baber/WOPTO huggingface dataset:
Patent JP-2020017547-A (JP)
Title: Lead storage battery
Inventor: KONDO TAKAFUMI
IPC: H01M10/06
Filed: 2019-11-05
Abstract: To provide a lead storage battery having excellent short circuit suppression effect even in a case of using a separator including a silica.SOLUTION: A lead storage battery comprises a positive electrode and a negative electrode facing each other through a separator 10, and an electrolyte. The separator 10 includes a polyolefin and a silica. The positive electrode includes a positive electrode collector, and a positive electrode material held by the positive electrode collector. The negative electrode includes a negative electrode collector, and a negative electrode material held by the negative electrode collector. The electrolyte includes an aluminium ion. A mass ratio of the positive electrode material after chemical conversion to the negative electrode material after chemical conversion is equal to 1.05 or more.SELECTED DRAWING: Figure 1
Patent JP-2021077461-A (JP)
Title: Positive electrode active material composite
Inventor: YOKOYAMA TOMOFUMI
IPC: H01M4/525
Filed: 2019-11-05
Abstract: To provide a positive electrode active material composite that can be suitably applied to production of a lithium ion secondary battery having a small internal resistance and excellent charge/discharge characteristics.SOLUTION: A positive electrode active material composite in the present invention has a positive electrode active material containing a transition metal element and forming particles, and an ionic conductor provided in contact with the surface of the positive electrode active material. The ionic conductor is formed of a material containing Li, Zr, and M (M is at least one element selected from the group consisting of Nb, Sb, and Ta). A part of the transition metal element is diffused in the ionic conductor. An average reduction rate of the percentage content of the transition metal element until the percentage content of the transition metal element in the ionic conductor determined by characteristic X-ray reaches 12% of the percentage content of the transition metal element in substance quantity at the interface between the positive electrode active material and the ionic conductor is not less than 0.5% and not more than 6.1% per 1 nm in the thickness from the interface.SELECTED DRAWING: None
Patent JP-2021076685-A (JP)
Title: Belt conveying device and image forming apparatus including the same
Inventor: CHIKUSHIMA YU
IPC: G03G21/14
Filed: 2019-11-08
Abstract: To provide a belt conveying device that can prevent a reduction in the accuracy of belt skew control due to the influence of a belt end shape, without providing a home position mark to be a reference in a revolving direction on the belt and a sensor that detects the mark.SOLUTION: For time history data at a belt end position used by a control unit for calculation of a skew speed, a belt conveying device determines the magnification p of a data length relative to the cycle of a meander component of the belt end shape to be 1.38<p<1.50 or 2.31<p<2.66, and calculates a belt skew speed through linear extrapolation. This can prevent the influence of the meander component of the belt end shape on skew speed calculation, and skew control can be performed with high accuracy by determining a control amount with the use of this.SELECTED DRAWING: Figure 17
Patent JP-2020095023-A (JP)
Title: Air data probe
Inventor: GREG ALLEN SEIDEL
IPC: G01L19/00
Filed: 2019-11-13
Abstract: To provide an air pressure sensor for eliminating need for a pneumatic tube across an air data probe.SOLUTION: An air data probe includes a probe head, a port within the probe head in fluid communication with external airflow, and an air pressure sensor mounted within the port.SELECTED DRAWING: Figure 3
Patent JP-2021079397-A (JP)
Title: Manufacturing method of titanium ingot, and mold for manufacturing titanium ingot
Inventor: MIZUKAMI HIDEO
IPC: B22D11/16
Filed: 2019-11-15
Abstract: To provide a manufacturing method of a titanium ingot, capable of preventing the scattering of a molten metal at the time of breakout occurrence, and to provide a mold for manufacturing a titanium ingot.SOLUTION: A manufacturing method of a titanium ingot includes a casting step of forming a titanium ingot by impregnating a titanium-containing molten metal into a mold 5. The mold 5 has an unbottomed cylindrical barrel body 50, and an upper end of the barrel body 50 includes an opening 51 for receiving a molten metal. An inner peripheral surface of the barrel body 50 includes a reversely tapered surface 53 arranged in a position below a position of the opening 51, and in the reversely tapered surface 53, a distance from a center axis P of the barrel body 50 is made long as it is getting downward.SELECTED DRAWING: Figure 2
