baber/WOPTO huggingface dataset:
Patent JP-2021147436-A (JP)
Title: Method for producing ethylene-based polymer particles and method for producing drawn molding
Inventor: NISHINO FUMIAKI
IPC: C08F4/64
Filed: 2020-03-17
Abstract: SOLUTION: Provided is a method for producing ethylene-based polymer particles which satisfy the following (E), comprising homopolymerizing ethylene or copolymerizing ethylene and a C3-20 linear or branched α-olefin in the presence of an olefin polymerization catalyst containing (A) microparticles, which are obtained through at least the following steps 1-3: (step 1) contacting a metal halide with an alcohol in a hydrocarbon solvent; (step 2) contacting a component obtained in (step 1) and an electron-donating compound; and (step 3) contacting a component obtained in (step 2) and an organoaluminum compound and/or an organoaluminum oxy compound, and (B) a specific transition metal compound. (E) An intrinsic viscosity, [η], measured in a decalin solvent at 135°C is 5-50dl/g.EFFECT: By including microparticles obtained through specific steps as an essential component of an olefin polymerization catalyst, a method for producing an ethylene-based polymer particles enables suppressing fouling of ethylene-based polymer particles on a polymerization tank wall and stirring blades to a minimum, obtaining ethylene-based polymer particles having a high bulk density and, further, obtaining a high strength molding when drawing molding the ethylene-based polymer particles obtained by the present method.SELECTED DRAWING: None
Patent JP-2021148890-A (JP)
Title: Optical device and projector
Inventor: WAKABAYASHI SHINICHI
IPC: G03B21/14
Filed: 2020-03-18
Abstract: To provide an optical device in which a movable part is made to swing around a swing axis and a shape of a shaft part supporting the movable part is optimized.SOLUTION: A projector 1 comprises: a light emitting device 2 for emitting image light LL; a projection optical system 4 for enlarging and projecting the image light LL; and an optical device 3 which is disposed between the light emitting device 2 and the projection optical system 4. The optical device 3 comprises: a movable part 31 comprising a glass plate 30 (optical part) having a light incident surface 30a on which the image light LL is made incident; a shaft part 10 which supports the movable part 31 so that it can swing around a first swing axis J1; and an actuator 33 which makes the movable part 31 swing. A cross-sectional shape of the shaft part 10 viewed from a direction along the first pivot axis J1 is a shape having a plurality of recesses 13 which are inwardly concave.SELECTED DRAWING: Figure 5
Patent JP-2021157229-A (JP)
Title: Affinity determination system and affinity determination method
Inventor: NINO HIROTAKA
IPC: G06Q50/10
Filed: 2020-03-25
Abstract: To provide an affinity determination system and an affinity determination method for determining an affinity between two persons with reference to models with actually good affinity.SOLUTION: An affinity determination device 1 including a user DB, a spouse relation DB, a deposit/withdrawal details DB, and a deposit/withdrawal tendency DB receives S201 an affinity determination request sent from a user terminal 2, identifies S202 a determination applicant on the basis of an account number included in the affinity determination request, and identifies candidates for comparison target persons for the determination applicant using the user DB and the spouse relational DB, determines S207 similarity of deposit/withdrawal tendencies between each candidate of the determination target persons and a spouse of the comparison target person using the deposit/withdrawal tendency DB, and determines S209 an affinity degree between the determination applicant and the determination target person based on similarity of deposit/withdrawal tendencies between the determination applicant and the comparison target person, and the similarity of the deposit/withdrawal tendencies between the determination target person and the spouse of the comparison target person.SELECTED DRAWING: Figure 3
Patent JP-2021154573-A (JP)
Title: Ink jet recording device
Inventor: MATSUI SHINYA
IPC: B41J2/01
Filed: 2020-03-26
Abstract: To totally reduce a consumption amount of ink with flushing by executing flushing that secures a minimum level of an ink discharge performance for a nozzle that is not used in image formation while guaranteeing the ink discharge performance for a nozzle that is used in image formation to a recording medium.SOLUTION: A control unit of an ink jet recording device recognizes an opening located in a recording medium conveyance region having the same width as the width in the main-scanning direction of a recording medium placed on a conveyor belt as a first opening, recognizes an opening located in a non-conveyance region on the outer side in the main-scanning direction with respect to the recording medium conveyance region on the conveyor belt as a second opening, and causes a recording head to execute flushing such that a discharge interval in the sub-scanning direction of ink discharged to the second opening is longer than a discharge interval in the sub-scanning direction of ink discharged to the first opening from the recording head in flushing.SELECTED DRAWING: Figure 7
