baber/WOPTO huggingface dataset:
Patent JP-2023132040-A (JP)
Title: fuel cell system
Inventor: KATO KOICHI
IPC: H01M8/04746
Filed: 2022-03-10
Abstract: To sufficiently drain droplets inside a fuel cell stack to ensure power generation efficiency.SOLUTION: A control device (22) performs switching between first injection control that injects fuel gas by alternately setting the timing at which at least one of a plurality of injectors (56, 58) injects when it is determined that a power generation state of a fuel cell stack (12) is stable on the basis of the detected power generation state, and second injection control that intermittently sets the timing at which the plurality of injectors (56, 58) perform injection at the same time to inject the fuel gas when it is determined that the power generation state of the fuel cell stack (12) is not stable on the basis of the detected power generation state.SELECTED DRAWING: Figure 1
Patent JP-2022078267-A (JP)
Title: Information transmission method, terminal device, and network device
IPC: H04W72/04
Filed: 2022-03-11
Abstract: PROBLEM TO BE SOLVED: To provide an information transmission method and a network device that efficiently multiplex synchronization signals, broadcast channels, and downlink control channels, reduce control signaling overhead and terminal complexity, and improve resource utilization and communication system flexibility. 
     SOLUTION: In an information transmission method, a terminal device receives a first synchronization signal block and a first physical downlink control channel transmitted from a network device in a first time slot or a first mini time slot. The first time slot or the first mini time slot contains N symbols, and the first synchronization signal block occupies M consecutive symbols in the first time slot or the first mini time slot. The first synchronization signal block contains a synchronization signal and a physical broadcast channel. Both M and N are positive integers, and M≤N is satisfied. 
     SELECTED DRAWING: Figure 2 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023134147-A (JP)
Title: Recycled yarn manufacturing method
Inventor: SUGIMOTO KOJI
IPC: D02G3/04
Filed: 2022-03-14
Abstract: To provide a recycled yarn manufacturing method capable of easily sorting rags by color and manufacturing a recycled yarn having a deep color tone and a unique material feeling by effectively using colors of the rags that are hard to be sorted by raw material.SOLUTION: A recycled yarn manufacturing method has following steps: (1) a step 1 to sort collected waste fiber products by color sorting method; (2) a step 2 to manufacture a waste fiber cotton by cutting the sorted waste fiber products and reclaiming wool; (3) a step 3 to manufacture a mixed cotton by mixing the waste fiber cotton with a virgin cotton; and (4) a step 4 to manufacture a recycled yarn by spinning the mixed cotton. The color sorting method uses color circle of Munsell color system.SELECTED DRAWING: None
Patent JP-2023137297-A (JP)
Title: electric car
Inventor: KURIHARA FUMIYOSHI
IPC: H02J7/00
Filed: 2022-03-18
Abstract: To properly address interruption of charging by operation of a switch of a cable device for connecting a charging device for charging an on-vehicle power storage device and an external power source.SOLUTION: An electric car includes a control device that controls a charging device when charging a power storage device with power from an external power source, and that calculates a remaining charging time required to fully charge the power storage device on the basis of supply power supplied from the external power source. When the control device receives a connection signal of a connection cancel state by operation of a connection switch during charging the power storage device by using power from the external power source with the charging device being connected to the external power source via a cable device, if connection between a vehicle-side connector and a cable-side connector is detected, the control device calculates the remaining charging time while holding the supply power prior to the reception of the connection signal of the connection cancel state.SELECTED DRAWING: Figure 3
Patent JP-2022151795-A (JP)
Title: Information presentation system, information presentation method, and information presentation program
Inventor: SUGIHARA AKIO
IPC: G06Q50/10
Filed: 2022-03-23
Abstract: To provide an information presentation system configured to prevent loss of opportunities of users to visit stores while decentralizing the users who visit the facility including multiple stores, an information presentation method, and an information presentation program.SOLUTION: An information presentation system includes: a calculation processing unit which calculates a degree of congestion of each of stores included in a facility; a determination processing unit which determines whether the degree of congestion calculated by the calculation processing unit is equal to or higher than a threshold; an extraction processing unit which extracts, when a degree of congestion of a first store calculated by the calculation processing unit is equal to or higher than the threshold, a second store whose degree of congestion is lower than the threshold and which is different in type of commodities dealt from the first store, from among the above stores; and a presentation processing unit which presents specification information on the second store extracted by the extraction processing unit to a user.SELECTED DRAWING: Figure 3
Patent JP-2023141974-A (JP)
Title: liquid discharge head
Inventor: YAMAZAKI TAKURO
IPC: B41J2/14
Filed: 2022-03-24
