baber/WOPTO huggingface dataset:
Patent JP-2023137724-A (JP)
Title: Park lock mechanism
Inventor: YOON YONG-HOON
IPC: F16H63/34
Filed: 2022-03-18
Abstract: To provide a park lock mechanism in which a power transmission mechanism can be reduced in size.SOLUTION: A park lock mechanism 100 comprises: a park gear 10 rotating together with a power transmission shaft 4 of a power transmission mechanism; a park pole 30 for non-rotatably fixing the power transmission shaft at an engagement position where it is engaged with the park gear; a detent plate 50 having at least a first recess and a second recess, and changing a position of the park pole according to a rotation angle; an engagement member 60 accommodated in a breather passage 3, and engaged with either of the first recess and the second recess according to the rotation angle of the detent plate; and an energization member accommodated in the breather passage, and energizing the engagement member toward the detent plate. In a state that the engagement member is engaged with the first recess, the engagement member blocks the breather passage, and in a state that the engagement member is engaged with the second recess, the breather passage makes the inside and the outside of the case communicate with each other.SELECTED DRAWING: Figure 1
Patent JP-2023138071-A (JP)
Title: Method for producing zeolite catalyst for propylene production
Inventor: HARA MASAHIRO
IPC: B01J37/04
Filed: 2022-03-18
Abstract: To provide a method for producing a zeolite catalyst for propylene production with excellent performance, particularly a method for producing a zeolite catalyst with a high propylene selectivity.SOLUTION: A method for producing a zeolite catalyst for propylene production includes the following steps in order: preparing slurry including a zeolite by hydrothermal synthesis of a composition including a silicon source, an aluminum source and water; and bringing the zeolite in the slurry into contact with an alkaline earth metal.SELECTED DRAWING: None
Patent JP-2023139674-A (JP)
Title: Learning device, inference device, and image processing device
Inventor: ISHIZAKA SATORU
IPC: G09G5/24
Filed: 2022-03-22
Abstract: To appropriately evaluate the visibility of a plurality of characters that are displayed one on top of another in accordance with image data.SOLUTION: A learning device 100 comprises a data acquisition unit 110 and a model generation unit 120. The data acquisition unit 110 acquires, for each of the plurality of characters displayed one on top of another, training data xi by a combination of inputs 1 to 4 from image data that indicates the display contents of the characters. The model generation unit 120 generates, from the inputs 1 to 4 that are included in the training data xi, a trained model for inferring whether each character is visible discriminately from the other characters on top of which the character is displayed. The input 1 includes information pertaining to the relative positional relationship of the plurality of characters and information pertaining to the display attributes of the characters. The input 2 includes information pertaining to the display colors of the characters. The input 3 includes information pertaining to the display modes of the characters. The input 4 includes information pertaining to the display media of the characters.SELECTED DRAWING: Figure 1
Patent JP-2023140140-A (JP)
Title: Pad member and vehicle seat
Inventor: IEKAME HIROSHI
IPC: B60N2/58
Filed: 2022-03-22
Abstract: To inhibit the aesthetic quality of the appearance from being impaired by a gap around a pad member without sewing a skin material, a separate member.SOLUTION: A cushion pad member 22 includes: a pad body 26 which is formed in a block shape and supports a body of a seated occupant; and a skin material 28 which coverts the pad body 26. The skin material 28 has an extra length portion 42B which may form a gap 58 with the pad body 26. Further, the cushion pad member 22 includes a biasing part 56 provided between the extra length portion 42B and the pad body 26. The biasing part 56 biases the extra length portion 42B to the opposite side of the pad body 26.SELECTED DRAWING: Figure 2
Patent JP-2022081673-A (JP)
Title: Methods for purifying virus using apatite columns
IPC: C12N7/02
Filed: 2022-03-23
Abstract: PROBLEM TO BE SOLVED: To provide purification methods capable of reducing an amount of impurities even in viral particle compositions containing impurities that are difficult to separate by ion exchange chromatography and the like. 