Patent JP-2021081552-A (JP)
Title: Image forming apparatus and method for controlling the same
Inventor: WATANABE NAOTO
IPC: B41J29/46
Filed: 2019-11-18
Abstract: To quickly start fault location specification processing that cannot be executed when a cover is not in a closed state.SOLUTION: A first type is a type in which when a cover for accessing an abnormal location enters an open state, supply of power to a load unit is cut off, the load unit operating for fault diagnosis related to the abnormal location. A CPU 212a determines the type of an abnormality that occurs this time, when a cover (front cover 125 or right cover 126) is in the open state, and if the type of this time's abnormality is the first type, executes notification processing for prompting to close the cover that is open, and starts fault diagnosis processing after the cover is closed.SELECTED DRAWING: Figure 6
Patent JP-2020126995-A (JP)
Title: Semiconductor laser element and manufacturing method of the same
Inventor: KAWAMURA RYOTA
IPC: H01L21/28
Filed: 2019-11-20
Abstract: To achieve a semiconductor laser element with a small loss of laser emission and a method of manufacturing the same.SOLUTION: The semiconductor laser element includes: a substrate; a first conductivity type semiconductor layer formed on the substrate; a light-emitting layer formed on the first conductivity type semiconductor layer; a second conductivity type semiconductor layer, formed on the light-emitting layer, having a stripe-shaped convex portion; a dielectric film for covering a transparent conductive layer formed on the convex portion of the second conductive type semiconductor layer, a conductive protective layer formed on the transparent conductive layer, a side surface of the convex portion of the second conductive type semiconductor layer, a side surface of the transparent conductive layer, and a side surface of the protective layer; and an upper electrode formed on the protective layer. The entire upper surface of the transparent conductive layer is covered with the protective layer. A part of an upper surface of the protective layer is covered with the dielectric film.SELECTED DRAWING: Figure 1A
Patent JP-2021082118-A (JP)
Title: Learning method, program, learning device, and method for manufacturing learned weight
Inventor: HIASA NORITO
IPC: G06N20/00
Filed: 2019-11-21
Abstract: To provide a learning method of a mechanical learning model capable of stably generating high quality false data.SOLUTION: A learning method includes: an acquisition step of acquiring a plurality of first input data and a plurality of actual data; a generation step of generating a plurality of false data by inputting each of the plurality of first input data to a generator; an identification step of generating an identification output that identifies whether or not the input data is generated by the generator by inputting the actual data or the false data to a discriminator; and a learning step of updating a weight of the generator or the identifier using a loss function that is based on comparison between a value based on the identification output based on the actual data and a value based on the identification output based on false data and is defined to reduce overlap of a distribution of respective identification outputs of the plurality of real data and the plurality of false data or influence of a deviation value of the identification output of the plurality of real data or the plurality of false data.SELECTED DRAWING: Figure 4
Patent JP-2021080423-A (JP)
Title: Thermoplastic resin extruded-foamed plate and method for producing the same
Inventor: MORITA KAZUHIKO
IPC: C08J9/04
Filed: 2019-11-22
Abstract: To provide a thermoplastic resin extruded-foamed plate which has heat resistance when being mounted for a long period of time under direct sunlight while having a merit of a polystyrene-based resin, is hardly cracked even when being bent, and can suppress chipping and cracking after processing in slit processing, and a method for producing the same.SOLUTION: The thermoplastic resin extruded-foamed plate has thickness of 10-150 mm and apparent density of 20-50 kg/m3. The thermoplastic resin constituting the thermoplastic resin extruded-foamed plate is composed of a mixed resin containing a styrene-(meth)acrylic acid copolymer and a polyethylene terephthalate-based resin, a mass ratio of the styrene-(meth)acrylic acid copolymer to the polyethylene terephthalate-based resin is 50:50 to 90:10, and a ratio of the (meth)acrylic acid unit in the styrene-(meth)acrylic acid copolymer is 1-6 mass%.SELECTED DRAWING: None
Patent JP-2021081399-A (JP)
Title: Abnormality detection system, distribution board system, abnormality detection method and program
