baber/WOPTO huggingface dataset:
Patent JP-2021116372-A (JP)
Title: Polyimide precursor solution and method for producing porous polyimide film
Inventor: SASAKI TOMOYA
IPC: C08G73/10
Filed: 2020-01-28
Abstract: To provide a polyimide precursor solution which suppresses swelling or dissolution of resin particles even when being stored for a long period of time.SOLUTION: A polyimide precursor solution contains a polyimide precursor, resin particles having 55 mass% or more of a structural unit derived from a styrene derivative, and a mixed solvent containing a first organic solvent (S1) and a second organic solvent (S2), and satisfies the following conditions (1) to (4). Condition (1): mass ratio (S1/S2) of the first organic solvent (S1) to the second organic solvent (S2) of 50/50 or more and 90/10 or less. Condition (2): HSP distance between the first organic solvent (S1) and the resin particles of 11 or more and less than 16. Condition (3): HSP distance between the second organic solvent (S2) and the resin particles of 16 or more. Condition (4): HSP distance between the mixed solvent and the polyimide precursor of 12 or less.SELECTED DRAWING: None
Patent JP-2021116773-A (JP)
Title: Control device for compression self-ignition type internal combustion engine
Inventor: WAKIZAKA YOSHIFUMI
IPC: F02D41/40
Filed: 2020-01-29
Abstract: To provide a control device for a compression self-ignition type internal combustion engine capable of appropriately reducing not only knock noise in a resonant frequency of the compression self-ignition type internal combustion engine but also total combustion noise with respect to various operational states.SOLUTION: In the case where each time difference between a pilot peak angle position corresponding to pilot combustion and a main peak angle position corresponding to main combustion in peak positions of a crank angle differentiation value of an intra-cylinder pressure is defined as Δt and a peak height ratio that is a ratio of Hp and Hm which are respective crank angle differentiation values is defined as Hp/Hm, a control device comprises an operational state detection unit and a fuel injection control unit which calculates a target time difference (or a target time difference related amount) and a target peak height ratio corresponding to an operational state and controls at least injection timing and an injection amount of the pilot injection preceding to the main injection and injection timing and an injection amount of the main injection in such a manner that the time difference related amount based on Δt gets closer to the target time difference related amount and the Hp/Hm gets closer to the target peak height ratio.SELECTED DRAWING: Figure 14
Patent JP-2021119261-A (JP)
Title: Manufacturing method of scandium aluminium nitride powder, manufacturing method of target, and target
Inventor: NAKAMURA RYOTA
IPC: C04B35/581
Filed: 2020-01-30
Abstract: To provide a manufacturing method of a scandium aluminum nitride powder used for manufacturing a target suitable for depositing a scandium aluminum nitride film by a sputtering method, a manufacturing method of a target, and the target.SOLUTION: A manufacturing method of a scandium aluminum nitride powder used for manufacturing a sputtering target according to the invention includes the steps of: mixing scandium and aluminum at an element ratio of 10 - 70at%:90 - 30at% and melting them to obtain an alloy of scandium and aluminum (step S1); crushing the alloy obtained by melting to a powder state (step S2); and heating the alloy crushed to a temperature or more which starts at least either of a heat change or a weigh change in an atmosphere containing nitrogen to nitride the alloy (step S3).SELECTED DRAWING: Figure 1
Patent JP-2020136668-A (JP)
Title: Yttrium-added rare-earth permanent magnetic material and preparation method thereof
Inventor: LUO YANG
IPC: H01F1/059
Filed: 2020-02-03
Abstract: To provide a rare-earth permanent magnet material with excellent magnetic properties and a preparation method thereof, in which a TbCu7 metastable phase structure can be stabilized by adding Y without reducing a saturation magnetization.SOLUTION: A chemical formula of an Y-added rare-earth permanent magnet material is represented by (YRE)FeMNin atomic percentage. In the chemical formula, 0.05≤x≤0.4, 7≤a≤13, 0≤b≤3, 5≤c≤20, and the balance is Fe, namely, bal=100-a-b-c; RE represents a rare-earth element Sm, or a combination of the rare-earth element Sm and any one or more elements of Zr, Nd and Pr; M represents Co and/or Nb; and N represents a nitrogen element.SELECTED DRAWING: None
Patent JP-2021124046-A (JP)
Title: Diffuser structure of centrifugal compressor, and centrifugal compressor
Inventor: KAMISAKA NAOSHI
