baber/WOPTO huggingface dataset:
Patent JP-2021194732-A (JP)
Title: Machine tool and depressurizing method
Inventor: KUBO MOTOKI
IPC: B23Q11/10
Filed: 2020-06-12
Abstract: To provide a machine tool etc. which can prevent a coolant from spouting in removal of a coolant passage.SOLUTION: A machine tool discharges a coolant from a tool 3 attached to a spindle 2 and includes: a tank 50 which stores the coolant; a pump 51 which supplies the coolant stored in the tank 50; a coolant passage 53 which connects a spindle passage 25 provided in the spindle 2 with the pump 51 and in which the coolant flows; a coolant valve 54 provided at the coolant passage 53; a first drive part which drives the coolant valve 54 when the coolant is discharged; and a second drive part which drives the coolant valve 54 when the coolant passage 53 is depressurized. The spindle passage 25 is connected to a tool passage 33 provided at the tool 3.SELECTED DRAWING: Figure 3
Patent JP-2021196507-A (JP)
Title: Toner and toner storage unit
Inventor: SASAI ATSUSHI
IPC: G03G9/097
Filed: 2020-06-15
Abstract: To provide a toner that can provide a stable image without the occurrence of filming due to photoreceptor contamination and image abnormality due to uneven glossiness and hot offset.SOLUTION: A toner contains at least a binder resin and a mold release agent. The amount of the mold release agent extracted by hexane is 31 mg/g or more and 95 mg/g or less. The intensity ratio (P2850/P828) of a peak derived from the mold release agent (P2850) to a peak derived from the binder resin (P828) of the toner at 25°C determined by a FTIR-ATR (attenuated total reflectance Fourier transform infrared spectroscopy) method is 0.05 or less.SELECTED DRAWING: None
Patent JP-2021055525-A (JP)
Title: Fixture and wall structure
Inventor: SAWADA YOHEI
IPC: E04F13/08
Filed: 2020-06-18
Abstract: To provide a wall structure having high strength and capable of supporting a wall material stably, and a fixture to be used in the wall structure.SOLUTION: The wall structure comprises a fixture 10 for fixing a wall material 2 to a structure body 8. The fixture 10 comprises a substrate part 15, a swelled part 30 swelled from the substrate part 15 and extending in a longitudinal direction, an abutting surface 31 abutting a back surface of the wall material 2 and a locking part 13 for locking the wall material 2, the swelled part 30 has the swelled parts 30E, 30F, the substrate part 15 comprises an end side stationary part 17 at the end side in the longitudinal direction, the longitudinal direction and a lower part of the end side stationary part 17 are enclosed by the swelled parts 30, 30E, 30F and an inside swelled part 30F adjacent with the end side stationary part 17 inside among the swelled parts 30E, 30F is inclined so that a width in the longitudinal direction is enlarged as it approaches the locking part 13. In the wall structure, the fixture 10 supports the wall material 2 by the locking part 13 in the state that the end side stationary part 17 at one end side is fixed and the end side stationary part 17 at other side is not fixed to the structure body 8.SELECTED DRAWING: Figure 5
Patent JP-2020156111-A (JP)
Title: System and method for adaptive buffering for digital video streaming
Inventor: SURI AMIT BHIMSEN
IPC: H04N21/433
Filed: 2020-06-24
Abstract: To provide a suitable system and method for adaptive buffering for digital video streaming.SOLUTION: A system and a method for adaptive buffering in accordance with embodiments of the invention enable reduced minimum buffer time. One embodiment includes a playback device comprising a memory; a network interface; and a processor that reads instructions stored in the memory. The instructions direct the processor so as to: download digital video content in a buffer of the playback device; receive minimum buffer time from the digital video content; playback the digital video content at slow motion speed by using the playback device; reduce the minimum buffer time by a slow motion playback speed factor; continue playing the digital video content at the slow motion speed until the reduced minimum buffer time is reached by using the playback device; and play the digital video content at speed faster than the slow motion speed once the minimum buffer time is reached by using the playback device.SELECTED DRAWING: Figure 1
Patent JP-2022006411-A (JP)
Title: Integrating sphere and spectral transmittance measurement device
Inventor: SHOJI SHUSUKE
IPC: G01J3/36
Filed: 2020-06-24