Inventor: YOSHIDA HIROSHI
IPC: H02J13/00
Filed: 2019-11-22
Abstract: To provide an abnormality detection system capable of more diverse detection, a distribution board system, an abnormality detection method and a program.SOLUTION: An abnormality detection system 100 includes a detection unit 33 and an estimation unit 715. The detection unit 33 detects an abnormality of a wiring C11 in a power distribution system 101. The power distribution system 101 supplies the electric power to a load with any one of the multiple phases consisting of a pair of poles out of 3 poles including 3 poles. The estimation unit 715 is configured so as to, when the detection unit 33 detects an occurrence of abnormality, estimate which of the multiple phases is the source of the abnormality based on detection result by the detection unit 33.SELECTED DRAWING: Figure 1
Patent JP-2021085113-A (JP)
Title: Defibrating treatment apparatus, and fiber treatment apparatus
Inventor: YAMAZAKI KEIGO
IPC: D21B1/06
Filed: 2019-11-27
Abstract: To provide a defibrating treatment apparatus and a fiber treatment apparatus for discharging by sieving into a useful defibrated matter and a waste defibrated matter so as not to disperse the waste defibrated matter in an apparatus.SOLUTION: The defibrating treatment apparatus 20 includes: a feeding hole 184 for feeding a raw material MA; a rotating body 110 having a plurality of rotating blades (defibrating inner blades 113) protruding in a direction separating from a rotating shaft; a stationary member 120 having a first screen 140 covering the rotating body 110 and having a plurality of first openings 141a, and a second screen 150 having a plurality of second openings 151a having a size larger than that of the first opening 141a of the first screen 140; a first discharge route 222 having a first discharge hole 172 and a second discharging hole 176 for discharging a defibrated matter defibrated by the defibrating inner blades 113, and for discharging the defibrated matter toward the first discharge hole 172 through the first screen 140; and a second discharge route 232 for discharging the defibrated matter toward discharge hole 176 through the screen 150.SELECTED DRAWING: Figure 3
Patent JP-2020040659-A (JP)
Title: Control and system for autonomous driving vehicle
Inventor: PAUL GERARD TREPAGNIER
IPC: G08G1/0969
Filed: 2019-12-05
Abstract: To provide a navigation and control system including one or more position sensors which are so configured as to generate a position signal which indicates a position and a direction of travel of a vehicle.SOLUTION: This system includes one or more operation control mechanisms which have input and generate output for controlling vehicle operation, and includes a built-in autonomous controller separated from the operation control mechanism. The autonomous controller includes: a processor which receives the position signal from the position sensor, and is so configured as to generate an operation control signal which determines an updated travel path of a vehicle; and a programmable interface which performs communication among the position sensor, the operation control mechanism, and the processor. The programmable interface is so configured to normalize input from the position sensor to the processor, and to generate an adaptable operation control signal which is added as input to the operation control mechanism, whereby the built-in autonomous controller can be configured so as to operate together with various different sensors and different operation control mechanisms.SELECTED DRAWING: Figure 1A
Patent JP-2021085650-A (JP)
Title: Wall-hanging pellet stove capable of shortening initial ignition time
Inventor: BANG WOO SONG
IPC: F24B1/19
Filed: 2019-12-09
Abstract: To provide a wall-hanging pellet stove capable of shortening initial ignition time.SOLUTION: A wall-hanging pellet stove 100 comprises: a housing part 110 having a pellet storing space 111 provided therein, and having a combustion furnace monitoring window 112 which is mounted at one side thereof and which allows a combustion furnace 140 therein to be monitored from the outside; a pellet providing part 120 which is mounted inside the housing part, and which uses a tubular transfer path so as to provide, to the combustion furnace, pellets accommodated in the pellet storing space; a pellet heating part 126 which is mounted adjacently to the tubular transfer path, and which heats the pellets transferred through the tubular transfer path; the combustion furnace, which is mounted inside the housing part, has a combustion air inlet hole formed at the lower portion thereof, and has an ignition device mounted on one side thereof; and a combustion air providing part 150, which is mounted inside the housing part, suctions air from the outside so as to form an air curtain between the combustion furnace and the combustion furnace monitoring window.SELECTED DRAWING: Figure 2