     SOLUTION: There is disclosed a purification method for removing impurities from a composition containing viral particles and impurities, the method comprising the steps of: providing a composition containing viral particles and impurities; contacting the composition to an adsorbent comprising a calcium phosphate-based compound for adsorption of the viral particles to the adsorbent; eluting the viral particles from the adsorbent by applying to the adsorbent, a solution with pH change from a first pH value to a second pH value (but not discontinuous pH change) and obtaining an eluate, where the calcium phosphate-based compound can be used under acidic conditions, and the adsorption ability of the viral particles to the adsorbent declines according to the pH change from the first pH value to the second pH value. 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023140423-A (JP)
Title: Production method of carbon aerogel
Inventor: KUGA SHIGENORI
IPC: C01B32/05
Filed: 2022-03-23
Abstract: To prepare a carbon aerogel having a large open surface area in a form of a mechanically stable agglomerate (monolith).SOLUTION: A solution or a suspension of an organic polymer is packed in cavities of a carbon porous body having coarse communication hole cavities. The polymer is brought into contact with a nonsolvent to be converted to a physical gel and then subjected to freeze drying or solvent substitution drying to be converted to an aerogel. The aerogel is subjected to thermal decomposition and carbonization thereby to prepare a carbon aerogel having an open-type network structure of nanocarbon in a monolith form.SELECTED DRAWING: Figure 1
Patent JP-2023140479-A (JP)
Title: Box-shaped floating body
Inventor: MATSUURA MASAMI
IPC: B63B39/10
Filed: 2022-03-23
Abstract: To provide a box-shaped floating body capable of suppressing oscillation caused by waves to stably float when staying on a water surface and smoothly moving when moving on the water surface.SOLUTION: A non-self-navigation type box-shaped floating body 10 comprises: a floating body 12; and oscillation reduction means 14 provided on the lateral side of the floating body 12 to reduce oscillation caused by waves. The oscillation reduction means 14 is provided with an oscillation suppression plate 16 erected with an opening 22 in an upper part, and lifting means 18 for lifting the oscillation suppression plate 16. When staying on a water surface, the oscillation suppression plate 16 holds a state where it is lowered until the opening 22 in the upper part is positioned in water. When moving on the water surface, the oscillation suppression plate 16 holds a state where it is raised above a bottom of the floating body 12.SELECTED DRAWING: Figure 1
Patent JP-2023141319-A (JP)
Title: Method for separating protein
Inventor: MIYAMOTO DAISUKE
IPC: G01N1/10
Filed: 2022-03-23
Abstract: To provide a method capable of separating a protein of interest from a protein-containing solution containing at least one protein, in particular plasma, in high yield.SOLUTION: A method for separating a protein from a protein-containing solution containing at least one protein uses a protein separation device having electrophoresis means including at least a pair of electrodes and four channels separated by three fraction membranes between the electrodes. The method includes the steps of: introducing the protein-containing solution into one of the channels; and adjusting the protein concentration of the protein-containing solution in one of the channels.SELECTED DRAWING: Figure 1
Patent JP-2023141470-A (JP)
Title: Semiconductor device
Inventor: YANO MASARU
IPC: G11C16/10
Filed: 2022-03-24
Abstract: To provide a semiconductor device improved in processing efficiency in a plurality of planes.SOLUTION: A flash memory 100 has a memory cell array including a plane P0 and a plane P1, a controller 130 capable of controlling read operations and program operations of the planes P0 and P1, latches L1 and L2 capable of holding data read from the plane P0 or data to be programmed in the plane P0, and latches L1 and L2 capable of holding data read from the plane P1 or data to be programmed in the plane P1. The controller 130 enables read operations of the plane P1 when performing program operations of the plane P0 in response to a command input from the outside.SELECTED DRAWING: Figure 5
Patent JP-2023141562-A (JP)
Title: Steering control device
Inventor: TSUKUDA Shunsuke
IPC: B62D6/00
Filed: 2022-03-24