Patent JP-2021154216-A (JP)
Title: Washing/classification processing system for contaminated soil and washing/classification processing method for contaminated soil
Inventor: TSUCHIDA MITSURU
IPC: G21F9/30
Filed: 2020-03-27
Abstract: To provide a washing/classification processing system for contaminated soil capable of increasing a decontamination rate; and to provide a washing/classification processing method for the contaminated soil.SOLUTION: A washing/classification processing system 1 for contaminated soil comprises: a crushing machine 10 which crushes a contaminated soil A1 to which water W is added; a wet sieving machine 20 which classifies and processes a mixture A2 of the crushed contaminated soil A1 and the water W, and generates a slurry-like sediment A4 by separating a cobble A3; a classification machine 30 for classifying the slurry-like sediment A4 into a sand component A5 and a fine particle component A6 and processing them; two or more relay tanks 41 and 42 which are provided in the pre-stage of the classification machine 30, and deliver, as liquid, the slurry-like sediment A4 obtained by the wet sieving machine 20 to the classification machine 30; and a cation adding machine 51 which is provided in the pre-stage of the relay tank 41, and adds a cation I to the contaminated soil A1. The relay tanks 41 and 42 are arranged in series.SELECTED DRAWING: Figure 1
Patent JP-2021153911-A (JP)
Title: Sterilization method, and sterilization apparatus
Inventor: TAKAHASHI YUICHI
IPC: A61L2/20
Filed: 2020-03-27
Abstract: To provide a sterilization method capable of reducing a used amount of hydrogen peroxide while enhancing sterilization efficiency in whole sterilization treatment.SOLUTION: A method of sterilizing a sterilization target accommodated in a chamber 11 includes: a first steam injecting step S502 of injecting steam produced from a first aqueous solution of hydrogen peroxide into the chamber 11; an ozone injecting step S505 of injecting ozone gas into the chamber 11 after the first steam injecting step S502; and a second steam injecting step S507 of injecting steam produced from a second aqueous solution of hydrogen peroxide into the chamber 11 after the ozone injecting step S505. The total amount of the hydrogen peroxide contained in the second aqueous solution is equal to or less than the total amount of the hydrogen peroxide contained in the first aqueous solution.SELECTED DRAWING: Figure 5
Patent JP-2021157679-A (JP)
Title: Image generation device, method for generating image, and computer program
Inventor: AOYAMA YU
IPC: G09G5/14
Filed: 2020-03-30
Abstract: To allow a region of which video is needed to be stored in an arbitrary size, and to easily generate a still picture with an arbitrary size.SOLUTION: An image generation device includes: a video generation unit 41 for playing a video; a display unit 20 for displaying a video play window with a video display region for displaying a video played by the video generation unit; a region input unit 42 for receiving a user instruction to set the size of a storage target region in the range of videos in the video play window displayed in the display unit 20; and a still image generation unit 43 for displaying a fixed window in front of the video play window in an overlapping manner and displaying a video over the display region in the display region, the fixed window having a display region with a size which is fixed and corresponds to the size of the storage target region; a storage instruction input unit 44 for receiving a user instruction to store a video displayed in the display region of the fixed window as a still image; and a storage execution unit 45 for storing a still image in accordance with the user instruction.SELECTED DRAWING: Figure 2
Patent JP-2021158078-A (JP)
Title: Floodlight
Inventor: TODO TSUYOSHI
IPC: F21V11/02
Filed: 2020-03-30
Abstract: To provide a floodlight capable of suppressing glare felt by athletes in a stadium, and capable of securing sufficient brightness of the stadium.SOLUTION: A floodlight 1 comprises a plurality of light emitting elements, and is flooded and illuminated by light of each of the light emitting elements. In the light emitting element, a lens 42 having a total reflection paraboloid 50 for controlling the light of the light emitting element is provided for each light emitting element, and an angle α formed by a straight line LA that connects a maximum outer diameter part PM of a light emitting unit 44 of the light emitting element and an exit edge part 42T2E of the lens 42 and passes through an optical axis AM of the light emitting element, and the optical axis AM of the light emitting element is set within a range of 10 degrees and 35 degrees.SELECTED DRAWING: Figure 6