Abstract: To provide an integrating sphere for preventing emission light from being expanded, and also to provide a spectral transmittance measurement device including the integrating sphere.SOLUTION: An integrating sphere 2 is means for fixing light intensity by performing diffuse reflection of a light flux to be used in a spectral transmittance measurement device 1. An incidence port 7 for incidence of a light flux from an outside is formed in a part of a wall part constituting a spherical inner wall surface 6. An emission passage communicating with an outside is arranged at a position different from that of the incidence port 7. The emission passage is an inner portion of a light shielding cylinder 8 attached to a position of an opening part communicating with an outside of the wall part, and an inner surface of the light shielding cylinder 8 is colored with black.SELECTED DRAWING: Figure 1
Patent JP-2020193199-A (JP)
Title: Compounds and methods for reducing tau expression
Inventor: HOLLY KORDASIEWICZ
IPC: A61K48/00
Filed: 2020-06-26
Abstract: To provide compounds, methods and pharmaceutical compositions for reducing the amount or activity of tau mRNA in cells or animals.SOLUTION: Disclosed is a modified oligonucleotide comprising a 5' wing segment comprising five 2'-MOE nucleosides, a central gap segment comprising eight 2' -deoxynucleosides, a 3' wing segment comprising five 2'-MOE nucleosides in a nucleic acid sequence 5'-CCGTTTTCTTACCACCCT-3', where respective cytosines are 5-methylcytosine, the internucleoside-linkages are sossssssssssssoss from 5' to 3', each s is a phosphorothioate linkage and each o is a phosphodiester linkage.SELECTED DRAWING: None
Patent JP-2021011474-A (JP)
Title: Manufacturing method of fluorinated vinyl compound
Inventor: ETO YUSUKE
IPC: C07C21/18
Filed: 2020-07-02
Abstract: To provide a method capable of obtaining a fluorinated vinyl compound at high yield and high selectivity.SOLUTION: Under the presence of alkali metal fluoride, a fluorinated vinyl compound is obtained which expressed by CHR1=CFR2 [In the formula, R1 denotes a hydrogen atom, a halogen atom, an alkyl group or a fluoroalkyl group. R2 denotes a halogen atom, an alkyl group or a fluoroalkyl group. Where, when R2 denotes a fluoroalkyl group, R1 denotes a halogen atom, an alkyl group or a fluoroalkyl group.] by reacting a halogenated vinyl compound which is expressed by CHR1=CXR3 [In the formula, R1 denotes a hydrogen atom, a halogen atom, an alkyl group, or a fluoroalkyl group. R3 denotes a halogen atom, an alkyl group, or a fluoroalkyl group. Where, when the R3 is a fluoroalkyl group, R1 is a halogen atom, an alkyl group, or a fluoroalkyl group. X denotes a halogen atom other than a fluorine atom.].SELECTED DRAWING: None
Patent JP-2020178359-A (JP)
Title: Data management system
Inventor: GOI KOICHI
IPC: G06Q20/18
Filed: 2020-07-07
Abstract: To allow data from a plurality of devices to be transmitted without requiring a process of converting it into a specific data format when transmitting the data from the plurality of devices to one device.SOLUTION: A data management system includes: a data acquisition unit that includes a communication interface compatible with a target apparatus and acquires data from the target apparatus; a transmission unit that transmits the data acquired from the target apparatus; a reception unit that receives data transmitted by the transmission unit; and a data restoration unit that performs a restoration process on the data received by the reception unit based on a data restoration method determined for the target apparatus.SELECTED DRAWING: Figure 1
Patent JP-2021012199-A (JP)
Title: Test measurement device and method for measuring performance of device under test
Inventor: U N VASUDEV
IPC: G01R31/34
Filed: 2020-07-08
Abstract: To measure performance of a DUT based on DQ 0 information.SOLUTION: A test measurement device 40 includes an interface 42 for capturing an analog three-phase signal from a device under test (DUT) and a processor 44. The processor 44 performs DQ0 conversion based on the analog three-phase signal to generate a DQ0 signal. Based on the DQ0 signal, performance of the DUT is measured, such as a ripple, a peak-to-peak amplitude, a DC average value of a DQ0 component, a fast Fourier transform plot of the DQ0 component, magnitude of D and Q, a harmonic measurement value, jitter analysis, and total power of the DQ0.SELECTED DRAWING: Figure 3
Patent JP-2021190411-A (JP)
Title: Fuel cell system
Inventor: TOIDA SEIJI
IPC: H01M8/04
Filed: 2020-07-09
Abstract: To propose a technique for a scavenging method to prevent freezing of a fuel cell system.SOLUTION: A fuel cell system includes: a fuel cell; a target component provided in a flow path of reaction gas supplied to the fuel cell; a plurality of temperature acquisition units that acquire temperatures of a plurality of reference components that are different from the target component; and a control unit that controls the fuel cell system. The control unit executes scavenging processing of estimating a plurality of estimated outside air temperatures by using the temperatures of the plurality of reference components acquired by the plurality of temperature acquisition units, estimating the estimated minimum temperature of the target component by using the lowest estimated outside air temperature among the plurality of estimated outside air temperatures, and discharging water from the flow path of reaction gas when the estimated minimum temperature of the target component is predicted to be a predetermined temperature or lower after the operation of the fuel cell system is stopped.SELECTED DRAWING: Figure 2