IPC: F04D29/44
Filed: 2020-02-04
Abstract: To improve diffuser performance in a centrifugal compressor.SOLUTION: A diffuser structure of a centrifugal compressor according to at least one embodiment of the present disclosure is a diffuser structure provided on the downstream side of an impeller of a centrifugal compressor, and comprises: a hub side wall; a shroud side wall surface that defines a diffuser flow path between itself and the hub side wall surface; and a partial guide vane provided on at least any one of the hub side wall surface and the shroud side wall surface. When a blade height of the partial guide vane is defined as a, and an axial height of the diffuser flow path is defined as H, the relation of 0.05H≤a≤0.20H is satisfied.SELECTED DRAWING: Figure 1
Patent JP-2021124417-A (JP)
Title: Concentration and radiation dose measuring instrument
Inventor: AONO YOSHIKI
IPC: G01T1/167
Filed: 2020-02-06
Abstract: To provide a concentration and radiation dose measuring instrument capable of measuring a concentration and a radiation dose easily.SOLUTION: A concentration and radiation dose measuring device 1 has a detection surface 3, a concentration sensor 11 that measures the concentration of a predetermined component of a sample placed on the detection surface 3, and a radiation sensor 12 that measures the radiation dose of the sample placed on the detection surface 3. The radiation sensor 12 measures the radiation dose in a non-contact manner through a radiation detection surface 4 that rises with the detection surface 3 as a bottom surface. The concentration and radiation dose measuring device 1 has an operation unit 5 that switches a concentration measurement, a radiation dose measurement and a measurement type composed of the concentration measurement and the radiation dose measurement, and when the measurement type of the concentration measurement and the radiation dose measurement is selected, measures the concentration and the radiation dose at the same time.SELECTED DRAWING: Figure 1
Patent JP-2021127356-A (JP)
Title: Thermoplastic resin composition
Inventor: HIBINO MICHIKO
IPC: C08L23/00
Filed: 2020-02-10
Abstract: To provide a thermoplastic resin composition for giving excellent seal strength.SOLUTION: There is provided a thermoplastic resin composition which comprises 51 to 76 mass% of component (A), 20 to 45 mass% of component (B) and more than 0 mass% and less than 5 mass% of component (C) based on the total 100 mass% of the components (A) to (C), Component (A): a polyolefin. Component (B): a polystyrene-based resin, Component (C): a styrenic thermoplastic elastomer composed of at least one block copolymer selected from the group consisting of a block copolymer having at least one polymer block P derived from a vinyl aromatic compound and at least one polymer block Q derived from a conjugated diene and a block copolymer obtained by hydrogenating the block copolymer in which the total ratio of a diblock copolymer contained in the block copolymer is 20 mass% or more.SELECTED DRAWING: None
Patent JP-2021128056-A (JP)
Title: Method for adjusting centering and leveling of tapered workpiece
Inventor: YASUNO MADOKA
IPC: G01B5/00
Filed: 2020-02-13
Abstract: To provide a method for adjusting centering and leveling of a tapered workpiece, with which it is possible to simply and accurately perform the centering and leveling of a tapered workpiece.SOLUTION: A method for adjusting centering and leveling of a tapered workpiece includes: installing a tapered workpiece on a rotary table and acquiring shape data of the tapered workpiece with a probe at 0°, 90°, 180° and 270° angle positions, respectively; and adjusting the centering and leveling of the tapered workpiece on the basis of shape data at the 0°, 90°, 180° and 270° angle positions.SELECTED DRAWING: Figure 8
Patent JP-2021127393-A (JP)
Title: Method for inhibiting polymerization of polyester into higher molecular weight
Inventor: NAGAI HIDEYUKI
IPC: C08L67/06
Filed: 2020-02-14
Abstract: To inhibit a polycondensation product of a ricinoleic acid containing a prescribed metal component and a derivative, etc. from gradually increasing a molecular weight even at a low temperature, so as to prevent a potential problem in such a polymer in view of morphological stability, moldability, etc.SOLUTION: A polyester polymerizing a material containing one kind of a ricinoleic acid containing a prescribed metal component and a derivative thereof, hindered phenol and a prescribed secondary amine compound are simultaneously used to obtain a polyester composition with a stable molecular weight in a low temperature such as a room temperature.SELECTED DRAWING: None
Patent JP-2020153053-A (JP)