Patent JP-2021163374-A (JP)
Title: Operation management apparatus and operation management method of autonomous vehicle
Inventor: HIGASHIDE TAKAFUMI
IPC: G08G1/127
Filed: 2020-04-02
Abstract: To provide an operation management apparatus and an operation management method of autonomous vehicles, configured to flexibly modify an operation schedule in accordance with riding demand.SOLUTION: An operation schedule modification unit 61 of an operation management apparatus 10 for managing operation of a vehicle C can execute front-loaded modification processing, delay modification processing, and interrupt modification processing, as schedule modification processing for modifying a normal operation schedule. The schedule modification unit 61 executes one of the front-loaded modification processing, the delay modification processing, and the interrupt modification processing, on the basis of riding demand.SELECTED DRAWING: Figure 3
Patent JP-2020117718-A (JP)
Title: Method for producing fine cellulose fiber-containing dry solids, fine cellulose fiber-containing dry solids, fine cellulose fiber redispersion liquid
Inventor: HIASA SHO
IPC: D21H15/02
Filed: 2020-04-02
Abstract: To provide fine cellulose fiber-containing dry solids excellent in redispersibility in a solvent such as water and a simple method for producing fine cellulose fiber-containing dry solids, and to provide a fine cellulose fiber redispersion liquid which is excellent in transparency and viscosity characteristics.SOLUTION: Fine cellulose fiber-containing dry solids according to one aspect of the present invention contain fine cellulose fibers having a content of introduced sulfur atoms derived from sulfo groups of 0.5 mmol/g or more. A method for producing fine cellulose fiber-containing dry solids of the present invention includes a step of drying at a relatively low temperature under low pressure conditions. A fine cellulose fiber redispersion liquid of the present invention includes the fine cellulose fiber redispersion liquid and water and is excellent in redispersibility from the viewpoint of transparency, viscosity characteristics and precipitation characteristics.SELECTED DRAWING: Figure 1
Patent JP-2021163727-A (JP)
Title: Crimping unit, joint terminal, joint structure, manufacturing method of crimping unit, and manufacturing method of joint terminal
Inventor: SASAKI NAOTO
IPC: H01R4/20
Filed: 2020-04-03
Abstract: To perform crimping to an exposed conductor of an electric wire in a specified crimping state.SOLUTION: Crimping units 4A and 4B of a repair sleeve 1 having openings 2 into which an exposed conductor 101T of an electric wire 100 is inserted are provided with recesses 6 having a concave outer peripheral surface and an inner peripheral surface protruding inward in diameter. The exposed conductor 101T of an electric wire 100 is inserted into the crimping units 4A and 4B in which the volume of the space is reduced by the recess 6, the crimping can be performed in a predetermined crimping state by crimping. In particular, even when crimping is performed by a manual crimping device that tends to vary depending on an operator, the recess 6 can perform crimping in a predetermined crimping state.SELECTED DRAWING: Figure 7
Patent JP-2021165465-A (JP)
Title: Fitting lid for opening-forming structure
Inventor: OUE HIROKAZU
IPC: E03F5/06
Filed: 2020-04-06
Abstract: To provide a fitting lid for an opening-forming structure that can reduce a risk of theft.SOLUTION: A grating 30 comprises a lid body 40 and a main body fixing body 42. The main body fixing body 42 is for fixing the lid body 40 to a culvert 200 so as to cover an opening 240 of the culvert 200. The main body fixing body 42 has a contact body, a rocking body, and a connecting body. The rocking body can be rocked around a rocking axis. The rocking body can be rocked with the contact body. The rocking body separates a portion of the contact body opposite to an outer edge side of the lid body 40 as viewed from a position of the rocking axis and a through hole of the lid body 40.SELECTED DRAWING: Figure 1
Patent JP-2021168625-A (JP)
Title: METHOD OF DETECTING MUTANT tRNA Leu CAUSED BY ADENINE-TO-GUANINE MUTATION AT POSITION 3243 OF MITOCHONDRIAL DNA
Inventor: YAMADA YUMA
IPC: A61K31/7088
Filed: 2020-04-16