Abstract: To prevent liquid droplet discharge of the other nozzles communicating via common flow path from being affected due to pressure fluctuation by liquid droplet discharge in a liquid discharge head in which the plurality of nozzles communicates each other via the common flow path.SOLUTION: A liquid discharge head includes: a plurality of nozzles arrayed along a first direction of a discharge surface; a plurality of pressure chambers communicating each of the nozzles and provided with an actuator that gives to liquid a pressure force for discharging liquid from the nozzles; a plurality of individual flow paths communicating each of the pressure chambers; a common flow path communicating with each of the individual flow paths via individual openings and extending in the first direction; and a damper mechanism arranged so as to face the common flow path in a direction crossing the discharge surface for absorbing pressure fluctuation of the liquid of the common flow path. The common flow path is provided with a barrier wall arranged between the individual openings that are adjacent in the first direction and extending in a direction crossing the discharge surface.SELECTED DRAWING: Figure 5
Patent JP-2023143276-A (JP)
Title: Surface shape measuring device and surface shape measuring method
Inventor: HAYASHI KYOHEI
IPC: G01B11/24
Filed: 2022-03-25
Abstract: To provide a surface shape measuring device and a surface shape measuring method capable of reducing an error due to an effect caused by vibration during measurement.SOLUTION: A surface shape measuring device for measuring the surface shape of a measurement object comprises: a first imaging system for imaging the measurement object at every predetermined imaging interval while scanning relatively in the vertical direction to the measurement object; a second imaging system which is a separate from the first imaging system and images the measurement object or the support of the measurement object in synchronization with the first imaging system; a calculation unit for calculating the surface shape of the measurement object based on a plurality of first images taken by the first imaging system; a storage unit for storing coordinate system conversion information for converting a second coordinate system of the second imaging system to a first coordinate system of the first imaging system; and a displacement detection unit for detecting a displacement of the measurement object during imaging of the first imaging system based on a plurality of second images taken by the second imaging system, and a correction unit for correcting a surface shape calculated by the calculation unit based on a detection result of a displacement detected by a displacement detection unit and coordinate system conversion information.SELECTED DRAWING: Figure 4
Patent JP-2022160373-A (JP)
Title: Method and large turbocharged two-stroke internal combustion engine for delivering mechanical energy and pressurized gas
Inventor: HERBERT SCHMUTTERMAIR
IPC: F02B37/16
Filed: 2022-03-29
Abstract: To provide a large turbocharged two-stroke uniflow internal combustion engine configured to supply pressurized scavenging gas and/or pressurized exhaust gas to a pressurized gas-consuming apparatus, which maximizes the scavenging pressure and/or bypassed scavenging gas mass flow.SOLUTION: The invention provides a controller configured to apply various adjustment approaches for increasing pressure available in an engine in order to supply gas to a pressurized gas-consuming apparatus, thereby making it possible to maximize the amount of pressurized gas provided by the engine to the pressurized gas-consuming apparatus without the risk of operating the engine under suboptimal conditions.SELECTED DRAWING: Figure 4
Patent JP-2023146259-A (JP)
Title: Position measurement device
Inventor: MANABE MITSUO
IPC: G01D5/347
Filed: 2022-03-29
Abstract: To highly accurately measure a positional relation between a position measurement device and a scale.SOLUTION: A row selection unit 40 selects any of a plurality of pixel rows in an image sensor 18. A row selection reading unit 42 sequentially reads a pixel value in the row direction from a plurality of pixels that belong to the pixel row selected by the row selection unit 40. A control unit obtains a detection position of a marker pair provided in a scale on the basis of the pixel value read by the row selection reading unit 42. The row selection unit 40 executes upper selection processing for selecting the pixel row corresponding to an upper portion of the marker pair in the plurality of pixel rows and lower selection processing of selecting the pixel row corresponding to a lower portion. The control unit obtains the detection position on the basis of a zero-cross point of the detection signal obtained by combining the pixel value read from the pixel row selected by the upper selection processing and the pixel value read from the pixel row selected by the lower selection processing.SELECTED DRAWING: Figure 3
Patent JP-2023146671-A (JP)
Title: Printer, printer controlling method, and program
Inventor: SAITO YUJI
IPC: B41J29/38
Filed: 2022-03-29
Abstract: To properly adjust a prescribed communication radio wave to be output from an antenna of a communication unit.SOLUTION: A controller of a printer executes radio wave adjustment processing for increasing at least one of an output of a prescribed communication radio wave and a duty ratio of a prescribed communication radio wave, in a subsequent radio wave output cycle following a radio wave output cycle in which a wireless tag was not activated, compared with the radio wave output cycle in which the wireless tag was not activated.SELECTED DRAWING: Figure 6
Patent JP-2022091901-A (JP)
Title: Method and device for projecting color image
IPC: H04N5/74
Filed: 2022-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a method for projecting a color image. 