Patent JP-2021091360-A (JP)
Title: Pneumatic tire
Inventor: SATOI AYA
IPC: B60C11/03
Filed: 2019-12-12
Abstract: To provide a pneumatic tire that can improve an on-snow braking performance while securing a drainage performance.SOLUTION: A pneumatic tire comprises: a plurality of inclined grooves 1 being formed at intervals in a tire circumferential direction and obliquely extending toward one side CD1 in a tire circumferential direction, from a center part in a tire width direction of a tread surface toward outside in the tire width direction; and inclined land parts 2 partitioned by the inclined grooves 1. The inclined land part 2 is partitioned into a center block 3, a quarter block 4 and a shoulder block 5, which are arranged from a center part in the tire width direction toward outside in the tire width direction in this order. An angle θ1 formed by a virtual straight line AB connecting a tip position A at the other side CD2 in the tire circumferential direction of the center block 3 to a tip position B at the other side CD2 in the tire circumferential direction of the quarter block 4 and a virtual straight line AC connecting the tip position A to a tip position C at the other side CD2 in the tire circumferential direction of the shoulder block 5 is 10 degree or less.SELECTED DRAWING: Figure 2
Patent JP-2021034098-A (JP)
Title: Magnetic recording medium, cartridge and recording/playback device
Inventor: YAMAGA MINORU
IPC: G11B21/10
Filed: 2019-12-12
Abstract: To provide a magnetic recording medium which can acquire favorable electromagnetic conversion characteristics and in which an increase in a coefficient of dynamic friction can be suppressed even after performing repetitive recording or playback.SOLUTION: A magnetic recording medium is a tape-like magnetic recording medium, and comprises a substrate, an underlayer provided on the substrate, and a magnetic layer provided on the underlayer and including magnetic powder. The underlayer and the magnetic layer include lubricant. The squareness ratio of the magnetic layer in the vertical direction, of the magnetic recording medium is 65% or more, and the average thickness of the magnetic layer is 5.6 μm or less. The magnetic layer comprises, in the surface thereof, a plurality of recesses with the depth being equivalent to 20% or more of the average thickness of the magnetic layer, and the number of the recesses per unit area 1600 μm2 on the surface of the magnetic layer is 20 or more and 200 or less. An oozing out amount of the lubricant in the surface of the magnetic layer in vacuum is 3.0 μm2 or more and 6.5 μm2 or less per unit area of 12.5 μm×9.3 μm.SELECTED DRAWING: Figure 4
Patent JP-2021094934-A (JP)
Title: Parking support system
Inventor: NAKADA YUKI
IPC: B60W50/14
Filed: 2019-12-13
Abstract: To provide a parking support system capable of preventing a user from feeling a strangeness when a vehicle cannot be moved to a set location selected as a target parking lot by the user.SOLUTION: A parking support system comprises: an external information acquisition device which acquires information on an external information around a vehicle; and a control device. The control device executes drive processing to: set a candidate parking lot selected by a user as a target parking lot; set a stop position enabling the vehicle to be stopped inside the target parking lot; and cause the vehicle to autonomously move to the stop position along a trajectory thereto. During the drive processing, the control device: causes a display device to display the trajectory and the stop position; determines appropriateness of the stop position on the basis of the external information; corrects the stop position when determining that the stop position is inappropriate; and causes the display device to display the corrected stop position.SELECTED DRAWING: Figure 2
Patent JP-2021095352-A (JP)
Title: Composition comprising cationic polysaccharide and anionic antioxidant
Inventor: ISOJIMA TAKESHI
IPC: A61K8/36
Filed: 2019-12-16
Abstract: To provide a composition that can contain a relatively large amount of antioxidant.SOLUTION: The present invention relates to a composition comprising (a) at least one cationic polysaccharide, (b) at least one antioxidant, and (c) water. The antioxidant (b) may have at least one negative charge selected from the group consisting of a sulfuric acid group, a sulfate group, a sulfonic acid group, a sulfonate group, a phosphoric acid group, a phosphate group, a phosphonic acid group, a phosphonate group, a phenolic hydroxyl group, a carboxylic acid group, and a carboxylate group and/or has a portion having a negative charge. The composition according to the invention may comprise a relatively large amount of antioxidant.SELECTED DRAWING: Figure 1
