baber/WOPTO huggingface dataset:
Patent JP-2023041556-A (JP)
Title: Friction stir welding method for electromagnetic steel strip, and method for manufacturing electromagnetic steel strip
Inventor: MATSUSHITA MUNEO
IPC: B23K20/12
Filed: 2021-09-13
Abstract: To provide a friction stir welding method for an electromagnetic steel strip, the method making it possible to inhibit fracturing of a coil weld part, in a manufacturing line, caused by degradation in shape or degradation of mechanical characteristics of the coil weld part.SOLUTION: The diameter D (mm) of a shoulder part of a rotary tool satisfies the relationship of expression (1), 4×TJ≤D≤10×TJ. In addition, RS×D3/JS, which is represented by the number of rotations RS (times/minute) of the rotary tool, the diameter D (mm) of the shoulder part of the rotary tool, and the welding speed JS (mm/minute), satisfies the relationship of expression (2), 200×TJ≤RS×D3/JS≤2000×TJ.SELECTED DRAWING: Figure 1A
Patent JP-2023043507-A (JP)
Title: filter unit
Inventor: SHIBAGAKI KAZUHIRO
IPC: F24F8/15
Filed: 2021-09-16
Abstract: To provide a filter unit that enables a user to easily determine a replacement time.SOLUTION: There is provided a filter unit that captures dust in the air. The filter unit includes a filter body, and a dust attachment part which is attached to a part of a surface at an upstream side of air flow in the filter body and to which the dust is attached. The dust attachment part includes, for example, an adhesive layer to which dust is attached. The dust attachment part is attached to the filter body by an adhesive and is separable from the filter body.SELECTED DRAWING: Figure 2
Patent JP-2023044134-A (JP)
Title: Image projection device, image projection method, and program
Inventor: ODA KIYOSHI
IPC: G03B21/00
Filed: 2021-09-17
Abstract: To provide an image projection device which reduces loss of light source energy.SOLUTION: An image projection device 10 provided herein comprises a light source drive unit 17 configured to control a light source unit 18 to emit light of a second color different from a first color according to a first light emission signal for emitting light of the first color.SELECTED DRAWING: Figure 1
Patent JP-2023044262-A (JP)
Title: Chair
Inventor: MURAKAMI SHOTA
IPC: A47C7/14
Filed: 2021-09-17
Abstract: To provide a chair such that a seat body can suitably move forward and back relative to a seat receiver.SOLUTION: A chair is provided with, at a plurality of sites, regulation mechanisms V for restricting a movement range of a seat body in an anterior-posterior direction. Each of the regulation mechanisms V includes a slip-out preventive projection W that is provided at a seat receiver c1, and a guide part J that is provided at a support member c21 of the seat body and extends in the anterior-posterior direction, with which the slip-out preventive projection W can engage so as to allow relative movement and to disallow separation. The guide part J has a peripheral part j2 including a convex part j22, with the convex part j22 capable of slide-contacting with a slip-out preventive part w2 of the slip-out preventive projection W.SELECTED DRAWING: Figure 34
Patent JP-2022008477-A (JP)
Title: Component for watch and watch
IPC: A44C5/00
Filed: 2021-09-22
Abstract: PROBLEM TO BE SOLVED: To provide a component for a watch that has an excellent appearance even if it does not use precious metal as a main material, and a watch including the component for a watch. 
     SOLUTION: A component for a watch of the present invention comprises: a metal luster part that has a first area formed of a nitride or a carbide of Ti, a nitride or a carbide of Cr, or a first material including a metal material, a film-like second area formed of a nitride or a carbide of Ti, a nitride or a carbide of Cr, or a second material including a metal material, and a film-like third area provided between the first area and the second area and formed of a material having light transmissivity, and exhibits metal luster; and a toning film that is provided to face the second area of the metal luster part, is formed of a multilayer film of metal oxide, and has a function to adjust a color tone. 
