: To provide a technology which enables mobility used for delivery of packages to be selected from several types of delivery mobility.SOLUTION: An information processing device includes a control unit which selects first mobility for delivering packages to delivery destinations in a predetermined facility from several types of delivery mobility. The control unit selects the first mobility based on time needed to deliver the packages to the delivery destinations in a site of the predetermined facility.SELECTED DRAWING: Figure 6
Patent JP-2022042967-A (JP)
Title: Positive type resist material, and pattern-forming method
Inventor: HATAKEYAMA JUN
IPC: G03F7/039
Filed: 2021-08-12
Abstract: To provide a positive type resist material having a sensitivity exceeding that of a prior positive type resist material, and small in a dimension variation (CDU) of exposure patterns, and a pattern-forming method using the same.SOLUTION: The positive type resist material includes: an acid generator of a sulfonium salt having at least one or more fluorine atoms on both of an anion part of a sulfonic acid ion bonding to a polymer main chain and a cation part of sulfonium ion; and a quencher of a sulfonium salt composed of an anion part of a carboxylic acid ion, a sulfonamide ion, an alkoxide ion, a sulfonic acid ion having no fluorine atom at α-position, and a cation part of a sulfonium ion where the total of fluorine atoms on the anion part and the cation part is two or more.SELECTED DRAWING: None
Patent JP-2022073945-A (JP)
Title: Recording medium discrimination device and recording medium type discrimination method
Inventor: TANAKA HIDE
IPC: G01N21/47
Filed: 2021-08-13
Abstract: To reduce a frequency of imaging required for discrimination of a recording medium.SOLUTION: A recording medium type discrimination method discriminates a group of a recording medium based on a feature amount extracted from imaged image data using a first parameter, and discriminates a recording medium type based on the feature amount extracted from the image data using a second parameter.SELECTED DRAWING: Figure 7
Patent JP-2023027913-A (JP)
Title: Rotor of rotary electric machine and manufacturing method of the same
Inventor: KATO HIDENORI
IPC: H02K1/27
Filed: 2021-08-18
Abstract: To suitably fix a magnet in a housing hole of a rotor core.SOLUTION: A rotor comprises a rotor core 21 and a plurality of permanent magnets housed in each housing hole 23 of the rotor core 21. The permanent magnet consists of two split magnets 22a, 22b arranged in the circumferential direction in the housing hole 23. The two split magnets 22a, 22b are gathered to one side so that core thickness in the radial direction among both sides in the radial direction of the housing hole 23 is close to a first side face 23a of a thick side in the radial direction and are gathered to one side to be respectively close to second side faces 23c, 23d in the circumferential direction. In the housing hole 23, a filler 24 is filled into a separation part between the permanent magnet and the rotor core 21 formed by gathering each split magnet 22a, 22b to one side in the radial direction and the circumferential direction.SELECTED DRAWING: Figure 3
Patent JP-2023028150-A (JP)
Title: cleaning tool
Inventor: ONO YUJI
IPC: A47L13/20
Filed: 2021-08-18
Abstract: To provide a cleaning tool in which a cleaning plate body can be removed from a holder cylindrical frame and attached to a holder cylindrical frame body.SOLUTION: A cleaning tool includes: a holder cylindrical frame body 1; a flexible cleaning plate body 2 which is formed in nearly a U-shaped plate with each of cleaning side plates 23, 24 and a cleaning connection plate 25; and a cleaning supporter which holds the end side of the other cleaning plate of the cleaning side plates 23, 24. The cleaning supporter is made freely removable from one cylindrical end 1A of a holder cylindrical frame body 1 as well as from the other cleaning plate end side and is inserted into the holder cylindrical frame body 1. Also, it is made freely movable in the cylindrical center line direction A of the holder cylindrical frame body 1 and is arranged in the holder cylindrical frame body 1. The cleaning plate body 2, along with the insertion of the cleaning supporter, makes the other cleaning plate end inserted into the holder cylindrical frame body 1 and a guide groove hole, with the cleaning connection plate made to protrude from the guide groove hole, and is arranged between the respective cylindrical ends 1A, 1B of the holder cylindrical frame body 1.SELECTED DRAWING: Figure 4
