baber/WOPTO huggingface dataset:
Patent JP-2021132622-A (JP)
Title: Methods for separating nucleic acid and methods for amplifying nucleic acid
Inventor: NAGAMINE KENTARO
IPC: B01J20/04
Filed: 2020-02-28
Abstract: To provide simple methods for separating nucleic acid from nucleic acid-containing samples and simple methods for amplifying nucleic acid in samples.SOLUTION: The invention provides a method for isolating a nucleic acid comprising the steps of: contacting nucleic acid to phosphate and/or carbonate salt of alkaline earth metal of which solubility to water is 1 g/100 g H2O or less to form a complex; heating the formed complex of the nucleic acid and the phosphate and/or carbonate salt of alkaline earth metal salt at 45°C or higher. The invention also provides a method for amplifying nucleic acid comprising the steps of: contacting nucleic acid to phosphate and/or carbonate salt of alkaline earth metal of which solubility to water is 1 g/100 g H2O or less to form a complex; heating the formed complex of the nucleic acid and the phosphate and/or carbonate salt of alkaline earth metal salt.SELECTED DRAWING: Figure 15
Patent JP-2020150788-A (JP)
Title: Power conversion unit
Inventor: TAKEUCHI KAZUYA
IPC: H02M7/48
Filed: 2020-03-03
Abstract: To provide a power conversion unit which suppresses the transmission of heat generated at one of a capacitor and a reactor to the other through a coolant.SOLUTION: A power conversion unit 300 includes: a power module 700 including a plurality of switches; a capacitor and a reactor 510 which are electrically connected to the plurality of switches; and a cooling channel 830 through which the coolant which cools the above flows. The cooling channel includes a first flow channel 831, a second flow channel 833 and a third flow channel 835. The first, second and third flow channels are aligned in series, and the capacitor faces the first flow channel only, the reactor faces the second flow channel only, and the power module faces the third flow channel only.SELECTED DRAWING: Figure 2
Patent JP-2020101826-A (JP)
Title: Image forming apparatus
Inventor: ISHIDA MASAHIRO
IPC: F16H1/08
Filed: 2020-03-04
Abstract: To provide a driving device and an image forming apparatus that can selectively switch between two-system drive transmission paths while preventing an increase in cost.SOLUTION: A driving device 30 comprises: a driving source 1 that is capable of normal rotation and reverse rotation; a rotatable input-side rotation member 1a that receives input of a rotation driving force from the driving source; a rotatable output-side rotation member 8 that outputs the rotation driving force to a body to be driven 181a; two-system drive transmission paths for transmitting the rotation driving force from the input-side rotation member to the output-side rotation member; and drive transmission path switching means that switches the drive transmission path from the input-side rotation member to the output-side rotation member. The drive transmission path switching means has a rotatable moving rotation member 2 that, during normal rotation and reverse rotation of the driving source, moves in different directions in a thrust direction between the two-system drive transmission paths to transmit the rotation driving force from the driving source to one drive transmission path or the other drive transmission path, of the two-system drive transmission paths.SELECTED DRAWING: Figure 1
Patent JP-2020150938-A (JP)
Title: Container-packed tea beverage
Inventor: KOBAYASHI YOSHINORI
IPC: A23F3/16
Filed: 2020-03-05
Abstract: To provide a heat-sterilized container-packed tea beverage that can enable full enjoyment of the scent through the nose while containing a certain amount of each of non-polymer catechins and ascorbic acid or a salt thereof.SOLUTION: A heat-sterilized container-packed tea beverage, containing the following components (A), (B) and (C): (A) non-polymer catechins 0.030 to 0.090 mass%; (B) ascorbic acid or a salt thereof 0.010 to 0.10 mass%; and (C) astragalin, and in which the mass ratio of the component (A) and the component (B) [(B)/(A)] is 0.20 to 5.0, the mass ratio of the component (C) and the component (A) [(C)/(A)] is 2.2×10-3 to 30×10-3, and the pH is 5 to 7.SELECTED DRAWING: None
Patent JP-2020114824-A (JP)
Title: Compound regulating intracellular calcium
Inventor: JEFFREY P WHITTEN
IPC: C07D471/04
Filed: 2020-03-09
Abstract: To provide a compound regulating activity of a store-operated calcium (SOC) channel, and a pharmaceutical composition containing such the compound.SOLUTION: There is provided a compound represented by following formula, a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable solvation thereof. In the formula, L2 is -NH-C(=O)-, X is N, R2 is an aryl, R3 is H, a halogen atom, D, -CN, -NO2, -OH, a C1-C6 alkyl, or the like, and n is an integer selected from 0-2.SELECTED DRAWING: Figure 1