Abstract: To provide: a method of detecting mutant tRNA Leu caused by an adenine-to-guanine mutation at position 3243 of mitochondrial DNA; and a method of introducing mitochondrial tRNA Leu to a cell in which mutant tRNA Leu caused by an adenine-to-guanine mutation at position 3243 of mitochondrial DNA is detected.SOLUTION: Primers are found that may be advantageously used for detecting mutant tRNA Leu caused by an adenine-to-guanine mutation at position 3243 of mitochondrial DNA, and the primer set can be used to obtain the mutation rate, which is the rate of mutant tRNA Leu in all mitochondria. Also provided is a method of introducing wild-type tRNA Leu to a cell having mutant tRNA Leu.SELECTED DRAWING: None
Patent JP-2020110712-A (JP)
Title: Game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2020-04-24
Abstract: To provide a game machine capable of enhancing interest in a game in the game machine configured to be capable of changing a mode of hold display.SOLUTION: Performance execution means includes display mode change means capable of executing at least one display mode change from among a hold display mode change for changing a mode of hold display before execution of variation display of target holding storage and a variation correspondence display mode for changing a mode of variation correspondence display during execution of the variation display concerned at timing from among a plurality of pieces of timing during either a holding display period corresponding to target holding storage or a variation display period, and the display mode change means has a different selection ratio of timing for executing a display mode change according to whether a type of display of a change target is first specific display or second specific display differing from normal display.SELECTED DRAWING: Figure 28
Patent JP-2021171012-A (JP)
Title: Lamp primer and detection method for detecting potato cyst nematode
Inventor: SAKAI HIROMITSU
IPC: C12Q1/6888
Filed: 2020-04-28
Abstract: To provide a method for detecting or identifying potato cyst nematodes (Globodera pallida), which is an important pest of potatoes.SOLUTION: A method for detecting or identifying potato cyst nematode comprises a step of performing amplification reaction of a target nucleic acid region of potato cyst nematode by LAMP using a primer set for LAMP on a non-coding region partial sequence of a mitochondrial subgenome DNA (small circular mitochondrial DNA: scmtDNA) IV of potato cyst nematode.SELECTED DRAWING: None
Patent JP-2021173702-A (JP)
Title: Base material for producing sensor for analyzing detection target, sensor for analyzing detection target, and method of analyzing detection target
Inventor: TAKEUCHI TOSHIFUMI
IPC: G01N33/53
Filed: 2020-04-28
Abstract: To provide a measurement system which is capable of detecting detection targets, such as small extracellular vesicles, with high specificity and rapidity, and offers both high stability and improved binding activity.SOLUTION: A base material 10 for producing a sensor for analyzing a detection target is provided, comprising a base material 20 and a polymer membrane 30 provided on a surface of the base material 20. The polymer membrane 30 has a recess 31 for receiving a detection target, the recess 31 being provided therein with a signal substance biding base 32c and nucleic acid aptamer binding polynucleotide group 25b.SELECTED DRAWING: Figure 1
Patent JP-2020129133-A (JP)
Title: Display panel
Inventor: YAMAZAKI SHUNPEI
IPC: H01L51/50
Filed: 2020-04-30
Abstract: To provide a novel display panel which can be used as a reflective display panel in an environment with strong external light for example, and as a self-luminous display panel in a dim environment for example, consumes less power, and offers superior convenience or reliability.SOLUTION: A display panel provided herein comprises pixels and a substrate supporting the pixels. The pixels constitute a first display element (such as a reflective liquid crystal element) that uses a reflective film with openings as a first conductive film, and a second display element (such as an organic EL element) designed to emit light toward the openings.SELECTED DRAWING: Figure 3
Patent JP-2021173399-A (JP)
Title: Roots pump
Inventor: SHINODA FUMIYA
IPC: F04B39/00
Filed: 2020-04-30
Abstract: To improve corrosion resistance without enlargement in size.SOLUTION: A positioning groove 66 communicating with a groove inner peripheral surface 61 of a seal storage groove 60 is provided in an expansion part 47, and a positioning projection 55 protruding from a seal main body part 51 is disposed in the positioning groove 66, thereby positioning the seal main body part 51 within the seal storage groove 60. Thus, phase displacement in a seal member 50 with respect to the seal storage groove 60 is suppressed by disposing the positioning projection 55 in the positioning groove 66, such that a gap is hard to be generated between a groove outer peripheral surface 62 of the seal storage groove 60 and the seal member 50. As a result, saline water is hard to be stagnant in the gap between the groove outer peripheral surface 62 of the seal storage groove 60 and the seal member 50, thereby improving corrosion resistance of a housing 11 or the seal member 50.SELECTED DRAWING: Figure 3