     SELECTED DRAWING: None 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2021193465-A (JP)
Title: Fiber for sound absorption/insulation materia, use of the fiber, and fiber molded body for sound absorption/insulation material
Inventor: INAGAKI TATSUHIKO
IPC: G10K11/162
Filed: 2021-09-22
Abstract: To provide a fiber molded body for a sound absorption/insulation material that uses fiber suitable to sound absorption effect on a sound of 1,000 Hz or lower.SOLUTION: A fiber molded body of 30 mm in thickness and 1,200 g/m2 in basis weight is obtained by: mixing 70 mass% of fiber for a sound absorption/insulation material which is 0.01-0.5 dtex in monofilament fineness and 20-60 mn in monofilament fiber length, and 30 mass% of polyester molten fiber which is 2.2 dtex in monofilament fineness and 110°C in fusion point; heating the mixture at 170°C for 20 minutes; and cooling the mixture.SELECTED DRAWING: Figure 1
Patent JP-2023046431-A (JP)
Title: Oil supply device
Inventor: HIRANO YURI
IPC: F02M37/00
Filed: 2021-09-24
Abstract: To provide an oil supply device capable of suppressing reduction of oil supply property and breakage, and having a bleeding hole on a flow guide of a capless oil supply device.SOLUTION: An oil supply device comprises: an outer cover 30 having a first flap 32 for opening/closing an oil supply port 31 into which an oil supply nozzle 90 is inserted; a filler pipe 70 guiding fuel to the fuel tank 60; a passage formation member 40 which is provided between the filler pipe 70 and the outer cover 30, and has a second flap 43 for opening/closing a passage of the fuel by insertion of the oil supply nozzle; a flow guide 50 which is provided between the passage formation member and an internal side of the filler pipe, and guides the fuel fed to the filler pipe. The flow guide comprises: a bleeding hole 53 for releasing air in the fuel tank to outside; and a first rib 54 which is formed along a center axis, in an inner wall of the flow guide, in assembly of the flow guide, at least a part of the bleeding hole is provided at a position above the first rib, in a direction being orthogonal to the center axis of the flow guide.SELECTED DRAWING: Figure 9
Patent JP-2023046500-A (JP)
Title: Welding robot system
Inventor: NAKAGAWA SHINICHIRO
IPC: B25J9/22
Filed: 2021-09-24
Abstract: To provide a welding robot system that can grasp a position where an installed welding robot can appropriately weld an object, in a welding position.SOLUTION: A welding robot system 100 comprises: an image obtaining part 110 that obtains an image including an object to be welded and a welding robot; a position recognizing part 120 that recognizes a robot position of the welding robot and a welding position, on the basis of the image; and a welding-possible position determining part 140 that determines a position where the welding robot can weld the object, in the welding position, on the basis of the installation position of the robot and the welding position and at least a movable range of an arm of the welding robot.SELECTED DRAWING: Figure 1
Patent JP-2023047148-A (JP)
Title: Reactor, converter, and power conversion device
Inventor: Murashita Masaya
IPC: H01F37/00
Filed: 2021-09-24
Abstract: To provide a reactor which improves filling property of a mold resin into a gap part in a resin core and improves inductance.SOLUTION: The present invention relates to a reactor comprising: a coil including a winding part; a magnetic core including an E-shaped first core part, a T-shaped or E-shaped second core part and a gap part; and a mold resin part. The first core part is a molded body of a composite material including a first middle core part. The second core part is a power-compressed molded body including a second middle core part. The gap part is disposed between an end face of the first middle core part and an end face of the second middle core part inside of the winding part. The end face of the first middle core part includes an annular outer end face, a peripheral surface and an inner end face. The end face of the second middle core part, the outer end face and the inner end face are flat surfaces. A ratio of an area of the inner end face with respect to an area of the outer end face is 0.30 or more and 1.35 or less. The mold resin part includes a portion provided between the outer end face and the end face of the second middle core part.SELECTED DRAWING: Figure 6
Patent JP-2023047535-A (JP)
Title: Working plan assistance device and working plan assistance method
Inventor: TAKAMATSU NOBUHIRO
IPC: G06T19/00
Filed: 2021-09-27
Abstract: To provide a device or the like which can enhance estimation accuracy of the possibility of interference between an external structure and an attachment of a working machine.SOLUTION: In a three-dimensional virtual space, a crane M (working machine) and a building Q (external structure) are modeled, and a spatial occupation mode is defined in the three-dimensional space. In addition, in the three-dimensional virtual space, along an attachment M1 and/or an upper turning body that can be turned with respect to a lower traveling body of a base M0 of the crane M, a designated plane group is defined which is composed of a plurality of designated planes P1 and P2 that are separated from each other. One designated plane group is defined according to an extension mode of the upper turning body at one point in time. In addition, a secondary working plan assistance image is output on a terminal output interface 22, the image showing each occupation mode of the crane M and the building Q in the designated planes P1, P2 that constitute the designated plane group.SELECTED DRAWING: Figure 5