Title: Manufacturing method of fake hair, fake hair, and hairdressing technique practicing tool
Inventor: KUBO YOSHIAKI
IPC: A41G3/00
Filed: 2020-02-17
Abstract: To provide a manufacturing method of fake hair that has close properties to human hair for cutting and winding and such, is useful for learning basic skills such as correct cutting and winding and such in the hair dressing techniques effectively, inexpensively in a short time, and reduces financial burden to the people who desire to learn the hair dressing techniques by reducing the use amount of human hair, and to provide the fake hair and a hair dressing technique practicing tool.SOLUTION: Fake hair 10 is manufactured by performing shrinkage prevention processing onto wool yarn 13 mainly consisted of animal hair. The fake hair 10 has the wool yarn 13 mainly consisted of animal hair and a shrinkage prevention layer that is a coated outside surface of the wool yarn 13. A hair dressing technique practicing tool 11 has an attachment part 18 that is attached to a part to be attached 28 provided on a head model 12 in a detachable manner, and one side in the longer direction of the multiple juxtaposed fake hair 10 is held by the attachment part 18.SELECTED DRAWING: Figure 2
Patent JP-2021134161-A (JP)
Title: Composition comprising polyion complex having positive charge
Inventor: DU YAO
IPC: A61K8/55
Filed: 2020-02-26
Abstract: To provide a composition comprising a polyion complex capable of imparting a texture improved in both smoothness and softness to a keratin fiber such as hair.SOLUTION: There are provided a composition, preferably a cosmetic composition, and more preferably a cosmetic composition for a keratin fiber such as hair which comprises: (a) at lease one polyion complex containing at least one ionic polymer selected from the group consisting of a cationic polymer, an anionic polymer, an amphoteric polymer, and a mixture thereof, and at least one crosslinking agent selected from the group consisting of a non-polymer acid having two or more pKa values or a salt thereof, a non-polymer base having two or more pKa values or a salt thereof, and a mixture thereof: and (b) water, in which the amount of positive charge of the polyion complex (a) is larger than the amount of negative charge of the polyion complex (a). The composition can impart a texture improved in both smoothness and softness to a keratin fiber.SELECTED DRAWING: None
Patent JP-2020080573-A (JP)
Title: Device and method
Inventor: TAKANO HIROAKI
IPC: H04W72/04
Filed: 2020-02-26
Abstract: To allow less interference of directional beams between cells.SOLUTION: A device includes an acquisition unit that acquires information provided by a peripheral base station of a base station, which is information on a directional beam that is an interference source for a terminal device connected to the peripheral base station from among a plurality of directional beams that the base station can form, and a control unit that determines the operation of the base station regarding the transmission of a signal by the directional beam on the basis of the information.SELECTED DRAWING: Figure 11
Patent JP-2020078664-A (JP)
Title: Game machine
Inventor: TSUZUKI KIYOTAKA
IPC: A63F7/02
Filed: 2020-02-28
Abstract: To enhance amusement property of presentations using a movable member, in a game machine including the movable member.SOLUTION: A game machine 1 includes: a movable member 10 for being operated in a predetermined range; and movable notice performance means for suggesting a probability of a winning/losing determination to become a winning by a generation frequency of a movable notice in which the movable member 10 is operated, when notifying a result of a winning/losing determination, till a notification of the result of the winning/losing determination is completed. The game machine may include notice frequency display means which displays to a player as if the movable notice has an equal value with a continuation notice which is a notice informing that identification symbols which were stopped or temporarily stopped will start a variation again.SELECTED DRAWING: Figure 4
Patent JP-2021140237-A (JP)
Title: Road repair assist system, road repair assist method, and computer program
Inventor: TAKEI HIROICHI
IPC: G06Q50/08
Filed: 2020-03-02
Abstract: To assist efficient repair for a road.SOLUTION: A road repair assist system 18 acquires integrity of a road surface of each of a plurality of sections of a road from a road surface condition investigation system 14. The road repair assist system 18 acquires a traffic volume of each of the plurality of sections from a flow line analysis system 16. The road repair assist system 18 calculates utility of each of the plurality of sections of the road on the basis of the integrity of the road surface and the traffic volume of each of the plurality of sections. The road repair assist system 18 determines a section to be repaired on the basis of the utility of the plurality of sections of the road.SELECTED DRAWING: Figure 1