Patent JP-2021143631-A (JP)
Title: Oil pan structure for internal combustion engine
Inventor: ASAMI TAKASHI
IPC: F02F7/00
Filed: 2020-03-12
Abstract: To provide an oil pan structure for an internal combustion engine, which can increase the rigidity of a connection surface between a shallow bottom portion and a deep bottom portion while reducing the weight.SOLUTION: The present invention resides in an oil pan structure including a storage part 10 for storing oil of an internal combustion engine E. The storage part 10 comprises a shallow bottom portion 11, a deep bottom portion 12 deeper than the shallow bottom portion 11, and a connection surface 13 that connects the shallow bottom portion 11 and the deep bottom portion 12 between the shallow bottom portion 11 and the deep bottom portion 12. A side wall MF is formed at a position facing the connection surface 13 across the shallow bottom portion 11, interposed between the side wall and the connection surface. A rib 41 is formed on a back surface of the shallow bottom portion 11 to extend from one side or the other side in a width direction of the side wall MF toward an end of the connection surface 13 on an opposite side in the width direction.SELECTED DRAWING: Figure 3
Patent JP-2021147773-A (JP)
Title: Rolling compaction vehicle
Inventor: TAKAHASHI ATSUSHI
IPC: E01C19/22
Filed: 2020-03-16
Abstract: To provide a rolling compaction vehicle capable of constantly adjusting a water sprinkling width appropriately without ignoring driving operation or consideration for the surroundings in addition to reduction of fatigue of an operator.SOLUTION: A determination area Er is extracted from a road surface image captured by a rear camera 30 during forward movement of a vehicle 1 with waster sprinkling from a road surface water sprinkling nozzle 19, a penetration area E2 where the density is increased by penetration of water on the road surface is specified based on change in the density of each pixel in the car width direction within the determination area Er to determine the length of the penetration area in the car width direction as an actual water sprinkling width L. As shown in the left side of the figure, for example, when the actual water sprinkling width L increases up to a maximum value S5 under the effect of road surface inclination with respect to a target water sprinkling width Ltgt set to an intermediate value S3, discharge rate of a water sprinkling pump 23 is reduced to weaken strength of water from the road surface water sprinkling nozzle 19, and thereby the actual water sprinkling width L is adjusted to the side closer to the reduction to match with the target water sprinkling width Ltgt as shown in the right side of the figure.SELECTED DRAWING: Figure 3
Patent JP-2021146240-A (JP)
Title: Water treatment system, control apparatus, water treatment method and program
Inventor: FUKUMIZU KEIICHIRO
IPC: C02F1/52
Filed: 2020-03-17
Abstract: To more accurately determine a state of water within a tank.SOLUTION: A water treatment system includes: a tank 100 into which water to be treated flows; an imaging device 300 for taking an image of the water stored in the tank 100 into which a flocculant is injected; and a control apparatus 200 which applies shading processing regarding the image taken by the imaging device 300, which applies differential processing regarding the shading-processed image, and which determines a state of aggregate in the water on the basis of the amount of characteristic calculated from the result of the execution of the differential processing.SELECTED DRAWING: Figure 1
Patent JP-2021151105-A (JP)
Title: Rotary actuator
Inventor: FUJII SHUSUKE
IPC: F16H61/32
Filed: 2020-03-19
Abstract: To provide a rotary actuator having improved mountability on a vehicle.SOLUTION: An actuator is used as the drive unit of a vehicle shift-by-wire system, and can rotationally drive a control shaft as a drive target. The actuator includes: a motor; a housing 20 having a housing space 61 for housing the motor; a breathing hole part 62 which can communicate between an external space 63 as an external space relative to the housing 20 and a housing space 61; a filter 67 which permits a gas flow between the housing space 61 and the external space 63 via the breathing hole part 62, while restricting the flow of a solid and a fluid between the housing space 61 and the external space 63 via the breathing hole part 62. The filter 67 is provided inside the outer wall surface 66 of the housing 20.SELECTED DRAWING: Figure 3
Patent JP-2021149073-A (JP)
Title: Longitudinal panel device
Inventor: KUDO TSUTOMU
IPC: B43L1/04
Filed: 2020-03-23