Patent JP-2021175162-A (JP)
Title: Semiconductor device
Inventor: SHIOMICHI HIROTAKA
IPC: H03B5/32
Filed: 2020-04-30
Abstract: To provide a semiconductor device that is not easily affected by coupling noise of a clock signal generated by an oscillator circuit.SOLUTION: A semiconductor device reduces the excitation level of an oscillator circuit from a first excitation level to an N-th excitation level from the start until the end of i-th sampling of a sample and hold circuit. The semiconductor device returns the excitation level of the oscillator circuit to the first excitation level from the end of the i-th sampling of the sample and hold circuit until the start of i+1-th sampling of the sample and hold circuit.SELECTED DRAWING: Figure 4
Patent JP-2021175476-A (JP)
Title: Game machine
Inventor: UCHIDA SHOYA
IPC: A63F5/04
Filed: 2020-05-01
Abstract: To provide a game machine capable of securing a technical intervention in the game machine and enhancing a player's interest in game properties using a result of an internal lottery.SOLUTION: AT control means executes control pertaining to an auxiliary game based on winning of an identical specific winning mode when winning a winning area "watermelon 1" in an internal lottery and when winning a winning area "watermelon 2" in an internal lottery. In a game machine, when winning a winning area "watermelon 1", a rare winning combination A is won regardless of an operation mode of plural stop buttons. In the game machine, a rare winning combination B is won and a winning area "watermelon 2" is won when winning a winning area "watermelon 2" and plural stop buttons are operated in a predetermined operation mode, and no winning combinations are won when plural stop buttons are operated in an operation mode differing from the predetermined operation mode.SELECTED DRAWING: Figure 8
Patent JP-2021177134-A (JP)
Title: Imaging system and imaging method
Inventor: MURAKI HIROKAZU
IPC: G01C11/06
Filed: 2020-05-07
Abstract: To provide an imaging system by which photogrammetry may be performed by a single person while confirming a side lap on a spot without requiring an expert knowledge like a drone operation, and an imaging method using the same.SOLUTION: An imaging system is used for imaging the ground of an object range while securing a side lap between imaging courses, and includes image acquisition means, an attitude sensor, imaging position calculation means, imaging range calculation means, and display means. The imaging range calculation means calculates an "imaging range" based on the imaging attitude, the imaging position, and the specifications of the image acquiring means. The display means is means for displaying the "current imaging range" and the "acquired imaging range". The side lap can be confirmed by visually observing the current imaging range and the acquired imaging range.SELECTED DRAWING: Figure 5
Patent JP-2020156092-A (JP)
Title: System and method for transmitting data payload in wb sc, aggregate sc, duplicate sc, and ofdm transmission frames
Inventor: ALECSANDER EITAN
IPC: H04W28/06
Filed: 2020-05-13
Abstract: To provide a system and method for transmitting a data payload in WB SC, aggregate SC, duplicate SC, and OFDM transmission frames.SOLUTION: An embodiment includes: a processing system configured to generate a frame 300-330 having a preamble, a header, and a data payload, where the preamble, the header and the data payload are decodable by a first device when operating according to a first protocol, where the preamble and the header are decodable by a second device when operating according to a second protocol, where the data payload is not decodable by the second device when operating according to the second protocol; and an interface configured to output the frame for transmission.SELECTED DRAWING: Figure 3
Patent JP-2020116467-A (JP)
Title: Game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2020-05-15
Abstract: To provide a game machine capable of enhancing a presentation effect.SOLUTION: A game machine can display a specific display corresponding to a variable display in a mode with movement and can change a display mode of the specific display. Further, the game machine can perform a change suggestion presentation in which a change in the display mode of the specific display is suggested. According to a movement mode of the specific display when the change suggestion presentation is performed, the display mode of the specific display can be changed at a different rate. According to the movement mode of the specific display, the change suggestion presentation can be performed at a different rate.SELECTED DRAWING: Figure 76