Abstract: To suppress periodic movement of a steering when a vehicle passes an irregularity on a road surface.SOLUTION: A steering control device 10 includes: a feedforward steering angle determination part 11 that determines a feedforward steering angle corresponding to a target yaw rate; a feedback steering angle determination part 12 that determines a feedback steering angle on the basis of a yaw rate detected by a yaw rate sensor 3 and a steering angle detected by a steering angle sensor 4; a target steering angle determination part 14 that determines a target steering angle of a vehicle 1 on the basis of the feedforward steering angle and the feedback steering angle; and a correction part 13 that performs feedback steering angle fixation control of correcting the feedback steering angle output to the target steering angle determination part 14 to a fixation value when the yaw rate detected by the yaw rate sensor 3 exceeds a target yaw rate range including the target yaw rate and the steering angle detected by the steering angle sensor 4 periodically moves.SELECTED DRAWING: Figure 1
Patent JP-2023141986-A (JP)
Title: blood purification device
Inventor: ISHII HIROSHI
IPC: A61M1/36
Filed: 2022-03-24
Abstract: To provide a blood purification device capable of maintaining a meander part so as to be freely cleaned by priming liquid, and suppressing compression of air in the meander part of a liquid supply pipe path.SOLUTION: When priming a vein side air trap chamber, a control part executes first steps S1a, S1b for compressing until an increase amount of a vein side measurement value exceeds a threshold value, by closing a vein side opening/closing valve, by utilizing a blood pump in a state in which a liquid supply pump, a dialysate pump and a discharge pump are stopped and a vein side air valve is closed, and after the first steps S1a, S1b, executes a second step S2 which opens the vein side air valve while utilizing the blood pump, for adjusting a liquid level height of the priming liquid in the vein side air trap chamber, and after the second step S2, executes a third step S3 for stopping the blood pump while opening the vein side air valve, for reducing a pressure in the vein side air trap chamber and in the meander part.SELECTED DRAWING: Figure 3
Patent JP-2023142310-A (JP)
Title: Work machine
Inventor: MORIMOTO MINORU
IPC: E02F9/20
Filed: 2022-03-24
Abstract: To improve responsiveness of a hydraulic actuator to operations and suppress malfunctions of a hydraulic actuator.SOLUTION: A work machine comprises: a directional control valve that is driven by pilot pressure acting on first and second pilot chambers to control pressure oil to a hydraulic actuator; first and second solenoid valves generating the pilot pressure for the first and second pilot chambers; and a controller that sets a target pilot pressure based on an operation amount of an electric lever and controls the first and second solenoid valves. The controller, when the operation amount is within a dead band range, calculates a preset standby pressure as the target pilot pressure and outputs a command signal according to the standby pressure to both the first and second solenoid valves. And when the operation amount exceeds a dead band range, the controller calculates pressures corresponding to a command pressure and a tank pressure according to the operation amount as the target pilot pressure and outputs a command signal according to the command pressure to one of the first and second solenoid valves and a command signal according to the tank pressure to the other.SELECTED DRAWING: Figure 6
Patent JP-2023142960-A (JP)
Title: Paper classification device
Inventor: TAKEMOTO HARUKA
IPC: B65H31/30
Filed: 2022-03-25
Abstract: To provide a paper classification device improved in classification work efficiency and in paper alignment performance of cut paper loaded on the paper classification device in the paper conveyance direction, furthermore, having a compact and simple structure.SOLUTION: A paper classification device has: a collecting and transferring part for continuously transferring loaded cut paper downstream for every stacked and loaded cut paper after receiving and stacking the continuously discharged cut paper for every classification unit; and a stacker part arranged on the downstream side of the collecting and transferring part and capable of continuously loading the loaded cut paper transferred from the transferring and loading part on different positions on a loading face.SELECTED DRAWING: Figure 3
Patent JP-2023142995-A (JP)
Title: Ceramic circuit board manufacturing method, ceramic aggregate board, and ceramic circuit board
Inventor: TAKAGI YASUNORI
IPC: B23K26/364
Filed: 2022-03-25