Abstract: To provide a technique for installing a new longitudinal panel, capable of allowing installation in the vicinity of partition wall having short strength or in a place etc., without having a partition wall between a ceiling and a floor irrespective of the existence of a suspended ceiling and capable of firmly maintaining a state erected between the ceiling and the floor even when the ceiling and the floor is somewhat deformed by the occurrence, etc., of a strong earthquake.SOLUTION: A longitudinal panel device 1 includes: right and left main pillars 2 and 2 installed on right and left suspended virtual axes CL and CL from two points of a ceiling C separated by a distance L in the horizontal right and left direction in the interior R of a building B having the ceiling C and a floor F; and a longitudinal panel 7 horizontally bridged and integrated between right and left suspension pillar pipes 6 and 6 suspended through right and left earthquake-proof suspension mechanisms 3 and 3 coupled to the ceiling C and right and left length control mechanisms 4 and 4. Each of the lower ends of the right and left suspension pillar pipes 6 and 6 is supported on each of right and left receiving seats 8 and 8 coupled to the floor F.SELECTED DRAWING: Figure 1
Patent JP-2021152271-A (JP)
Title: Method for manufacturing floor structure
Inventor: KATO HISASHI
IPC: E04F15/12
Filed: 2020-03-24
Abstract: To provide a method for manufacturing a floor structure capable of suppressing the occurrence of cracks in a surface layer.SOLUTION: The method for manufacturing a floor structure includes a first laminating step and a second laminating step. In the first laminating step, a first mortar composition layer formed by a first mortar composition is laminated on a construction target portion. In the second laminating step, a second mortar composition layer formed by a second mortar composition is laminated on the first mortar composition layer. In the first laminating step, the first mortar composition layer is formed by spraying the first mortar composition into particles in the air and depositing the particles on the construction target portion.SELECTED DRAWING: Figure 1
Patent JP-2020184519-A (JP)
Title: Input connection device
Inventor: LIN SHENG-KUO
IPC: H05K9/00
Filed: 2020-03-25
Abstract: To provide an input connection device applied to an electronic device.SOLUTION: An electronic device includes a main electric circuit board and a case body, and the case body has a first wall surface. An input connection device includes: an insulating housing; a conductive connection unit; an electrical circuit board; a switch; at least one first power line; and at least one second power line. The insulating housing is disposed on the first wall surface and includes a body, and the body includes a hollow channel. The conductive connection unit is disposed in the hollow channel and engaged with the insulating housing. The electrical circuit board is directly connected to the conductive connection unit. The switch includes an input unit and an output unit. One end of the first power line is connected to the electric circuit board, and the other end of the first power line is connected to the input unit of the switch. One end of the second power line is connected to the output unit of the switch. The other end of the second power line is connected to the main electric circuit board.SELECTED DRAWING: Figure 1
Patent JP-2021155854-A (JP)
Title: Composite polyester monofilament package and method for producing the same
Inventor: MIURA TAKUYA
IPC: D01D5/34
Filed: 2020-03-25
Abstract: To provide a package capable of obtaining a screen fabric of excellent quality in which moist-heat shrinkage stress variation in a fiber longitudinal direction is reduced and free from shrinkage-shaped defects, in a composite polyester monofilament having fineness, high strength and a high modulus.SOLUTION: A composite polyester monofilament package is obtained by winding a sheath-core composite monofilament having a core component and a sheath component made of polyester and satisfies all of the following requirements (a) to (d): (a) the fineness is 4.0 to 13.0 dtex, (b) the strength is 7.0 to 9.0 cN/dtex, (c) the strength upon 10% elongation is 6.0 to 9.0 cN/dtex and (d) the moist-heat shrinkage stress variation of the composite polyester monofilament at a wound thickness 1 mm part of a package internal layer is 0.06 cN/dtex or lower.SELECTED DRAWING: Figure 1
Patent JP-2021153815-A (JP)
Title: Game machine
Inventor: HARUYOSHI TATSUNORI
IPC: A63F5/04
Filed: 2020-03-26