     SOLUTION: An image display apparatus and methods may use a single imaging element such as a digital mirror device (DMD) to spatially modulate plural color channels. A color channel may include a light steering element such as a phase modulator. Steered light from a light steering element may be combined with or replaced by additional light to better display bright images. These technologies may be provided together or applied individually. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023147457-A (JP)
Title: automatic warehouse system
Inventor: FURUTA TAKASHI
IPC: B65G1/04
Filed: 2022-03-30
Abstract: To provide an automatic warehouse system dispensing with a passage for movement of a transportation carriage or the like and saved in space, allowing arrangement of many storing parts in a small space, with simple devices, a short construction period and inexpensive introduction cost, and suited to small scale introduction.SOLUTION: An automatic warehouse system 1 comprises: a storing container arrangement space S for arranging multiple storing containers H in a row direction X and a vertical direction Y; a row direction transportation part 2 provided above the storing container arrangement space S and capable of reciprocally moving in the row direction X and capable of transporting the storing containers H in the row direction; and a movable frame 4 having an elevation part 3 for elevating the storing containers H and reciprocally movable in the row direction X.SELECTED DRAWING: Figure 1
Patent JP-2023148832-A (JP)
Title: Belt for electrophotography and electrophotographic image forming apparatus
Inventor: HOSOKU SUKETSUGU
IPC: G03G15/16
Filed: 2022-03-30
Abstract: To provide a belt for electrophotography that continuously has excellent toner cleaning characteristics even in image formation in a high-speed area.SOLUTION: A belt for electrophotography with an endless belt shape has a base layer and a surface layer provided on the base layer. The surface layer includes a (meth)acrylic resin and has holes having openings in an outer surface of the surface layer. When an area having a length of 10 μm in a circumferential direction of the belt for electrophotography and a width equal to the full width of the belt for electrophotography is set in an arbitrary position on the outer surface of the surface layer, at least one opening is present in the area which communicates, inside the surface layer, with an opening present outside the area.SELECTED DRAWING: Figure 1
Patent JP-2023149029-A (JP)
Title: Heat source machine system and method for operating heat source machine system
Inventor: HONDO MASAKI
IPC: H01M8/04
Filed: 2022-03-30
Abstract: To easily and efficiently utilize the mixed gas mainly composed of hydrocarbon and hydrogen.SOLUTION: A heat-source machine system 10A includes: a fuel-cell cell stack 20 in which the mixture gas containing the mixed gas mainly composed of hydrocarbon and hydrogen is supplied from a gas conduit G to a fuel electrode 20A without being reformed; and a heat source machine 30 having a burner 32 which burns the fuel electrode off-gas discharged from the fuel electrode 20A of the fuel-cell cell stack 20, and a heat exchanger 34 which performs the heat exchange between the combustion heat by the burner 32 and the fluid to be heated.SELECTED DRAWING: Figure 1
Patent JP-2023149656-A (JP)
Title: Tire vulcanization method and tire vulcanization device
Inventor: YAMAMOTO KENTA
IPC: B29C33/02
Filed: 2022-03-31
Abstract: To provide a tire vulcanization method and a tire vulcanization device that make it possible to significantly shorten mold changeover work time when using a temperature sensor for monitoring variations in temperature conditions during vulcanization.SOLUTION: In a method of vulcanizing an unvulcanized tire 1 with the tire 1 inserted into a mold 10 by using a tire vulcanization device equipped with a mold 10 including a side plate 11 for molding a tire sidewall part and a sector 15 for molding a tire tread part, a segment 75 for holding the sector 15, and a slide member 77 disposed below the segment 75, a temperature of the slide member 77 is measured by a temperature sensor 80, and the temperature of the slide member 77 is used as monitoring information.SELECTED DRAWING: Figure 1