Patent JP-2022117400-A (JP)
Title: Repeatedly washable protective mask and manufacturing process thereof
Inventor: YE GANG
IPC: A41D13/11
Filed: 2021-08-19
Abstract: To provide a repeatedly washable protective mask and a manufacturing process thereof.SOLUTION: The mask includes a surface layer, an inner layer, and a middle layer between the two. The middle layer includes first, second, and third middle layers that are supersonically complexed. The first and the third middle layers are polypropylene spunbonded non-woven fabric layers. The second middle layer is a polypropylene melt-blown fabric layer formed by performing a hydroentangled electret treatment, the polypropylene melt-blown fabric layer being processed and formed from a polypropylene melt-blown material including electret mother particles of 6 to 7 wt.%. The electret mother particles contain inorganic electret particles, organic electret particles, compatibility accelerator, processing aid, and polypropylene resin. The protective mask shows PFE≥99% and BEF≥99%, and even after washed 20 times, it can achieve the filtration efficiency of PFE≥95% and BEF≥95%.SELECTED DRAWING: Figure 1
Patent JP-2023028505-A (JP)
Title: On-vehicle ventilation system
Inventor: KATAYAMA KAZUTAKA
IPC: B60H1/24
Filed: 2021-08-19
Abstract: To provide an on-vehicle ventilation system that can eliminate necessity for control of a manual adjustment and suppress a person on board from feeling a discomfort feeling, in performing ventilation by adjusting an aperture of a window during travelling of a vehicle.SOLUTION: The on-vehicle ventilation system obtains each of first environment information representing an environment of the inside of an own vehicle such as a vehicle speed, and second environment information representing an environment of the outside of the own vehicle such as an outside air temperature and a wind velocity, automatically selects a specific ventilation adjustment mode suitable for one or more persons on board, from a plurality of previously prepared ventilation adjustment modes M1-M5, on the basis of the first environment information and the second environment information, and makes a power window mechanism adjust opening and closing and an aperture of widows at seat positions, in accordance with the selected specific ventilation adjustment mode, which further uses apertures of the windows differently in the plurality of modes. The system detects the number of the persons on board and a seating position for each person on board, and reflects a detected result to selection of the ventilation adjustment modes. This can prevent ventilation by opening the windows from causing a discomfort feeling even if many unspecified persons are on board a same vehicle such as a share car.SELECTED DRAWING: Figure 2
Patent JP-2023030273-A (JP)
Title: Non-contact power feeding device
Inventor: KATABIRA YASUHIRO
IPC: H02J50/90
Filed: 2021-08-23
Abstract: To solve the problem related to an adapter and a cable for power feeding when the number of correspondable carts is made variable in units of 1 in a non-contact power feeding device for feeding power to article registration devices installed on carts.SOLUTION: In a non-contact power feeding device provided with a placement part on which carts each having a device and a power reception part for receiving power supplied to the device are piled up in one direction to be stacked and placed, and transmitting power by non-contact feeding to the power reception part of the cart stacked on the placement part, the non-contact power feeding device comprises: a power feeding unit to which each of the number of carts corresponding to the number of carts stackable along a pile-up direction of the carts is connected to constitute the placement part, and which is provided with a power transmission part for transmitting power by non-contact power feeding to the one power reception part per one cart; a stop part to which a front end part of the leading cart that travels on the placement part is bumped, to define a stop position of the cart, and which stores in a housing a relay board for relaying a power feeding to the power feeding unit from a power source; and a relay cable for connecting between a power transmission terminal of the relay board and a power reception terminal of a board on which the power transmission part is mounted.SELECTED DRAWING: Figure 6