Abstract: To provide a game machine with a high degree of design freedom.SOLUTION: A game machine includes game state control means 49 transferring a game state among a plurality of types of game states, instruction function control means 51 controlling execution of an instruction performance for assisting a winning of a prescribed symbol combination, and game section control means 80 transferring a game section among a plurality of types of game sections including an advantageous section in which the instruction performance may be executed. The advantageous section includes a first advantageous section, a second advantageous section, and a third advantageous section being more advantageous than the first advantageous section and the second advantageous section, and the game section control means 80 refers to a game state when transferring to the advantageous section and determines which advantageous section to transfer to.SELECTED DRAWING: Figure 17
Patent JP-2021154056-A (JP)
Title: Game machine
Inventor: HORIUCHI KAZUMA
IPC: A63F5/04
Filed: 2020-03-30
Abstract: To provide a game machine that can excite the game until it is shifted to be in an advantageous privilege game state and increase the motivation to continue the game.SOLUTION: A game machine includes: performance means capable of executing a precursory performance when the accumulated points reach the ceiling point; privilege game state determination means for determining whether or not to shift to the privilege game state at each start of the cycle to the end of the precursory performance, after the ceiling point is determined; and state control means capable of shifting from a first state to a second state. The second state is a state in which the points are more likely to be accumulated than the first state. The cycle determined to be shifted to the privilege game state is more likely to be in the second state than the cycle determined not to shift to the privilege game state and the control to shift to the third state may be executed. The third state is easier to accumulate points than the first state. The cycle determined not to shift to the privilege game state and the cycle determined to shift to the privilege game state have the same probability to be shifted to the third state.SELECTED DRAWING: Figure 41
Patent JP-2020165649-A (JP)
Title: Air conditioning capacity providing system
Inventor: MIYAKE YUKA
IPC: F24F11/89
Filed: 2020-03-30
Abstract: To measure capacity of an air conditioner by using a small number of sensors.SOLUTION: An air conditioning capacity providing system 10 provides capacity of an air conditioner 20 including an outdoor unit 40, indoor units 21-24 and refrigerant communication piping 31, 32 communicating the outdoor unit 40 and the indoor units 21-24. The air conditioning capacity providing system 10 includes a first acquisition section, a measurement section, a second acquisition section and a capacity calculation section. The first acquisition section acquires outdoor unit capacity information that is information on rated capacity of the outdoor unit 40 or information related to the rated capacity. The measurement section measures electric power consumption of the outdoor unit 40. The second acquisition section acquires an outside air temperature that is a temperature of air around the outdoor unit 40. The capacity calculation section obtains a calculation value of the capacity of the air conditioner 20 on the basis of the outdoor unit capacity information, the electric power consumption and the outside air temperature.SELECTED DRAWING: Figure 1
Patent JP-2021162649-A (JP)
Title: Karaoke device and singing evaluation program
Inventor: TAKAHASHI RYOTA
IPC: G10K15/04
Filed: 2020-03-31
Abstract: To enable a user to recognize a deviation between a new singing evaluation system and a conventional singing evaluation system.SOLUTION: A karaoke device according to the present invention is capable of executing first singing evaluation processing of evaluating a singing voice signal input through a microphone by a first evaluation system and calculating a first singing evaluation value, second singing evaluation processing of evaluating the singing voice signal input through the microphone by a second evaluation system and calculating a second singing evaluation value having the same scale as the first evaluation processing, and notification processing of notifying a user of the first singing evaluation value for one singing voice signal and a differential value between the first singing evaluation value and the second singing evaluation value for the one singing voice signal.SELECTED DRAWING: Figure 6
Patent JP-2020115873-A (JP)
Title: Detection of residual host cell proteins in recombinant protein preparations
Inventor: ANDREW CSORDAS
IPC: C40B40/06
Filed: 2020-04-02