Patent JP-2021100483-A (JP)
Title: Eye mask
Inventor: YAMASHITA EMIKA
IPC: A61F9/04
Filed: 2019-12-24
Abstract: To provide an eye mask that enables obtaining a comfortable touch without excessively compressing the eyes.SOLUTION: An eye mask comprises a mask body covering the eyes, and a wear part for putting the mask body on the face of a wearer so as to cover the eyes of the wearer. The mask body is formed in a shape of covering the eyes, and comprises a front cloth and a lining cloth oppositely arranged in a front-rear direction, and a frame part forming a marginal part of the mask body. The frame part has a marginal part of the front cloth, a marginal part of the lining cloth, and an intermediate part interposed between the marginal part of the front cloth and the marginal part of the lining cloth.SELECTED DRAWING: Figure 1
Patent JP-2021103635-A (JP)
Title: Cell stack
Inventor: TANAKA YUKI
IPC: H01M8/2465
Filed: 2019-12-25
Abstract: To provide a cell stack capable of suppressing the occurrence of cracks in a glass seal portion.SOLUTION: A cell stack 2 includes a plurality of fuel battery cells 5, a plurality of separators 30, and a sealing member 110. The plurality of fuel battery cells 5 are laminated with each other via an interconnector 40. The separators 30 are respectively connected to the fuel battery cells 5 and separate fuel gas and oxidant gas. The sealing member 110 seals the gap between the fuel battery cell 5 and the separator 30. The separator 30 includes a base material 31 and an alumina coating 32 that covers the surface of the base material 31. The sealing member 110 includes a glass sealing portion 111 made of crystallized glass, and an intermediate layer 112 arranged between the glass sealing portion 111 and the alumina coating 32 of the separator 30 and made of crystallized glass. The content of a low equilibrium oxygen pressure element in the intermediate layer 112, which has lower equilibrium oxygen pressure than that of aluminum, is higher than the content of a low equilibrium oxygen pressure element in the glass sealing portion 111.SELECTED DRAWING: Figure 3
Patent JP-2020062432-A (JP)
Title: Game program and information processing device
Inventor: MORI KOHEI
IPC: A63F13/69
Filed: 2019-12-25
Abstract: To provide a game program and an information processing device capable of changing time and efforts for acquiring a price necessary for the evolution of a character according to needs of a user.SOLUTION: A game program causes a processor to execute a step for receiving first input for selecting an object to be changed to a different object, a step for receiving second input for selecting a change method between sequential change processing and batch change processing, a step for specifying a price required for the sequential change processing when the sequential change processing is selected, and a step for specifying a price required for the batch change processing when the batch change processing is selected. The price required for the batch change processing is different from all the prices required for changing an object selected by executing the sequential change processing a plurality of times to an object after the change.SELECTED DRAWING: Figure 13
Patent JP-2020109657-A (JP)
Title: Processing device error correction method and system therefor
Inventor: CHANG NENG-WEI
IPC: G05B19/18
Filed: 2019-12-26
Abstract: To reduce the time and effort needed to tune a processing device.SOLUTION: A processing device error correction system sets initial operation parameters according to a processing program and performs processing. The system acquires and analyzes predetermined detection data during product processing, calculates correction parameters based on a correction model, and performs processing based on correction parameters. When analyzing the detection data, the system selects the detection data according to a predetermined rule and a dimension inspection standard, sets a safety section, a correction section and an alarm section based on a determined reference section, sets the safety section=M*reference section, the correction section=N*reference section, the alarm section=L*reference section, and the |L|>|N|>|M|, determines a section in which the detection data is located, stops execution of the correction step when the detection data is in the safe section, executes the correction step when the detection data is in the correction section, and stops execution of the correction step and generates an alarm when the detection data is in the alarm section.SELECTED DRAWING: Figure 2