Patent JP-2023151946-A (JP)
Title: Aerosol hair growth agent with high antipruritic effect that stays locally without dripping
Inventor: UENO YASUHIRO
IPC: A61K8/34
Filed: 2022-04-01
Abstract: To provide "non-drip" aerosol hair growth agent that contains a sufficient amount of an antipruritic ingredient (menthol) and a cooling ingredient (dimethyl ether).SOLUTION: Provided is an aerosol hair growth agent consisting of a drug stock solution containing the following ingredients (A) to (D): (A) 10 to 35 mass% of ethanol; (B) 0.6 to 1 mass% of menthol; (C) 0.05 to 1 mass% of water-soluble polymer; and (D) water, and (E) liquefied gas as a propellant, the mass ratio of the drug stock solution to the propellant being 70:30 to 40:60, the water-soluble polymer having a blending amount of ethanol as component (A) of 30 mass% and being one or more types selected from alkyl-modified carboxyvinyl polymer, hydroxypropyl methylcellulose, and hydrophobized hydroxypropyl methylcellulose, which do not cause deposition and precipitation even if 0.1 mass% or more is added to the aerosol hair growth agent, when the mass ratio of the drug stock solution to the propellant is 50:50.SELECTED DRAWING: None
Patent JP-2023106277-A (JP)
Title: solar garden light stick
Inventor: EDWARD I MISHAN
IPC: F21S9/03
Filed: 2022-04-04
Abstract: To provide a solar light stick for use in a lawn or garden.SOLUTION: A solar light stick 10 for use in illuminating and decorating a lawn, garden or pathway. The solar light stick 10 includes a supporting stake 12, a solar panel 34, a rechargeable battery, at least one LED, and a tube body 22. The tube body 22 contains a transparent or translucent light transmissive material. The solar panel 34 charges the rechargeable battery which, in turn, provides power to the LEDs. The LEDs are positioned to provide light to the interior of the tube body 22. The LEDs may be located within a recess in the tube body 22. Reflective flakes dispersed within the tube body 22 reflect and decoratively disperse light from the LEDs.SELECTED DRAWING: Figure 1
Patent JP-2022160380-A (JP)
Title: Staircase structure and tread fixing hardware
Inventor: HAYAKAWA HIDEAKI
IPC: E04F11/022
Filed: 2022-04-04
Abstract: To achieve that in a cantilevered staircase, the upper and lower treads are supported by tread fixing hardware, and each tread is fixed to the wall surface by two pieces of tread fixing hardware, thereby reducing the load on the tread fixing hardware and improving the structure.SOLUTION: There is provided a staircase structure 40 in which a butt end surface 23 of a tread 20 is fixed to a wall surface 35 and goes straight. A lower end portion 7 of a tread fixing hardware 15A is fixed to the wall surface 35, an intermediate portion 6 of the tread fixing hardware 15A is fixed to a riser surface 26 of a target tread 20A, and an upper end portion 5 of the tread fixing hardware 15A is fixed to the upper tread 20 of the target tread 20A. The lower end portion 7 of an other tread fixing hardware 15 located below the tread fixing hardware 15A is fixed to the wall surface 35. The intermediate portion 6 of the tread fixing metal fitting 15 is fixed to the tread 20 positioned below, and the upper end portion 5 of the tread fixing metal fitting 15 is fixed to a lower surface 22 of the target tread 20A.SELECTED DRAWING: Figure 2
Patent JP-2022093364-A (JP)
Title: Devices and methods for treating vascular insufficiency
IPC: A61F2/24
Filed: 2022-04-05
Abstract: PROBLEM TO BE SOLVED: To improve devices and methods for treating heart valve insufficiency. 