Abstract: To provide methods for detecting or eliminating residual host cell proteins (HCPs) in recombinant protein preparations.SOLUTION: Disclosed is a method for identifying a plurality of candidate aptamers that specifically bind to the HCPs in an HCP mixture, the method comprising the steps of: providing a library of potential aptamers; exposing the potential aptamer library to an HCP mixture to select a plurality of candidate aptamers that bind to the HCP target; and determining the identity of the plurality of candidate aptamers that bind to the HCP. Also disclosed is a method for removing HCPs from a recombinant protein preparation by separating the aptamer-HCP complexes.SELECTED DRAWING: Figure 1
Patent JP-2021159585-A (JP)
Title: Game machine
Inventor: OSHIMA TATSUAKI
IPC: A63F5/04
Filed: 2020-04-02
Abstract: To provide a game machine performing a performance which does not make a player get tired of the game.SOLUTION: A slot machine comprises: a plurality of rotary reels which is driven to rotate by a stepping motor, and on which a plurality of patterns is arranged; a housing comprising a reel window through which part of the plurality of patterns can be viewed from the outside, and storing the plurality of rotary reels; a touch panel for detecting contact with a reel window by a player; and a performance control part for controlling a specific performance. The performance control part executes the specific performance when a PUSH pattern out of the plurality of patterns, is stopped in the reel window and the touch panel detects contact by a player with a part corresponding to a stop position of the PUSH pattern in the reel window.SELECTED DRAWING: Figure 7
Patent JP-2021165675-A (JP)
Title: Power supply system control device
Inventor: UCHIYAMA MASANORI
IPC: H02J7/00
Filed: 2020-04-07
Abstract: To provide a power supply system control device capable of suppressing increase in the number of elements required for calculating the current distribution information.SOLUTION: A power supply system 100 includes: a voltage sensor 40; a current sensor 42; bypass routes LU1, LD1, LU2, LD2; and switches SWU 1, SWD1, SWU 2, SWD2 provided to each bypass route. The power system further includes: a first acquisition unit that acquires a first current detection value and a first voltage detection value in a first state in which a first cathode and negative electrode switches SWU1, SWD1 are ON, and a second cathode and negative electrode switches SWU2, SWD2 are OFF; and a second acquisition unit that acquires a second current detection value and a second voltage detection value in a second state in which the first cathode and the negative electrode switch SWU1, SWD1 are OFF and the second cathode and the negative electrode switches SWU2, SWD2 are ON; and a distribution information calculation unit that calculates current distribution information on the basis of a first resistance value which is the first voltage detection value divided by the first current detection value and a second resistance value which is the second voltage detection value divided by the second current detection value.SELECTED DRAWING: Figure 1
Patent JP-2021165966-A (JP)
Title: Vehicle data accumulation device and vehicle data accumulation program
Inventor: KOGA TOSHIYUKI
IPC: G08G1/00
Filed: 2020-04-07
Abstract: To determine a road condition more accurately.SOLUTION: A vehicle data accumulation device as an example of the present disclosure includes: an accumulation processing unit that accumulates driving data of a vehicle traveling on a road in association with position data indicating the position of the vehicle when the driving data is acquired; a determination output processing unit that determines the road condition based on determination data including at least a part of the driving data and outputs the result of the determination; and an adjustment processing unit that adjusts the number of determination data depending on an index showing the bias of the driving data.SELECTED DRAWING: Figure 1
Patent JP-2021168550-A (JP)
Title: Dc/dc converter
Inventor: SUEHIRO YUTAKA
IPC: H02M3/28
Filed: 2020-04-10
Abstract: To make it possible to correspond to input voltages in a wide range by maintaining the high efficiency characteristics of an LLC resonance type DC/DC converter.SOLUTION: A DC/DC converter 1 includes: a series circuit of a second capacitor and a first capacitor that divides an input voltage; and a first DC/DC converter LLC1 and a second DC/DC converter LLC2 in which a series circuit of switch elements Q1, Q2 is connected in parallel with the first capacitor, and a series circuit of switch elements Q3, Q4 is connected in parallel with the second capacitor. The first DC/DC converter LLC1 is connected to a positive electrode of an input via the switch elements Q3, Q4. The second DC/DC converter LLC2 is connected between the input and GND via the switch elements Q1, Q2. Via the switch elements Q1 to Q4, the first DC/DC converter LLC1 and the second DC/DC converter LLC2 are connected in parallel during a low input, and are connected in series during a high input.SELECTED DRAWING: Figure 1