Patent JP-2022015862-A (JP)
Title: Shutter shaft holding structure of adapter with shutters
Inventor: SATO TAKASHI
IPC: G02B6/36
Filed: 2020-07-10
Abstract: To provide a shutter shaft holding structure of an adapter with shutters, which allows abutting ends of two upper and lower shutters to be firmly and always held and closed at an accurate position.SOLUTION: An adopter includes shutter members 6a, 6b at an insertion port for connecting both male and female plugs to each other. U-shaped arms 3a, 3b are provided at the adapter in a facing and protruding manner and engagement recesses 4a, 4b are provided at upper and lower portions on a tip side in each arm. Shutter shafts 5a, 5b of the shutter members are pivotally attached to the engagement recesses and held by a cover 8 covering the arms with its pressure.SELECTED DRAWING: Figure 1
Patent JP-2022016745-A (JP)
Title: Component mounting device and component mounting method
Inventor: KOBAYASHI ISASHIGE
IPC: H05K13/04
Filed: 2020-07-13
Abstract: To efficiently derive an amount of deviation between a mounting position and a target position.SOLUTION: A component mounting device includes: an operation parameter acquisition unit that acquires an operation parameter of a mounting head; a mounting deviation amount calculation unit that calculates a mounting deviation amount that indicates a deviation amount between the mounting position and the target position of a component mounted on a board by the mounting head; a learning model generation unit that generates a learning model using the operation parameter as input and a deviation amount between the mounting position and the target position as output on the basis of leaning data indicating a relationship between the operation parameter and the mounting deviation amount; an estimation unit that inputs an operating parameter to the learning model and outputs an estimated deviation amount that indicates an estimated value of the deviation amount between the mounting position and the target position; and an operation command unit that outputs an operation command for operating the mounting head such that the component is mounted at the target position on the basis of the estimated deviation amount.SELECTED DRAWING: Figure 4
Patent JP-2022024669-A (JP)
Title: Soldering component and board assembly
Inventor: HASHIGUCHI TORU
IPC: H05K1/18
Filed: 2020-07-28
Abstract: To provide a soldering component that is stable and self-supporting on a substrate during soldering even when a main body has a tall structure.SOLUTION: A soldering component 1 includes a main body 10 mounted on a substrate, and an auxiliary portion 30 extending from the main body 10. The main body 10 includes two specific soldering portions 18. The auxiliary portion 30 includes one substrate contact portion 32 and a connecting portion 34. The connecting portion 34 connects the substrate contact portion 32 and the main body 10. In a plane parallel to a substrate mounting plane, a boundary between the connecting portion 34 and the main body 10 is located away from the substrate contact portion 32. The connecting portion 34 is separable from the main body 10 at the boundary between the connecting portion 34 and the main body 10.SELECTED DRAWING: Figure 1
Patent JP-2022028317-A (JP)
Title: Diterminally amine-modified perfluoropolyether compound and preparation method thereof, and liquid-repelling composition, cured product and coated substrate that contain the same
Inventor: KAWAKAMI MASAHITO
IPC: C08G65/333
Filed: 2020-08-03
Abstract: To provide a diterminally amine-modified perfluoropolyether compound which exhibits good solubility.SOLUTION: The invention provides diterminally amine-modified perfluoropolyether compounds represented by a general formula (1) in the figure (where Rf represents a perfluoropolyether group; each R1 independently represents an unsubstituted divalent hydrocarbon group having 1 to 10 carbon atoms; R2, R3 and R4 each independently represent a substituted or unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms; each R5 independently represents an unsubstituted divalent hydrocarbon group having 1 to 10 carbon atoms; each R6 independently represents a hydrogen atom or a substituted or unsubstituted monovalent hydrocarbon group which has 1 to 50 carbon atoms and may include at least one O, N, S or Si atom; each m is independently 0, 1 or 2; and each n is independently an integer from 0 to 8).SELECTED DRAWING: None
Patent JP-2022029013-A (JP)
Title: Silicon carbide cylindrical body and method for producing silicon carbide cylindrical body
Inventor: MAEDA KEISUKE
IPC: B28B3/20
Filed: 2020-08-04
Abstract: To provide a silicon carbide cylindrical body in which occurrence of lamination is suppressed, and a method for producing a silicon carbide cylindrical body which suppresses occurrence of lamination.SOLUTION: A method for producing a silicon carbide cylindrical body that is made of a sintered body includes: a mixing step (S1) of mixing silicon carbide (SiC) as a raw material with at least a binder, a sintering aid and water with a mixer; a kneading step (S2) of kneading powder of the raw material mixed by the mixing step, and obtaining a clay-like green body; an extrusion molding step (S3) of extrusion molding the green body kneaded in the kneading step, and obtaining a molding; and a step (S4) of sintering the extrusion molded molding, in which the kneading step (S2) kneads the raw material by a biaxial kneading extruder, and forming a clay-like green body.SELECTED DRAWING: Figure 2
Patent JP-2021025054-A (JP)
Title: Adhesion improving agent and adhesive obtained using the same
Inventor: IMAI MASATO
IPC: C08G63/668
Filed: 2020-08-05
Abstract: To provide an adhesive having excellent adhesion.SOLUTION: An adhesion improving agent expressed by the general formula (1) is a half esterified compound comprising 1 mol of an aromatic tetracarboxylic dianhydride and 2 mol of a divalent hydroxyl group-containing compound and has an acid value of 15-350 mgKOH/g. [In the formula (1), X1 and X2 are each a residue obtained by removing one hydrogen group from the divalent hydroxyl group-containing compound, wherein X1 and X2 are identical to or different from each other; and Y is a residue obtained by removing all carboxyl groups from an aromatic tetracarboxylic acid, wherein an aromatic ring in Y is formed with carbon atoms. A substituent other than the carboxyl group and/or a halogen atom may be bonded to the carbon atoms, to at least one of which the substituent is not bonded].SELECTED DRAWING: None
Patent JP-2020191152-A (JP)
Title: 2t1c ferro-electric random access memory cell
Inventor: JOSEPH S TANDINGAN
IPC: G11C11/22
Filed: 2020-08-07
Abstract: To provide a ferro-electric memory that improves a signal margin.SOLUTION: A memory cell 102 includes: an access transistor 106 coupled between a bit-line BL and a storage node SN and controlled by a first wordline WL1; a reference transistor 10 coupled between a reference line BLB and the storage node SN and controlled by a second wordline WL2; and a ferro-capacitor 104 coupled between the storage node SN and a plateline. The memory cell is configured and operated to generate a bit-level reference, a first voltage pulse is applied to the plateline during a read cycle for the data pulse, and a second voltage pulse serves as a reference pulse and as a clear pulse.SELECTED DRAWING: Figure 1
Patent JP-2022030885-A (JP)
Title: Cellulose/magnetic substance composite particle and method for producing the same
Inventor: OGI TAKASHI
IPC: C08J3/12
Filed: 2020-08-07
Abstract: To improve collectiveness of cellulose particles composed of cellulose nanofibers.SOLUTION: Cellulose/magnetic substance composite particles are provided which are formed of cellulose nanofibers and include magnetic substance particles. The cellulose/magnetic substance composite particle may have in the surface thereof a plurality of holes that are removal marks of template particles. The cellulose/magnetic substance composite particles can be used as an adsorbent. The cellulose/magnetic substance composite particles can be produced by spraying and drying a fluid dispersion including cellulose nanofibers and magnetic substance particles. The cellulose/magnetic substance composite particles can be collected using a magnet from the liquid with the particles dispersed therein.SELECTED DRAWING: Figure 1
Patent JP-2022032321-A (JP)
Title: Measuring device, measuring system, determination method, and determination program
Inventor: TAWARA JUNICHIRO
IPC: G01N21/87
Filed: 2020-08-11
Abstract: To provide a measurement device, a measurement system, a determination method, and a determination program that can objectively evaluate the gloss of a pearl.SOLUTION: A measuring device 1 includes an installation unit 21 for installing a pearl, a covering part that covers the pearl installed in an installation part and has a pattern including two colors with different brightness on the installation part side, and a light source 30 that projects the pattern onto the pearl. The measuring system includes the measuring device described above, an acquisition unit for acquiring image data P of the pearl on which the pattern is projected, a generating unit for generating a histogram of the brightness of the image data, and a determination device 2 provided with an output unit that outputs an evaluation value that positively correlates with the dispersion value of the histogram.SELECTED DRAWING: Figure 1
Patent JP-2022033082-A (JP)
Title: Work machine
Inventor: ABE TAIKI
IPC: F15B11/02
Filed: 2020-08-15
Abstract: To provide a work machine which can prevent the reduction in the work efficiency due to excessive engine drop and the occurrence of a feeling in which the travel force reduces in the recovery from the engine drop.SOLUTION: A work machine comprises: an engine; a travel pump which actuates with the power of the engine and discharges hydraulic oil; a travel motor which can rotate with the hydraulic oil discharged by the travel pump; an operation valve which can change the pilot pressure of pilot oil output to the travel pump according to the operation of an operation member; an actuation valve which can actuate with a control signal and change the primary pressure being the pilot pressure of the pilot oil supplied to the operation valve; a control device which sets the control signal output to the actuation valve; and a pressure detection device which detects the secondary pressure being the pilot pressure output by the operation valve. The control device includes a setting change part which changes the setting of the control signal output to the actuation valve on the basis of the primary pressure and the secondary pressure.SELECTED DRAWING: Figure 5
Patent JP-2022034731-A (JP)
Title: Optical element, light source device, image display device, and projector
Inventor: UEHARA KATSUYUKI
IPC: H04N5/74
Filed: 2020-08-19
Abstract: To provide an optical element with which it is possible to form a plurality of partial irradiation regions which are virtually free of uneven illuminance and are spaced apart from each other on the object to be illuminated.SOLUTION: An optical element pertaining to the present invention comprises a first multi-lens surface where m regions are arranged in an array, and a second multi-lens surface where m second cells are arranged in an array in correspondence to the m regions. Light is entered to the first multi-lens surface, and light is emitted from the second multi-lens surface. Each of the m regions of the first multi-lens surface has n first cells, and the focus plane of the m second cells is at a position closer to the emission side than the n first cells, m being a natural number of 2 or greater, and n being a natural number of 2 or greater.SELECTED DRAWING: Figure 3
Patent JP-2022038388-A (JP)
Title: Catcher's mitt
Inventor: HATAKEYAMA YOSHIHISA
IPC: A63B71/14
Filed: 2020-08-26
Abstract: To provide a catcher's mitt configured to have an appropriately curved shape from a stage before starting to use by manufacturing the curved shape thereof with a prescribed curvature, and configured to hardly deform the curved shape.SOLUTION: A catcher's mitt 1 includes a core material 3, a plurality of leather materials 2 covering the core material 3, and a string body 4 for sewing the core material 3 and the plurality of leather materials 2. The core material 3 is comprised of a base core 3B, and a thumb core 3T and a little finger core 3L to be fixed to the base core 3B. The thumb core 3T is so configured that first to fourth felt materials 31-34 are superposed in parallel with the base core 3B, as a distance of the first to fourth felt materials 31-34 from the base core 3B increases, the longitudinal dimension of the thumb core 3T decreases and when both end faces in the longitudinal direction are connected, with both ends aligned, the central part in the longitudinal direction is curved, with it recessed from both ends.SELECTED DRAWING: Figure 2
Patent JP-2022039761-A (JP)
Title: Fixed resistor case and fixed resistor
Inventor: KAWASAKI TAIU
IPC: H01C1/03
Filed: 2020-08-28
Abstract: To provide a fixed resistor case capable of holding a resistance element housed in the case surely at a housing position and to provide a fixed resistor.SOLUTION: A case 10 for a fixed resistor 1 has a housing section 11 for housing a resistance element 40 connecting lead wires 51, 53 on both ends in a state that one lead wire 51 is folded. An aperture 13 of the housing section 11 is formed on an upper surface 10a of the case 10. Lead-out sections 15, 17 for leading out the pair of lead wires 51, 53 are formed on one sidewall 101 around the housing section 11 of the case 10. A resistance element abutting face 231 for abutting one end face of the resistance element 40 is formed on an inner wall 101a side on which the lead-out sections 15, 17 are formed. A lead wire abutting surface 251 for abutting the lead wire 51 connected to the resistance element 40 and folded is formed on the inner wall 105a side opposed to the inner wall 101a formed on the lead-out sections 15, 17.SELECTED DRAWING: Figure 2