Abstract: To provide a ceramic circuit board manufacturing method which suppresses problems resulting from laser processing, and to provide a ceramic aggregate board and a ceramic circuit board.SOLUTION: Provided is a ceramic circuit board manufacturing method for manufacturing a ceramic circuit board from a ceramic aggregate board. The method includes a groove forming step of forming grooves by irradiating a surface of the ceramic aggregate board with a laser beam. Energy density of the laser beam in the groove forming step is 7.0*10-5 mJ/μm2 or greater and 1*10-3 mJ/μm2 or less. The laser beam is, for example, pulsed laser with a frequency of 100 kHz or more.SELECTED DRAWING: Figure 1
Patent JP-2023144902-A (JP)
Title: Communication terminal and setting information editing program
Inventor: HASEGAWA TAMAO
IPC: H04M1/27453
Filed: 2022-03-28
Abstract: To quickly arrange a communication environment for wireless communication between wireless devices.SOLUTION: A communication terminal 8 includes a wireless device 11 and a portable terminal 12. The wireless device 11 includes: a wireless device side storage unit 17 that stores setting information; and a wireless device side communication unit 16 that performs a group communication with another wireless device 11 based on the setting information. The portable terminal 12 includes: an information exchange unit 25a that obtains setting information of a wireless device 11 that is connected to a portable terminal 12 of another communication terminal 8; a portable terminal side storage unit 24 that stores setting information of the wireless device 11 of the other communication terminal 8, which is obtained by the information exchange unit 25a; a setting information generation unit 25b that, when the setting information stored in the portable terminal side storage unit 24 satisfies a predetermined condition, generates new setting information based on both the setting information stored in the wireless device side storage unit 17 and the setting information stored in the portable terminal side storage unit 24; and an information setting unit 25c that updates the setting information stored in the wireless device side storage unit 17 of the wireless device 11, based on the new setting information.SELECTED DRAWING: Figure 2
Patent JP-2023147517-A (JP)
Title: recording system
Inventor: MURATA MASAHIRO
IPC: B41J2/21
Filed: 2022-03-30
Abstract: To solve the problem that a surface of a medium is sometimes insufficiently filled due to shortage of discharged liquid corresponding to a neighboring color of a darkest part.SOLUTION: A recording system includes a recording head having a plurality of nozzles that can discharge liquid to a medium and a control part that controls the recording head. The control part controls discharging of the liquid by the recording head, on the basis of total amounts of the discharged liquid corresponding to a color in input data, and performs control by which the total discharge amounts of the liquid at peak is discharged, when a predetermined color belonging to a first range in a color space in the input data is inputted as the color in the input data, where the total discharge amounts of the liquid in peak are larger than the total discharge amounts thereof corresponding to the darkest part in the color space. When the darkest part is defined as 0 and the brightest part in the color space is defined as 1, the first range is a range of 1/25.5 or below except for the darkest part.SELECTED DRAWING: Figure 6
Patent JP-2023148217-A (JP)
Title: Suspending beam device
Inventor: KONDO SHINKO
IPC: B66C1/10
Filed: 2022-03-30
Abstract: To provide a suspending beam device capable of moving a plurality of suspending tools in a wide range with respect to a body part of the suspending beam device.SOLUTION: Suspending beam devices 1, 10, 11 comprise: a long body portion 2; a plurality of trolleys 3A to 3D which are supported movably in a longitudinal direction of the body portion 2 and from which suspending tools 4A to 4D are suspended; a driving unit 20 which moves the plurality of trolleys 3A to 3D; and transmission units 30 which transmit a driving force of the driving unit 20 to the plurality of trolleys 3A to 3D to move the plurality of trolleys 3A to 3D, respectively. Moving ranges RA, RC of the suspending tools 4A, 4C on a side close to a central part of the body portion 2 in the longitudinal direction and moving ranges RB, RD of the suspending tool 4B, 4D on a side far from the central part are formed so as to overlap each other.SELECTED DRAWING: Figure 6
Patent JP-2022159214-A (JP)
Title: Organic compound, light-emitting device, light-emitting system, electronic apparatus, and lighting system
Inventor: KUBOTA TOMOHIRO
IPC: H01L51/50
Filed: 2022-03-31