     SOLUTION: Embodiments of a leaflet clip device and a method for reducing regurgitation through a native heart valve are disclosed. The leaflet clip device can include an elongated clipping member having a first end portion and a second end portion, and a tensioning mechanism coupled to the clipping member. The leaflet clip device can further include one or more tensioning members disposed within a lumen of the clipping member, where the one or more tensioning members are operatively connected to the tensioning mechanism to transform the clipping member from a delivery configuration to an implantation configuration. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023157704-A (JP)
Title: Conveyance system
Inventor: NODA AKIHIRO
IPC: B65G1/137
Filed: 2022-04-15
Abstract: To provide a conveyance system that can automatically place a child pallet, on which cargo is loaded and which may be dirty and brought in from outside, on a parent pallet in a clean condition to form a parent-child pallet.SOLUTION: A conveyance system 1, 100, 200 includes: a parent pallet storage device 12, 46, "a plurality of pallet conveyor devices" (6, 14, 24, 30, 32, 38, unmanned vehicle V, and such) configured to convey a parent pallet PLa and child pallets PLb and/or to load the child pallets PLb onto the parent pallet PLa; and a controller 18, 26, 50, the controller being configured to cause the "pallet conveyance devices" to separately convey the child pallet PLb and the empty parent pallet PLa, and to place the child pallet PLb on the conveyed empty parent pallet PLa.SELECTED DRAWING: Figure 1
Patent JP-2023157719-A (JP)
Title: Substrate transport device, film deposition device, and method of measurement
Inventor: NAKAMURA SATOSHI
IPC: C23C14/50
Filed: 2022-04-15
Abstract: To provide a technology that can detect irregularity generated in a transportation object.SOLUTION: A substrate transport device includes: a transport roller array for supporting a support surface of a transport body to which a substrate is held and transporting the transport body; and measurement means for measuring a change in height of the support surface of the transport body that is transported by the transport roller array.SELECTED DRAWING: Figure 4
Patent JP-2023158519-A (JP)
Title: Production method of purified polytetrafluoroethylene powder and low molecular weight polytetrafluoroethylene powder
Inventor: IGUCHI CHISATO
IPC: C08F14/26
Filed: 2022-04-18
Abstract: To provide a production method of purified polytetrafluoroethylene powder, in which short chain fluorine compounds from low molecular weight polytetrafluoroethylene are reduced.SOLUTION: A production method of purified polytetrafluoroethylene powder includes a step to reduce short chain fluorine compounds from low molecular weight polytetrafluoroethylene powder obtained by radical polymerization. In the step, at least compounds represented by the general formula (1) are reduced to 179 ppb or less, and compounds represented by the general formula (2) are reduced to 6,900 ppb or less. General formula (1): (H-(CF2)m-COO)pM1 (in formula, m is 3-20, M1 is H, a metal atom, or NR54 (each R5 may be H or a 1-10C organic group identical to or different from each other) being an imidazolium, a pyridinium, or a phosphonium each of which may have a substituent, and p is 1 or 2). General formula (2): (H-(CF2)n-SO3)qM2 (in formula, n is 4-21, M2 is H, a metal atom, or NR54 (R5 is the same as written above) being the imidazolium, the pyridinium, or the phosphonium each of which may have a substituent, and q is 1 or 2).SELECTED DRAWING: None
Patent JP-2023158883-A (JP)
Title: Hair dyeing container
Inventor: UEMURA TOMOKI
IPC: A45D19/02
Filed: 2022-04-19
Abstract: To provide a hair dyeing container in which a cartridge can be replaced easily and a waste at the time of cartridge replacement can be minimized.SOLUTION: In a hair dyeing container, a grip part 11 and a holding part 13 that fixes a pedestal 14 holding a hair dyeing material 15 are integrally formed. The holding part 13 includes a fixation rib that can be opened in a radial direction by a slit 13b provided along an axial direction and fixes the pedestal 14 to an inner wall part so as to be attachable to and detachable from the inner wall part.SELECTED DRAWING: Figure 2