Patent JP-2023047716-A (JP)
Title: Machine component
Inventor: MIZUTA KOHEI
IPC: C22C38/00
Filed: 2021-09-27
Abstract: To provide a machine component capable of suppressing a secular change of a dimension and improving an indentation start point type rolling fatigue service life on a surface thereof.SOLUTION: A machine component is made of steel and has a surface. The steel has been quenched and annealed. The machine component includes a nitriding layer located on the surface and a core part of which distance from the surface is larger than that of the nitriding layer. A nitrogen concentration in the steel on the surface is 0.3 mass% or more. Hardness of the steel on the surface is 850 Hv or more. Retained austenite amount in the steel in the core part is 9 vol.% or less. Dislocation density of the retained austenite in the steel in the core part is 4.0×1014 m-2 or more. The steel is high carbon steel or bearing steel.SELECTED DRAWING: Figure 1
Patent JP-2023049437-A (JP)
Title: internal combustion engine
Inventor: OMORI KOHEI
IPC: F01M13/04
Filed: 2021-09-29
Abstract: To inhibit oil taken into a scavenging pump and oil discharged from a reed valve from being affected by each other in an internal combustion engine having a crank chamber.SOLUTION: An internal combustion engine includes: scavenging pumps 51L, 51R each mounted to a lower part of a crank case 20; and an oil pan 40 forming an oil storage space 41 below the crank case 20. Each of pump housings 52L, 52R of the scavenging pumps 51L, 51R includes: a suction port 71 opened in the crank case 20; and a communication part 92 provided on a front lower wall 71a of the suction port 71. A reed valve 90 regulating flowing of engine oil is disposed on a first opening 92a on an oil storage space 41 side of the communication part 92. A second opening 92b on the crank case 20 inner side of the communication part 92 is disposed at a position higher than a pump rotor 57 of the scavenging pumps 51L, 51R.SELECTED DRAWING: Figure 10
Patent JP-2023049704-A (JP)
Title: power storage device
Inventor: KAWASAKI HIRONORI
IPC: H01M50/342
Filed: 2021-09-29
Abstract: To provide a power storage device capable of preventing deformation and spread of fire of a smoke exhaust duct due to high-temperature or high-pressure gas discharged from a battery cell.SOLUTION: A power storage device includes a plurality of battery cells having safety valves for discharging gas, and a smoke exhaust duct having a gas exhaust port for exhausting gas from the plurality of battery cells, and a flame-resistant fiber layer containing organic fibers having an LOI value of 30 to 80 is provided in at least a portion of the smoke exhaust duct.SELECTED DRAWING: Figure 2
Patent JP-2023054484-A (JP)
Title: end mill
Inventor: SHIBATA SHOHEI
IPC: B23C5/10
Filed: 2021-10-04
Abstract: To provide an end mill that can reduce surface roughness of a material to be ground subjected to processing and secure perpendicularity of a processed surface of the material, although the material is hard to ground such as a stainless steel.SOLUTION: An end mill 100 comprises a plurality of end cutting edges 1-4, a plurality of outer peripheral cutting edges 11-14 formed consecutively in a longitudinal direction, and a plurality of twisted grooves 21-24 arranged adjacently to the end cutting edges 1-4 and the outer peripheral cutting edges 11-14, where angles α1 and α2 formed by the plurality of end cutting edges 1-4 are different from each other, and twist angles β1 and β2 of the plurality of outer peripheral cutting edges 11-14 are different from each other. Lengths L0 which are lengths of the outer peripheral cutting edges 11-14 in the longitudinal direction are more than three times of outer diameters D1 thereof. Clearance angles θ1 of 0.1°-3.0°are formed in the outer peripheral cutting edges 11-14 with widths of 10-100 μm, and differences between the angles β1 and β2 which are different from each other of the plurality of outer peripheral cutting edges 11-14 are set to be in a range of 1°or more and 3°or less.SELECTED DRAWING: Figure 2
Patent JP-2023054858-A (JP)
Title: Laminate and structure
Inventor: ONO TATSUNORI
IPC: B32B27/00
Filed: 2021-10-05
Abstract: To provide a laminate and a structure, which can be easily handled by the lamination of a reinforcing layer onto a film having satisfactory strength and elongation regardless of a resin material, while suppressing labor and cost at the time of manufacture.SOLUTION: The laminate includes a film and a reinforcing layer which is laminated on at least one surface of the film, in which the film and the reinforcing layer are formed of a resin material. The film has an uneven structure in which a front surface and a rear surface correspond to each other in a cross-sectional shape at least in a predetermined direction; and the uneven structure has a periodic structure in which at least one uneven structure is repeated along the predetermined direction. A peel strength at the time when the reinforcing layer is peeled from the film is 0.01 N or larger and 0.4 N or smaller.SELECTED DRAWING: Figure 7
Patent JP-2022008938-A (JP)
Title: Method, system and device to control movement of transportation device
IPC: B65G1/04
Filed: 2021-10-07
Abstract: PROBLEM TO BE SOLVED: To provide a system makes storage and retrieval of a large number of different products possible in commercial and industrial activities. 