Abstract: To provide an organic compound having a low refractive index and a hole-transport property.SOLUTION: An organic compound is represented by General Formula (G1) shown below. In General Formula (G1), Ar1 represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms in a ring, n represents an integer of 0 or 1, and Ar2 represents an aryl group having 6 to 10 carbon atoms in a ring and includes at least one branched-chain or cyclic alkyl group having 3 to 12 carbon atoms. The total number of carbon atoms of the branched-chain or cyclic alkyl group in Ar2 is more than or equal to 6. Any one of R15 to R18 and any one of R25 to R28 each represent a bond directly bonded to a nitrogen atom, and the others each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms.SELECTED DRAWING: None
Patent JP-2023150712-A (JP)
Title: Medical check valve
Inventor: SAKAGUCHI YUKIHIKO
IPC: A61M39/24
Filed: 2022-03-31
Abstract: To provide a medical check valve capable of suppressing in one direction, a fluid flowing direction more surely.SOLUTION: A medical check valve 100 comprises: a cylindrical holding frame 20; and a hollow shaped part 10 held by the holding frame 20. The hollow shaped part 10 comprises: a pair of beak-like parts 31, 32 which has flexibility and forms a valve body 15. Each tip end part 33, 34 of the pair of beak like parts 31, 32 extends along a first diameter direction orthogonal to a shaft center of the holding frame 20, and the tip end parts 33, 34 mutually approach or tightly contact, and the respective tip end parts 33, 34 of the beak-like parts 31, 32, receive tension at which, the tip end parts are pulled to each end side.SELECTED DRAWING: Figure 2
Patent JP-2023151077-A (JP)
Title: Needle thread holding mechanism and sewing device
Inventor: HARADA KOICHI
IPC: D05B65/06
Filed: 2022-03-31
Abstract: To provide a needle thread holding mechanism and a sewing device, which avoid a needle thread end from being caught in a stitch during sewing and make length of the needle thread end shorter than before.SOLUTION: A needle thread holding mechanism 80 has a stationary knife 97, a first holding member 81, a second holding member 82, and a holding moving part. The stationary knife 97 is fixed to a lower side of a needle plate 11 on which a needle hole 12 allowing insertion of a sewing needle is formed. The first holding member 81 is disposed on undersurface of a needle plate 11. The second holding member 82 is turnably supported by a support part 84 vertical to the needle plate 11 and holds a needle thread end of a needle thread by cooperating with the first holding member 81. The holding moving part has a motor and moves the second holding member 82 in a horizontal direction by power of the motor. The holding moving part moves the second holding member 82 to a standby position Q1, a holding position Q2, and a needle thread cutting position Q3. The needle thread cutting position Q3 is a position at which the needle thread end is cut by the stationary knife 97.SELECTED DRAWING: Figure 7
Patent JP-2023151252-A (JP)
Title: In-furnace temperature control method and control device of supercharged fluidized incinerator
Inventor: SUGIHARA HARUNOBU
IPC: F23G5/50
Filed: 2022-03-31
Abstract: To control an in-furnace temperature of a fluidized incinerator by adjusting an in-system pressure in a supercharged fluidized incinerator and adjusting a temperature of compressed air to be supplied to an air preheater from a supercharger.SOLUTION: In an in-furnace temperature control method and a control device, in a supercharged fluidized furnace 2, a pressure of compressed gas sent from a supercharger is adjusted and a heat exchange amount in an air preheater 30 is adjusted, by adjusting an opening of an adjustment valve 48 disposed in the middle of an exhaust gas passage 43 bypassing the supercharger 50 disposed in the middle of the exhaust gas passage.SELECTED DRAWING: Figure 1
Patent JP-2022095791-A (JP)
Title: Information processing device, generation method, and program
IPC: H04N7/18
Filed: 2022-03-31
Abstract: PROBLEM TO BE SOLVED: To provide a system for generating a virtual viewpoint image, an information processing device, a method, and a program that allow acquisition of appropriate data and generation of a virtual viewpoint image. 
     SOLUTION: In an image processing system, which includes a plurality of sensor systems, an image computing server, a controller, a switching hub, and an end user terminal, a back-end server 270 included in the image computing server transmits information for specifying data that corresponds to a time code of a virtual viewpoint image to be generated and that is used for generating the virtual viewpoint image, to a device that controls output of the data used for generating the virtual viewpoint image; obtains the data used for generating the virtual viewpoint image; and generates the virtual viewpoint image corresponding to the time code, based on the obtained data. 
     SELECTED DRAWING: Figure 7 
     COPYRIGHT: (C)2022,JPO&INPIT