Patent JP-2020147037-A (JP)
Title: Liquid discharge device, liquid discharge device control method and liquid discharge device control program
Inventor: KAWAGUCHI TAKASHI
IPC: B41J2/01
Filed: 2020-03-02
Abstract: To provide a liquid discharge device and so on which can realize printing with a high productivity.SOLUTION: A liquid discharge device comprises a print data creation part, and a printing control part. The print data creation part creates first print data for executing first printing with use of a reference discharge quantity and a required liquid discharge quantity, and second print data for executing second printing including skip processing for skipping liquid discharge by a discharge part, by use of the reference discharge quantity of the discharge part for discharging a liquid and the liquid discharge quantity at each position which is required for printing of a print object area. The printing control part controls the discharge part by use of the first print data and the second print data, and executes the first printing and the second printing with respect to the print object area.SELECTED DRAWING: Figure 7
Patent JP-2021140095-A (JP)
Title: Optical film manufacturing method
Inventor: KOMINE Takuya
IPC: G02B5/30
Filed: 2020-03-09
Abstract: To provide a film which, as a reverse wavelength dispersion film, stably exhibits a high phase difference even in a hot and humid environment from the standpoints of process adaptability and endurance reliability.SOLUTION: Provided is an optical film manufacturing method comprising: a stretching step for stretching a long-sized resin composition film containing 30 to 99 wt.% of a specific cellulose resin and 1 to 70 wt.% of a polyester resin in the width direction while conveying it in the longitudinal direction; and a contraction step for contracting in the width direction after the stretching step. Both of a temperature (T1) in the stretching step and a shrinkage temperature (T2) in the contraction step, with respect to the glass transition temperature (Tg) of the resin composition film, are within the temperature range (Tg-60) to (Tg+20)°C.SELECTED DRAWING: None
Patent JP-2021138893-A (JP)
Title: Water-based ink composition for marking pens and marking pen
Inventor: NAKATA YUSUKE
IPC: B43K8/02
Filed: 2020-03-09
Abstract: To provide a water-based ink composition for marking pens that can suppress formation of hard cake, and a marking pen.SOLUTION: A water-based ink composition for marking pens contains titanium oxide, and ditridecyl sulfosuccinic acid. The content of the ditridecyl sulfosuccinic acid is preferably 0.1 mass% or more and 6.0 mass% or less relative to the total amount of the water-based ink composition for marking pens.SELECTED DRAWING: None
Patent JP-2021141786-A (JP)
Title: Grommet and wire harness
Inventor: TSUKIMORI NAOTO
IPC: H02G3/22
Filed: 2020-03-09
Abstract: To provide a grommet which can achieve improvement of sound insulation with a small number of components, and to provide a wire harness.SOLUTION: In a grommet 10, a first grommet part 20 has: a first lid part 40 which covers a through hole 16; a first cylinder part 42 protruding from the first lid part 40; and a first opening 53 which allows a second grommet part 22 and the first cylinder part 42 to communicate with each other. The second grommet member 22 has: a second lid part 56 which covers the first opening 53; a second cylinder part 58 protruding from the second lid part 56; and a second opening 67 which allows the first grommet member 20 and the second cylinder part 58 to communicate with each other. An inner member 18 has: a first holding part 28 which holds the first grommet part 20; a second holding part 34 which holds the second grommet member 22; and an engagement part 32 which may engage with a second surface 14b of an attached body 14. The first grommet member 20 and the second grommet member 22 may be attached to the attached body 14 through the inner member 18.SELECTED DRAWING: Figure 2
Patent JP-2021144993-A (JP)
Title: Semiconductor device
Inventor: YAMADA ATSUSHI
IPC: H01L29/812
Filed: 2020-03-10
Abstract: To provide a semiconductor device capable of reducing an on-resistance.SOLUTION: A semiconductor device includes a base of a first nitride semiconductor, a buffer layer of a second nitride semiconductor provided above the base, a channel layer of a third nitride semiconductor formed with an opening and provided above the buffer layer, a barrier layer of a fourth nitride semiconductor formed above the channel layer, and a contact layer of a conductive fifth nitride semiconductor provided in the opening and contacted to the buffer layer and the channel layer. An Al composition of the second nitride semiconductor is equal to or higher than an Al composition of the third nitride semiconductor. Al compositions of the first nitride semiconductor and the fourth nitride semiconductor are higher than the Al composition of the second nitride semiconductor.SELECTED DRAWING: Figure 4
Patent JP-2021145418-A (JP)
Title: Linear motor
Inventor: TAKETOMI MASAKI
IPC: H02K41/03
Filed: 2020-03-10
Abstract: To provide a linear motor which can maintain large thrust even at high speed in a work area.SOLUTION: A linear motor 1 is constituted by oppositely arranging a needle 2 arranged with a plurality of permanent magnets 21 and a stator 3 formed by winding a coil 33 around each of a plurality of magnetic pole teeth 32. A movable area of the needle 2 has: a work area in which processing to a processing object is performed; and a conveyance area for conveying the processing object to the work area, and the number of windings of the coil 33 corresponding to the conveyance area is less than the number of windings of the coil 33 corresponding to the work area.SELECTED DRAWING: Figure 2
Patent JP-2021144369-A (JP)
Title: Data processing apparatus and data processing method
Inventor: SENDA YOSHIHIRO
IPC: G06F9/44
Filed: 2020-03-11
Abstract: To provide an environment which allows programming to be carried out by using only an input device with minimum functions.SOLUTION: According to the present invention, a graph format of a data flow graph is employed as an expression format for a program, and each command and option is surrounded with closed regions, thereby exchanging data between adjacent closed regions. Input and edition of a graph format is carried out only with designation of positions on a screen and designation of several kinds such as a single click and a double click.SELECTED DRAWING: Figure 7
Patent JP-2021142607-A (JP)
Title: Working tool
Inventor: KATO SHUN
IPC: B25F5/00
Filed: 2020-03-12
Abstract: To provide a working tool capable of carrying out suitable control with high safety according to the skill difference of users.SOLUTION: An electric tool 10 is equipped with a body portion 11, a power supply portion 18b, a motor 17, a voltage detecting portion 18ba, a temperature sensor 18bb, and a control portion 16. The power supply portion 18b supplies power. The motor 17 drives a tip end tool with power supplied from the power supply portion 18b. The voltage detecting portion 18ba and the temperature sensor 18bb detect information (change in voltage from an initial voltage, temperature change) on the power supply portion 18b during working. The control portion 16 controls the operation of the motor 17 according to a skill level of a user estimated on the basis of the voltage change or temperature change of the power supply portion 18b detected by the voltage detecting portion 18ba and the temperature sensor 18bb.SELECTED DRAWING: Figure 3
Patent JP-2020173249-A (JP)
Title: Timepiece dial device
Inventor: DANIEL FIAMMINGO
IPC: G04B19/10
Filed: 2020-03-18
Abstract: To provide a dial device comprising an applique fitted on a dial in a repeatable, reliable and perpetual manner.SOLUTION: A dial device includes at least one applique 1 and a dial provided with an opening 24 to receive the applique 1. The dial includes at least one first element 20a for positioning and/or securing. The at least one applique 1 comprises at least one second element 10a, 10b for positioning and/or securing cooperating with the at least one first element. The device comprises dial-applique interface surfaces 12, 22 which are arranged in a thickness e2 of the dial.SELECTED DRAWING: Figure 4
Patent JP-2021150516-A (JP)
Title: Capacitor unit and power conversion device
Inventor: NARUMI NORITOSHI
IPC: H01G4/32
Filed: 2020-03-19
Abstract: To provide a capacitor unit that can suppress wire sway.SOLUTION: A capacitor unit 100 includes capacitor elements 21 and 22 with electrodes on both ends, and a housing 10 for accommodating the capacitor elements 21 and 22. The housing 10 is provided with a wire clamp portion 30 on the housing side wall s1 facing the side wall connected to the electrodes of the capacitor elements 21 and 22. The wire clamp portion 30 is a portion that holds the wire. Further, the wire clamp portion 30 is provided on the side wall s1 of the housing at a position where the center of the wire clamp portion 30 is deviated from the element center which is the center between the electrodes of the capacitor elements 21 and 22.SELECTED DRAWING: Figure 1