baber/WOPTO huggingface dataset:
Patent JP-2022136973-A (JP)
Title: Ethylene-vinyl acetate copolymer, and molding, sheet, and foam comprising the same
Inventor: NASU HIDEKI
IPC: C08F218/08
Filed: 2022-01-19
Abstract: To provide an ethylene-vinyl acetate copolymer having excellent impact strength, environmental stress cracking resistance, releasability, and transparency, and a molding, a sheet, and a foam comprising the same.SOLUTION: An ethylene-vinyl acetate copolymer contains a vinyl acetate unit of 11 mass% or more and 25 mass% or less and an ethylene unit. By GPC-FTIR, a molecular weight distribution, as well as a methylene group-attributable absorbance I(-CH2-), a carbonyl group-attributable absorbance I(-C=O), and a methyl group-attributable I(-CH3) for each molecular weight are measured, so that a gradient P of the least-squares method approximate linear relational expression of an absorbance ratio (Ii(-C=O)/Ii(-CH2-)) to a logarithm log(Mi) of each molecular weight Mi in a half-width region of the molecular weight distribution is 0.00≤P≤1.40, and an average value Q of an absorbance ratio (Ii(-CH3)/Ii(-CH2-)) of each molecular weight Mi in the half-width region of the molecular weight distribution is 23.0≤Q≤30.0.SELECTED DRAWING: None
Patent JP-2023107434-A (JP)
Title: Heat-resistant process sheet for metal-working
Inventor: MORIKAWA TAKAYUKI
IPC: D21H13/40
Filed: 2022-01-24
Abstract: To provide a heat-resistant process sheet for metal-working, a metal surface of which is hardly damaged even at a high temperature and which is hardly contaminated.SOLUTION: A heat-resistant process sheet for metal-working, comprising: a base material containing glass fibers with a flat cross section and fibrillated fibers; and a surface layer containing montmorillonite.SELECTED DRAWING: None
Patent JP-2023108210-A (JP)
Title: River structure for hydraulic power generation and construction method thereof
Inventor: TOKIDA MIYUKI
IPC: E02B9/06
Filed: 2022-01-25
Abstract: To provide a river structure for hydraulic power generation hardly impairing appearance of rivers, and capable of steadily generating power, and a construction method thereof.SOLUTION: A river structure for hydraulic power generation comprises: a water collecting recessed part 2 provided on a river bottom 10 of a river 1; a tunnel 3 extending from a bottom part of the recessed part 2 toward a downstream part of the river 1 with downward gradient and connecting the bottom part to the downstream part; and multiple hydraulic power generation devices 4 installed inside the tunnel 3. A construction method of the river structure for hydraulic power generation has an excavation step, a tunnel forming step, and an installation step. In the excavation step, the water collecting recessed part 2 is formed by excavating a part of the river bottom 10 of the river 1. In the tunnel forming step, the tunnel 3 is formed. In the installation step, multiple hydraulic power generation devices 4 are installed in the tunnel 3.SELECTED DRAWING: Figure 1
Patent JP-2022114461-A (JP)
Title: Image sensor including isolation structure
Inventor: CHANG CHONGKWANG
IPC: H01L27/146
Filed: 2022-01-25
Abstract: To provide an image sensor for improving resolution.SOLUTION: An image sensor includes: a substrate 106; an isolation structure 141 that penetrates the substrate; photoelectric conversion element domains PD separated from each other by the isolation structure in the substrate; a color filter 160 on a second surface 106s2 of the substrate; and a micro-lens 170 on the color filter. The isolation structure includes a lower separation pattern 115 and an upper separation pattern 138. In a plan view, the isolation structure includes first line parts extending in a first horizontal direction and second line parts crossing perpendicularly the first line parts and extending in parallel with each other. In a cross section structure obtained by cutting one first line part in the first horizontal direction, at least one of an upper surface of the lower separation pattern and a lower surface of the upper separation pattern has a wavy shape or sawtooth shape. In a crossing domain in which two line parts crossing each other, a vertical length of either one of the lower separation pattern and the upper separation pattern is about two to about ten times larger than that of the other.SELECTED DRAWING: Figure 2a
Patent JP-2022044761-A (JP)
Title: Game machine
IPC: A63F7/02
Filed: 2022-01-27
Abstract: PROBLEM TO BE SOLVED: To provide a game machine capable of increasing an interest in a game. 
     SOLUTION: Variable game execution means can execute a variable game in which variable means that can be changed to a first position where game balls can enter ball entry means and a second position where game balls are more difficult to enter than the first position is variable in a predetermined variable pattern. Privilege imparting means imparts a predetermined privilege advantageous to a player on the basis of entry of game balls having entered the ball entry means to a specific area. A game machine of the present invention includes a first flow path and a second flow path for flowing down the game balls which have entered the ball entry means to the specific area. Thereby, a flow-down situation of the game balls in the ball entry means can be diversified and interest in a game can be increased. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022048374-A (JP)
Title: Game machine
IPC: A63F7/02
Filed: 2022-02-04
Abstract: PROBLEM TO BE SOLVED: To provide a game machine that allows players to play with peace of mind. 
     SOLUTION: On the basis of a determination result of determination means being a specific determination result, variation means is variably controlled by variation control means from a second state to a first state for a predetermined period, and a drive member for changing the flow-down area in which game balls that have entered ball entry means flow is driven by drive control means. On the basis of the fact that detection means has detected the game balls, a predetermined privilege advantageous to the player is imparted by privilege imparting means. In a specific state where it is difficult for the detection means to detect the game balls, a specific control is executed by specific control means on the basis of the flow-down situation of the game balls that have entered the ball entry means, thereby allowing players to play with peace of mind. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023114211-A (JP)
Title: wiring board
Inventor: KIMURA RYOYA
IPC: H05K3/46
Filed: 2022-02-04
Abstract: To provide wiring boards with excellent signal transmission quality.SOLUTION: A wiring board 1 of the embodiment has a plurality of alternately stacked insulating layers 11a, 11b, 11c and conductor layers 12a, 12b, 12c, a plurality of sub-substrates 10A, 10B, 10C, which are spaced apart from each other in the planar direction, and a sealing layer 100 filling a gap between the plurality of sub-substrates 10A, 10B, 10C and bonding the plurality of sub-substrates 10A, 10B, 10C together. At least two of the plurality of sub-substrates 10A, 10B, 10C have conductor layers of different thicknesses from each other.SELECTED DRAWING: Figure 1
Patent JP-2023116013-A (JP)
Title: Color measuring device
Inventor: YOSHIDA HIROSHI
IPC: G01J3/46
Filed: 2022-02-09
Abstract: To solve the problem in which: in a configuration that distinguishes adjacent color patches from each other based on the difference in color between the adjacent color patches, a colorimetric error may occur.SOLUTION: A color measuring device comprises: an opening that is arranged at the bottom of a device main body, the opening for taking in light reaching from an object to be measured to the inside of the device main body; an incident light processing unit that processes the light incident through the opening; a rotating body that is provided at the bottom of the device main body and in contact with the object to be measured, the rotating body having an elliptic shape and rotating centered on a rotation shaft following the movement of the device main body in a predetermined direction; a detection unit that detects displacement of the rotation shaft in a direction in which the rotation shaft advances or retreats with respect to the object to be measured in association with the rotation of the rotating body; and a control unit that receives signals from the incident light processing unit and the detection unit.SELECTED DRAWING: Figure 3
Patent JP-2023117437-A (JP)
Title: star motor generator
Inventor: ANDO SHIGERU
IPC: H02K16/00
Filed: 2022-02-11
Abstract: To provide a motor generator with high efficiency and improved maintainability.SOLUTION: In a motor generator equipped with a plurality of motors 17, a gear mechanism, a drive shaft 11, and a case, the gear mechanism is a gear mechanism in which a one-stage drive gear 14 attached to the drive shaft 11 and a toothed wheel 15 attached to the motor 17 mesh with each other, and the motor 17 and the gear mechanism are installed inside the case, and the motor 17 is arranged circumferentially at equal angular intervals around the drive shaft 11.SELECTED DRAWING: Figure 1
Patent JP-2022065097-A (JP)
Title: Oral composition
IPC: A61K35/20
Filed: 2022-02-15
Abstract: PROBLEM TO BE SOLVED: To provide an oral composition containing charcoal with high versatility in order to effective utilize the charcoal. 
     SOLUTION: An oral composition has charcoal and at least one selected from the group consisting of 3-hydroxy-3-methylbutyric acid, creatine, an amino acid, a peptide and a protein. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022094355-A (JP)
Title: Application sheet
IPC: G09B21/00
Filed: 2022-02-17
Abstract: PROBLEM TO BE SOLVED: To provide an application sheet capable of allowing visually impaired persons to easily fill with application information. 
     SOLUTION: Multiple pieces of required information 12, 22a, 22b, 32, 42, 52, and 62 for applying the procedure using an application sheet 1 are displayed. The application sheet 1 has multiple columns including an entry date entry column 10, an address entry field 20, a name entry column 30, a photo pasting column 50, and a stamp column 60, which are required for entering application information necessary for applying for the procedure based on the pieces of required information 12, 22a, 22b, 32, 42, 52, and 62. Each column 11, 21, 31, 41, 51, and 61 of the entry date entry column 10, the address entry column 20, the name entry column 30, the photo pasting column 50, and the stamp column 60 is embossed so that the dot-shaped embossing is continuous, but no perforation line is formed around the embossing. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023120901-A (JP)
Title: Acoustic inspection device and acoustic inspection method
Inventor: EBATO AKIHIKO
IPC: G01H3/00
Filed: 2022-02-18
Abstract: To highly accurately inspect abnormality of an inspection object using acoustic waves.SOLUTION: An acoustic inspection device comprises a vibration-applying sound source, at least three microphones, a removal unit, an intensity calculation unit, and an estimation unit. The removal unit calculates an impulse response between the microphones on the basis of the sound pressure of radiated sounds collected via a reference microphone and the sound pressure of radiated sounds collected by a first microphone, calculates an impulse response between the microphones on the basis of the sound pressure of radiated sounds collected via the reference microphone and the sound pressure of radiated sounds collected by a second microphone, and removes, from these impulse responses, the components equivalent to applied vibration sounds. The intensity calculation unit calculates the intensity of radiated sounds on the basis of the impulse responses from which the applied vibration sounds has been removed. The estimation unit estimates a region of the inspection object where abnormality has occurred, on the basis of the calculated intensity.SELECTED DRAWING: Figure 1
Patent JP-2023122099-A (JP)
Title: Rotary electric machine casing and motor
Inventor: SHIRAKI MANABU
IPC: H02K5/18
Filed: 2022-02-22
Abstract: To provide a casing without an increase in the number of components and intrusion of dust even if the casing is applied as an in-wheel motor.SOLUTION: A casing 10 of a rotary electric machine for storing a rotor inside thereof includes: a cylindrical side wall 12a; and end walls arranged on longitudinal both ends of the side wall 12a. The end wall includes first concave and convex fins 16a and 16c on side faces positioned on an inner side of the casing 10. The concave and convex fins 16a and 16c are radially arranged from a center side to an outer peripheral side of the end walls.SELECTED DRAWING: Figure 1
Patent JP-2023123266-A (JP)
Title: Image forming apparatus
Inventor: TAWADA TAKAAKI
IPC: G03G21/00
Filed: 2022-02-24
Abstract: To prevent advance of filming while reducing unnecessary toner consumption in an image forming apparatus using developer including toner particles and lubricant particles.SOLUTION: An image forming apparatus forms, on a recording material P, an image formed on a latent image carrier by a developing device using developer including toner particles and lubricant particles, and the apparatus has control means that executes pattern image forming control of forming a toner pattern TP not formed on the recording material with the toner particles during an image forming operation or in a period before the start or after the completion of the image forming operation. The control means executes the pattern image forming control such that the toner pattern is not formed in a width area corresponding to a part or all within the maximum image width of an image formed during the image forming operation, and is formed in a width area corresponding to the outside of the maximum image width of the image formed during the image forming operation.SELECTED DRAWING: Figure 2
Patent JP-2023124257-A (JP)
Title: Material structure identification method
Inventor: HARADA EMI
IPC: G01N23/2251
Filed: 2022-02-25
Abstract: To provide a material structure identification method capable of identifying a plurality of kinds of structures with high accuracy in a structure observation image including the material structures.SOLUTION: A material structure identification method executes a first model creation step for creating a first model by machine learning with data of specifying an area occupied by an object structure as first teacher data in a structure observation image, a second model creation step for creating a second model by machine learning with data of specifying a boundary of dividing the object structure as second teacher data in the structure observation image, a first identification step for applying the first model to the structure observation image to identify an area occupied by the object structure, a second identification step for applying the second model to the structure observation image being the same as an object of the first identification step to identify the boundary, and an information integration step for integrating an identification result obtained in the first identification step and an identification result obtained in the second identification step to identify the area occupied by the object structure in the structure observation image.SELECTED DRAWING: Figure 2
Patent JP-2023126034-A (JP)
Title: Illuminating device and display panel
Inventor: MASAJI YOSHINORI
IPC: F21S2/00
Filed: 2022-02-28
Abstract: To provide a technique that can make an illuminating device emit light to display a clear sign.SOLUTION: A display panel 3 of an illuminating device 1 has a layered structure comprising a transparent base layer 30, a decoration layer 33 comprising a general decoration part 33g and a display decoration part 33d, and a shield layer 35 comprising a general shield part 35g and a display shield part 35d. Out of them, a shield outer edge part 35e that is at least a portion of an outer edge of the display shield part 35d is located outside a pair of decoration outer edge parts 33e in a radial direction.SELECTED DRAWING: Figure 5
Patent JP-2023127934-A (JP)
Title: Double-face designed socks or lower body clothing
Inventor: KAKUDO YASUYUKI
IPC: A41B11/00
Filed: 2022-03-02
Abstract: To provide tights which are made of cotton that is gentle to a skin side, have smart appearances without becoming bulky, and are resistant to pilling and stuffiness.SOLUTION: In a knitted fabric of a side opposite to the skin (outside) in a double knitting structure (double-face design) for forming tights, stitches are knitted only by woolly nylon yarns. In the knitted fabric on the skin side in the knitted fabric of the double knitting structure, the stitches are alternately knitted by cotton yarns and support yarns. The wooly nylon yarns and the cotton yarns are plating-knitted, and the knitted fabric of the double knitting structure is formed. The tights are formed by using the knitted fabric of the double knitting structure.SELECTED DRAWING: Figure 2
Patent JP-2023128268-A (JP)
Title: Information processing device, information processing method, image generation device, image generation method, and program
Inventor: YONEDA KEIGO
IPC: G06T19/00
Filed: 2022-03-03
Abstract: To output data capable of generating a high-quality virtual viewpoint image, while suppressing a data amount.SOLUTION: An information processing device acquires virtual viewpoint information for specifying a position of a specified virtual viewpoint and a line-of-sight direction from the virtual viewpoint, generates color information for an element constituting three-dimensional shape data for specifying a three-dimensional shape of an object on the basis of the virtual viewpoint information and a plurality of images based on the imaging of a plurality of imaging apparatuses, and outputs the three-dimensional shape data and the color information.SELECTED DRAWING: Figure 2
Patent JP-2023128626-A (JP)
Title: Writing instrument with sharpener
Inventor: NAKADA YUJIRO
IPC: B43K21/08
Filed: 2022-03-04
Abstract: To push out and sharpen a lead with a simple operation.SOLUTION: A writing instrument with a sharpener includes a retractable writing instrument 1 and a lead sharpener 2. The retractable writing instrument 1 is configured to push out a lead x in a barrel 20 forward from a tip side base part 10 by an operation for rotating the barrel 20 at the rear side in one direction relative to the tip side base part 10 . The sharpener 2 has a cutting blade 91 which sharpens the lead x in a body case 70 into which the tip side base part 10 may be inserted.SELECTED DRAWING: Figure 6
Patent JP-2023129762-A (JP)
Title: Positive electrode active material, positive electrode, battery, and method of manufacturing lithium-containing compound
Inventor: YAMABAYASHI Tsutomu
IPC: H01M4/58
Filed: 2022-03-04
Abstract: To provide a positive electrode active material that can be combined with a negative electrode not containing an alkali metal.SOLUTION: A positive electrode active material is represented by the following composition formula (1): AaMbX4, and contains an alkali metal-containing compound that has a chain structure in which MX4 tetrahedrons share ridges each other are connected in a crystal structure. (In the formula (1), A is an alkali metal element, M is a transition metal element, X is at least one of S and Se, and 0<a<5 and 1<b≤2.5 are satisfied.)SELECTED DRAWING: Figure 1
Patent JP-2023130130-A (JP)
Title: MEMS chip
Inventor: SAKURAGI MASAHIRO
IPC: G01L9/00
Filed: 2022-03-07
Abstract: To provide a MEMS chip capable of suppressing transmission of strain that is generated outside.SOLUTION: A MEMS chip 1 includes: a MEMS board 10; a MEMS sensor 7 that is provided in the MEMS board 10 and detects own displacement and/or deformation as an electric signal; and a fragile part 70 that is provided around the MEMS sensor 7 in the MEMS board 10 and has stiffness weaker than that of the remaining part of the MEMS board 10.SELECTED DRAWING: Figure 1
Patent JP-2022088423-A (JP)
Title: Head-mounted display device, authentication method, and authentication program
IPC: G06F21/36
Filed: 2022-03-08
Abstract: PROBLEM TO BE SOLVED: To perform high-security authentication by use of a head-mounted display. 