     SOLUTION: A system transports multiple objects, controls the movement of one or more transport devices operating in equipment with multiple routes and includes one or more computers 100 that are configured to execute computer instructions, and when the computer instructions are executed, one or more utilities that determine and reserve routes for moving one or more transport devices through multiple routes, and one or more utilities that provide a clearance system that allows or stops the movement of one or more transport devices to avoid collisions are provided. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022103047-A (JP)
Title: Die bonding method that makes contact at corners or sides where there is no impact force
Inventor: LU YEN HAO
IPC: H01L21/52
Filed: 2021-10-08
Abstract: To provide a die bonding method that makes contact at corners or sides where there is no impact force, which fixes a die to a substrate.SOLUTION: A method includes the steps of picking up a die that does not have a solder ball and a copper pillar on the surface by a die bonding device, moving the die to one side of a die placement area of a substrate that does not have a solder ball and a copper pillar on the surface, bending and deforming the corners or the sides of the die and bringing the corners and the sides of the die into contact with the die placement area by spraying positive pressure on the corners or the sides of the die, gradually removing die from the die bonding device by forming a bonding wave that expands from the corner of the die to its diagonal or side to its relative side to fix the die to the die placement area after bringing the corners or the sides of the die into contact with the die placement area, and completely fixing the die to the die placement area.SELECTED DRAWING: Figure 1
Patent JP-2023057252-A (JP)
Title: electromagnetic equipment tank
Inventor: UENO HIROKI
IPC: H01F27/02
Filed: 2021-10-11
Abstract: To provide a divisible tank for an electromagnetic device, in which the strength of the divided part is greater, and the amount of insulating oil that leaks from the inside in the event of an accident or the like can be reduced.SOLUTION: An electromagnetic equipment tank according to the present invention is divided into an upper tank 1, a lower tank 2, and an intermediate tank 3 located between the upper tank 1 and the lower tank 2, and the intermediate tank 3 includes two horizontally divided partial tanks 3a and 3b. The partial tanks 3a and 3b are joined together by an external connecting member 8, a reinforcing plate 7, and an internal connecting member 9. The external connecting member 8 is installed outside the intermediate tank 3, and is composed of a U-shaped member sandwiching the flange portions provided outside the partial tanks 3a and 3b. The reinforcing plate 7 is installed outside the intermediate tank 3 and is composed of a planar plate-like member. The internal connecting member 9 is installed inside the intermediate tank 3, and is composed of a U-shaped member that sandwiches the flange portions provided inside the partial tanks 3a and 3b.SELECTED DRAWING: Figure 1A
Patent JP-2023057955-A (JP)
Title: electronic expansion valve
Inventor: ONO AKISHI
IPC: F25B41/345
Filed: 2021-10-12
Abstract: To provide an electronic expansion valve capable of suppressing an increase in the size of the electronic expansion valve.SOLUTION: An electronic expansion valve 1 includes a valve seat 11 provided with a through-hole 11a through which cooling medium passes, and a valve element 12, the through-hole 11a of the valve seat 11 being arranged at a position offset a predetermined distance from a working center G where force works on the valve element 12 to move from a moving mechanism 13 in the direction of separating from the valve seat 11 in view from the moving direction of the valve element 12.SELECTED DRAWING: Figure 3
Patent JP-2022003604-A (JP)
Title: Semiconductor storage device
Inventor: SUDO NAOAKI
IPC: G11C5/14
Filed: 2021-10-13
Abstract: To provide a flash memory capable of automatically terminating a deep power-down mode.SOLUTION: A flash memory 100 includes a standard command I/F circuit 110 and a DPD controller 120 which are operated by an external power source voltage VCC, and internal circuits 130 to 170 which are operated by internal voltages VDD1 and VDD2 supplied from voltage supply nodes INTVDD1 and INTVDD2. The DPD controller 120 detects whether it is in a DPD mode or not when a standard command is input to the standard command I/F circuit 110. When the DPD mode is detected, the DPD controller recovers the internal circuits from the DPD mode. After the recovery of the internal circuits, the standard command is executed.SELECTED DRAWING: Figure 3