     SOLUTION: An HMD including a face direction detection unit which detects a face direction of a user, and a line-of-sight detection unit which detects a line of sight of the user, changes an object to be displayed in an image display area of a display, in accordance with a result detected by the face direction detection unit. The HMD executes user authentication when the line-of-sight detection unit detects that the user looks at an authentication object which has been displayed in the image display area in accordance with user action. 
     SELECTED DRAWING: Figure 6 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023131215-A (JP)
Title: Coil alignment device and coil alignment method
Inventor: MORI AKIHITO
IPC: H02K15/085
Filed: 2022-03-09
Abstract: To provide a coil alignment device forming a desired layer number of coil alignment bodies.SOLUTION: A coil alignment device 100 comprises: a tabular first jig 50 in which a plurality of grooves 51 are formed at intervals that are set in a peripheral direction so as to individually extending radially outward; and a second jig 60 capable of contacting a segment coil 2 inserted into the first jig 50. Each groove 51 has: a housing part 51in which has a first length L1 allowing legs of the plurality of segment coils 2 to be housed arranged side by side in the radial direction and extends in the radial direction; and a guide part 51out which extends radially outward from the housing part 51in, and has a first shape so that, using, as a fulcrum, one leg inserted into the housing part 51in, the other leg can move toward the housing part 51in. The second jig 60 can move to press the segment coil 2 from the radial direction side and house the other leg in the housing part 51in.SELECTED DRAWING: Figure 10
Patent JP-2023132628-A (JP)
Title: winding device
Inventor: OKAWARA TOMOKI
IPC: H02K15/095
Filed: 2022-03-11
Abstract: To provide a winding device capable of suppressing the product quality deterioration caused by winding scratches even when the cross-sectional shape of the winding wire is changed midway and then wrapped around the wrapping target.SOLUTION: The disclosed winding device 20 supplies a winding wire from a winding reel 21 to a split core 7 and winds the same around the teeth of the split core 7. The disclosed winding device includes: a flat wire forming machine 22 that is located downstream of the winding reel 21, which changes the cross-sectional shape of a round wire, which is fed out from the winding reel 21, and which has a substantially circular cross-section, and forms a flat wire with a roughly rectangular cross-section; and a scratch detection unit 24 that is located downstream of the flat wire forming machine 22 to detect scratches on the flat wire.SELECTED DRAWING: Figure 4
Patent JP-2023134047-A (JP)
Title: Grinding device
Inventor: YAMAMOTO KEISUKE
IPC: B24B49/04
Filed: 2022-03-14
Abstract: To provide a grinding device that is able to adjust a grinding condition for a workpiece so as to appropriately cause self-sharpening of a grinding wheel without providing an additional component.SOLUTION: A grinding device is configured so that at least one of the consumption rate of a workpiece and the consumption rate of a grinding wheel is informed. In this case, an operator of the grinding device can adjust a grinding condition for the workpiece with reference to at least one of the wear rate of the workpiece and the wear rate of the grinding wheel. Therefore, this grinding device is able to adjust the grinding condition for the workpiece so that self-sharpening of the grinding wheel is appropriately caused without providing an additional component.SELECTED DRAWING: Figure 1