Patent JP-2023058106-A (JP)
Title: Hot-water supply adapter and clouding tool for bubble generator
Inventor: KOBAYASHI NOBUNARI
IPC: A47K3/00
Filed: 2021-10-13
Abstract: To provide a hot-water supply adapter capable of reliably clouding microbubble water.SOLUTION: The current invention is a hot-water supply adapter which includes an adapter body 1 that is installed in a bathtub and is provided with a bubble generator 2, and jets microbubble water in which microbubbles are mixed with hot-water from a jet port 21 of the bubble generator 2 into the bathtub. The adapter includes a clouding tool 3 which is provided in correspondence with the jet port 21 of the bubble generator 2. The clouding tool 3 is provided with a plurality of mesh sheets 61 that successively pass the microbubble water and set gaps of adjacent mesh sheets 61 to 2.0 mm to 3.0 mm, and a mesh number of the mesh sheets 61 ranges from No. 60 to No. 100.SELECTED DRAWING: Figure 3
Patent JP-2023059340-A (JP)
Title: Optical heterodyne interference measuring apparatus and optical heterodyne interference measuring method
Inventor: KATO NAOAKI
IPC: G01J9/02
Filed: 2021-10-15
Abstract: To provide an optical heterodyne interference measuring apparatus capable of reducing influence of noise.SOLUTION: An optical heterodyne interference measuring apparatus 1 includes a beam generation part 10, a beam splitter 21, a mirror 31, a first optical detector 41, a linear polarizing plate 42, a second photodetector 51, a linear polarizing plate 52, an AD conversion part 60 and a computer 70. The beam generation part 10 generates and outputs a first light beam and a second light beam where polarized lights are orthogonal to each other. The first light beam and the second light beam differ in optical frequency just for heterodyne frequency. The computer 70 sets heterodyne frequency ωh to a rational multiple value of peak frequency ωp when any peak frequency that is constant temporally in a frequency spectrum of intensity noise included in the first light beam or the second light beam outputted by the beam generation part 10 is ωp.SELECTED DRAWING: Figure 1
Patent JP-2022066177-A (JP)
Title: Device and method of filling pressurized gas tank
Inventor: ETIENNE WERLEN
IPC: F17C5/06
Filed: 2021-10-15
Abstract: To provide a device and a method for filling a pressurized gas tank.SOLUTION: The device for filling a pressurized gas tank is equipped with a gas supply source (2), a transporting circuit (3) equipped with an upstream end portion (122) connected to the gas supply source and a downstream distributing end portion (4), and a set of buffer storage tanks (6 to 8) connected to the transporting circuit in parallel between the upstream end portion and the downstream end portion through connection valves (16 to 18, and 26 to 28). A compressor has a suction inlet connected to the upstream end portion of the transporting circuit through an upstream valve (10), and is equipped with a discharge outlet connected to the butter storage tanks through a set of discharge valves (46 to 48). In the transporting circuit, balance lines (11 to 13) connecting one upstream end portion to the butter storage tanks are equipped with flow restriction members (21 to 23), and the transportation of a fluid flow from the gas supply source to the butter storage tanks is enabled by pressure balancing.SELECTED DRAWING: Figure 1
Patent JP-2022009353-A (JP)
Title: Transcutaneous analyte sensors, applicators therefor, and associated methods
IPC: A61B5/151
Filed: 2021-10-21
Abstract: PROBLEM TO BE SOLVED: To provide improved systems and methods for measuring an analyte in a host, and for applying a transcutaneous analyte measurement system to a host. 
     SOLUTION: The present embodiments relate generally to systems and methods for measuring an analyte in a host. More specifically, the present embodiments provide sensor applicators and methods of use with activation by implanting a sensor, withdrawing an insertion needle, engaging a transmitter with a housing, and disengaging an applicator from the housing. Systems and methods according to present principles allow such steps to occur without significant loss of spring force, and without deleterious effects such as seal slingshotting. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT