baber/WOPTO huggingface dataset:
Patent JP-2021157031-A (JP)
Title: Electrophotographic photoreceptor, process cartridge and electrophotographic device
Inventor: IKARI KENICHI
IPC: G03G5/10
Filed: 2020-03-26
Abstract: To provide an electrophotographic photoreceptor with which it is possible to both suppress low-humidity endurance steaks and suppress blade squeal.SOLUTION: Provided is a cylindrical electrophotographic photoreceptor having a region A along an outer surface and a region B along an outer surface. The region A is located on an end part side of the region B in an axial direction of the electrophotographic photoreceptor, and the region A has a specific groove provided on the outer surface of the electrophotographic photoreceptor. An area ratio a1 of the groove is 65% to 100% inclusive. The region B has a plurality of specific recesses provided on the outer surface of the electrophotographic photoreceptor. An area ratio a2 of the recesses is 5% to 65% inclusive.SELECTED DRAWING: None
Patent JP-2021154579-A (JP)
Title: Co-extrusion film and package
Inventor: YOSHIDA TOMOSHI
IPC: B32B27/18
Filed: 2020-03-26
Abstract: To provide a co-extrusion film which has highly durable antifogging property and sufficient laminate adhesive strength, and enables stable inflation method film production for a long time, when being used as a sealant film.SOLUTION: A co-extrusion film has at least a seal layer and a base layer, in which the seal layer contains a non-cyclic polyolefin-based resin and an antifogging agent, the base layer contains more than 50 mass% to less than 60 mass% of the non-cyclic polyolefin-based resin and more than 40 mass% to less than 50 mass% of a cyclic polyolefin-based resin, and a thickness ratio of the base layer to the total thickness of the film is less than 30%.SELECTED DRAWING: None
Patent JP-2021157087-A (JP)
Title: Light beam emitting system
Inventor: MORIYAMA TSUYOSHI
IPC: F24F6/00
Filed: 2020-03-27
Abstract: To provide a light beam emitting system that can clearly recognize a light beam.SOLUTION: A light beam emitting system 1 comprises: a blower 10 that forms a flow channel in which an aerosol flows; and an emitter 30 that emits a light beam. At least a portion of the light beam propagates along the flow channel of the aerosol. At least a portion of the emitted light beam is scattered by the aerosol to be visualized. An aerosol generator 20 comprises: a container 21 that stores a liquid; and at least either of a heater that generates the aerosol by heating the liquid, an ultrasonic vibrator that vibrates the liquid, or a fan 12 that sends a gas toward the liquid.SELECTED DRAWING: Figure 2
Patent JP-2021158040-A (JP)
Title: Preparation liquid for nonaqueous electrolytic solution, nonaqueous electrolytic solution for lithium ion secondary battery and production method thereof, and lithium ion secondary battery
Inventor: YAMAMOTO SHINJI
IPC: H01M4/505
Filed: 2020-03-27
Abstract: To provide a preparation liquid for a nonaqueous electrolytic solution, suitable for preparing a nonaqueous electrolytic solution for a lithium ion secondary battery which is capable of reducing both initial battery resistance and battery resistance after charge/discharge cycles of a lithium ion secondary battery.SOLUTION: A preparation liquid for a nonaqueous electrolytic solution contains a nonaqueous solvent and a complex compound. The nonaqueous solvent includes DMC, and the complex compound includes a LiPF6 site, a LiDFP site and an EC site. In a Raman scattering spectrum when a composition is adjusted such that a molar ratio [DMC:EC:LiPF6:LiDFP] while the LiPF6 site, the LiDFP site and the EC site in the complex compound are included is 1.50:1.20:0.04:0.04, the relative intensity of a peak appearing between 901 cm-1 and 905 cm-1 is 24.00 or more when the intensity of a peak appearing between 890 cm-1 and 893 cm-1 is taken as 100.SELECTED DRAWING: Figure 2
Patent JP-2021157116-A (JP)
Title: Image display device
Inventor: OGATA YOICHI
IPC: B60K35/00
Filed: 2020-03-27
Abstract: To provide an image display device capable of changing a position of an image projected in a space and improving a degree of freedom in display position.SOLUTION: An image display device has a first image projection unit (S) for projecting a first image and a projection optical unit (G) for projecting light of the first image in a viewpoint direction, the image display device including a rotation holding unit (CS) for holding the projection optical unit (G) in a laterally turnable manner about a rotation axis (AX) so as to make an angle θ variable between a direction in which light of the first image projected from the projection optical unit (G) travels and a center line of sight direction from a viewpoint.SELECTED DRAWING: Figure 1
Patent JP-2021162202-A (JP)
Title: Air separation device and oxygen gas production method
Inventor: YAMAMOTO ARATA
IPC: F25J3/04
Filed: 2020-03-31
Abstract: To provide an air separation device that can continuously operate and can supply product oxygen gas even if an air booster or a liquefied oxygen pump is stopped.SOLUTION: An air separation device 50 comprises: a high-pressure tower 5; a low-pressure tower 6; a first condenser 7 for indirectly exchanging heat between high-pressure nitrogen gas and low-pressure liquefied oxygen; an air booster 12 for further boosting a portion of raw material air; a liquefied oxygen pump 11 for boosting a portion of the low-pressure liquefied oxygen extracted from the low-pressure tower 6; a main heat exchanger 4 for indirectly exchanging heat between boosted raw material air and high-pressure liquefied oxygen, vaporizing the high-pressure liquefied oxygen, and generating high-pressure oxygen gas; a second condenser 9 for indirectly exchanging heat between a portion of the low-pressure liquefied oxygen extracted from the low-pressure tower 6 and a portion of the raw material air, vaporizing the low-pressure liquefied oxygen, and generating low-pressure oxygen gas; and a gas-liquid separator 8 housing the second condenser 9.SELECTED DRAWING: Figure 1
Patent JP-2021015114-A (JP)
Title: Optical position-measuring device
Inventor: WOLFGANG HOLZAPFEL
IPC: G01D5/347
Filed: 2020-04-07
Abstract: To provide an optical position measuring device for detecting an angle of rotation between two objects each rotationally moving, which is capable of correcting an error caused by tumbling of a grating type reference scale or a scale disk to be scanned along with an error caused by an eccentricity at the time of measuring a rotation angle.SOLUTION: A grating standard scale rotating around an axis of rotation is configured as a reflection grating. From scanning of the standard scale, position information relating to azimuthal rotary movement around the axis of rotation and position information relating to a radial shift of the grating standard scale can be obtained. At least one detection unit plays a role in scanning the rotating grating standard scale in order to measure an azimuthal rotational angle as well as a radial shift of the grating standard scale. Neutral pivot points of the scanning of the grating standard scale for measuring the rotational angle and the shift are situated in the same plane, and this plane is situated in parallel with the grating standard scale. The neutral pivot point denotes a location about which the grating standard scale or the detection unit can be tilted without a position offset.SELECTED DRAWING: Figure 10B
Patent JP-2021167879-A (JP)
Title: Marker array for navigation
Inventor: NAKAMURA KATSUYUKI
IPC: G02C7/12
Filed: 2020-04-10
Abstract: To provide a marker array for navigation that can be attached to simple type 3D spectacles only when needed.SOLUTION: Since a groove 17 is formed in a holder 13 of a marker array 1, the marker array 1 can be attached to 3D spectacles 3 simply by inserting the groove 17 to an upper edge 12 of polarizing lenses 9 of the 3D spectacles 3. Accordingly, the 3D spectacles 3 are used as they are when navigation is not needed, so it suffices to attach the marker array 1 only when navigation is needed. Thus, there is no need to use expensive dedicated 3D spectacles to which a marker array is integrally attached in beforehand.SELECTED DRAWING: Figure 2
Patent JP-2021169746-A (JP)
Title: Embedded body of stored object
Inventor: SUZUKI SHOYA
IPC: H02G1/06
Filed: 2020-04-17
Abstract: To provide an embedded body of a stored object which can be easily transported and installed.SOLUTION: A connectable embedded body 1 of a stored object for embedding a lifeline stored object such as a cable including an electric power cable and a communication cable, a gas pipe, and a water supply pipe in a road comprises a main body 2 and a lid 3. The main body 2 includes a bottom plate 21 and a side plate 22. A weight of the embedded body 1 of a stored object per one meter is qual to or smaller than 60 kg. The embedded body 1 of a stored object can be carried by one or two persons, and can bear a vertical load of 165 kN or more and a horizontal load of 26.5 kN or more.SELECTED DRAWING: Figure 1
Patent JP-2021171689-A (JP)
Title: Water treatment method, and water treatment device
Inventor: NAKANO TORU
IPC: B01D21/01
Filed: 2020-04-23
Abstract: To provide a water treatment method and a water treatment device, capable of improving a water recovery rate in water treatment of subjecting water to be treated containing suspended substances to membrane filtration treatment.SOLUTION: The water treatment method comprises a flocculation process of treating water with an inorganic flocculant by adding an inorganic flocculant to water to be treated containing suspended substances; a membrane filtration process of applying a membrane filtration treatment using a membrane to flocculated water treated with an inorganic flocculant, obtained by the flocculation process employing an inorganic flocculant, to obtain permeated water; a backwashing process of backwashing the membrane; a flocculation process of treating water with a polymeric flocculant by adding a polymeric flocculant to the backwash effluent resulting from the backwashing process; a solid/liquid separation process of applying a solid/liquid separation treatment to the flocculated water treated with a polymeric flocculant, obtained by the flocculation process employing a polymeric flocculant, to obtain water removed of solid components; and a return process of returning at least a portion of the water removed of solid components to the stage preceding the membrane filtration process.SELECTED DRAWING: Figure 1
Patent JP-2021172765-A (JP)
Title: Polymer composition
Inventor: CHINO KEISUKE
IPC: C08L23/26
Filed: 2020-04-28
Abstract: To provide a polymer composition which has no stickiness and, moreover, can sufficiently lower both of a hardness value and a value of permanent compression set.SOLUTION: Provided is a polymer composition, comprising at least one polymer component selected from the group consisting of polymer (A) having a side chain (a) containing a hydrogen bonding cross-linking site with a carbonyl-containing group and/or a nitrogen heterocycle and having a glass transition temperature of 25°C or lower, and polymer (B) having a side chain containing a hydrogen bonding cross-linking site and a covalent bonding cross-linking site and having a glass transition temperature of 25°C or lower. Both of the polymer (A) and the polymer (B) are each a reaction product of a thermoplastic polymer graft-modified with maleic anhydride and a cross-linking agent, having a melting point of 64°C or lower and a degree of maleation of 0.1 to 3.0 mass% and have a type A durometer hardness of 0 to 49 as measured at a temperature condition of 20±5°C according to JIS K6253-3:2012.SELECTED DRAWING: None
Patent JP-2021176287-A (JP)
Title: Cell structure and method for producing the same
Inventor: KITANO SHIRO
IPC: C12Q1/02
Filed: 2020-05-08
Abstract: To provide a cell structure that has a smooth muscle cell, a vascular endothelial cell and a cell matrix, and includes an immunocyte, and a method for producing the structure.SOLUTION: A method for producing a cell structure includes an immunocyte includes: a manufacturing process of a cell structure which includes mixing a smooth muscle cell and a fragmented extracellular matrix in aqueous medium and incubating them to form a smooth muscle cell layer, and bringing a vascular endothelial cell into contact with the smooth muscle cell layer and incubating them to form a vascular endothelial cell layer contacting the smooth muscle cell layer; a process of bringing an inflammation promoter into contact with the cell structure; and a process of bringing an immunocyte into contact with the cell structure.SELECTED DRAWING: None
Patent JP-2020193328-A (JP)
Title: Stretchable polymer thick-film carbon black composition for wearable heaters
Inventor: H DAVID ROSENFELD
IPC: C08L75/04
Filed: 2020-05-13
Abstract: To provide a stretchable polymer thick-film carbon black composition for wearable heaters.SOLUTION: A polymer thick-film carbon black composition comprises 6-13 wt.% of a conductive carbon black powder, and 87-94 wt.% of an organic medium comprising a thermoplastic polyurethane resin dissolved in an organic solvent. The composition can be used to form a resistance element of heaters in applications that require significant stretching, particularly on substrates that can be greatly elongated and that can be particularly used in wearable garment applications.SELECTED DRAWING: None
Patent JP-2020143420-A (JP)
Title: Bioceramic composition and biologically modifying use thereof
Inventor: VISSMAN SHANNON
IPC: A61K33/24
Filed: 2020-05-20
Abstract: To provide a product, a composition, a system and a method that use and prepare a bioceramic composition, and the bioceramic composition which emits infrared energy or an infrared ray and can be used for treatment of various diseases.SOLUTION: The product contains a composition containing bioceramics, and the bioceramics bring biologically modifying or physiologic effect after heated or exposed to the heat, when the product is employed for a subject. The bioceramic composition emits, permeates, and/or reflects infrared wavelength when heated or exposed to the heat. The infrared wavelength is a far infrared ray that contains approximately 1 micrometer to 1 millimeter wavelength.SELECTED DRAWING: Figure 1
Patent JP-2021184054-A (JP)
Title: Display device and current-limiting method
Inventor: KATO TOSHIYUKI
IPC: G09G3/3233
Filed: 2020-05-22
Abstract: To provide a display device or the like that can suppress power consumption of a display panel while suppressing deterioration in image quality of the display panel.SOLUTION: A display device 10 comprises: a display panel 60 that has a plurality of pixels; and a current-limiting circuit 40 that limits the consumption current of the plurality of pixels. The current-limiting circuit 40 includes: a gain calculation circuit 42 that calculates a screen power value on the basis of a pixel value contained in a video signal, and determines a gain on the basis of the screen power value; and a gain multiplication circuit 50 that multiplies the pixel value by the gain, and outputs a limitation signal containing the pixel value multiplied by the gain. The display panel 60 includes: a display unit 70; and a lighting control circuit 66 that controls the lighting state of the plurality of pixels on the basis of a predicted power value calculated on the basis of the limitation signal, so as to set a consumption power value of the plurality of pixels to a control target power value or lower. The gain is 1 when the screen power value is equal to or lower than the control target power value, and otherwise, the gain is equal to or lower than a value obtained by dividing the control target power value by the screen power value.SELECTED DRAWING: Figure 1
Patent JP-2021050413-A (JP)
Title: Copper electroplating solution and electroplating method used for copper wiring material of silica through electrode in wafer level package
Inventor: YAO CHENG
IPC: C25D7/12
Filed: 2020-05-23
Abstract: To provide a copper electroplating solution used for a copper wiring material which can effectively prevent defects such as instability of signal transmission, large resistance, and excessive power consumption in a void and a gap in filling a silica through electrode in a wafer-level package, has good deposition property, and has good surface gloss and uniformity.SOLUTION: A copper electroplating solution contains copper sulfate pentahydrate, concentrated sulfuric acid, chlorine ion, 3-S-isothiourea propane sulfonate, polyoxyethylene nonylphenyl ether, phenazine dye, and DI pure water. An electroplating method comprises: a vacuum treatment with a pretreatment solution before electroplating a wafer chip; attachment of the wafer chip to an electroplating hanger as DI pure water in a vacuum device; and vacuuming and then electroplating in the copper electroplating solution.SELECTED DRAWING: None
Patent JP-2021186993-A (JP)
Title: Metal/resin composite manufacturing method and metal/resin composite
Inventor: KANEHARA YUHO
IPC: B29C39/10
Filed: 2020-05-26
Abstract: To provide a method for manufacturing a metal/resin composite by cast molding, the resulting metal/resin composite having excellent bonding strength between a metal member and a resin material, having a relatively low hardness in the resin part, and having suppressed foam contamination and poor appearance, and a metal/resin composite.SOLUTION: A manufacturing method for a metal/resin complex 1 including a metal member 2 and a curable resin 3 bonded to the metal member 2 includes: a provision step for preparing the metal member 2 having a fine uneven structure S on a surface; a preparation step for preparing a curable resin composition containing a polyisocyanate and a macropolyol; and a curing step of obtaining the curable resin 3 containing a thermosetting polyurethane elastic material by cast molding the curable resin composition in a state of being in contact with the fine uneven structure S of the metal member 2. In the curing step, the curable resin composition is cured under reduced pressure.SELECTED DRAWING: Figure 1
Patent JP-2021197236-A (JP)
Title: Ion detector
Inventor: KOBAYASHI HIROYUKI
IPC: G01N27/62
Filed: 2020-06-11
Abstract: To provide an ion detector which can reliably ensure its total gain.SOLUTION: An ion detector 1 comprises: a microchannel plate (MCP) 110 which generates secondary electrons when ions are made incident thereon, and outputs the generated secondary electrons while multiplying them; electron impact type diodes 220A, 220B on which the secondary electrons output from the MCP 110 are made incident so as to detect the incident secondary electrons while multiplying them; and focus electrodes 121, 122 which converge the secondary electrons on the electron impact type diodes 220A, 220B. The electron impact type diodes 220A, 220B are disposed in such a manner that their electron incident surfaces 200A, 200B form a corner portion protruding toward the opposite side to the MCP 110.SELECTED DRAWING: Figure 1
Patent JP-2021196877-A (JP)
Title: Vehicle direction estimation device
Inventor: ITO HIRONORI
IPC: G08G1/16
Filed: 2020-06-15
Abstract: To provide a vehicle direction estimation device that accurately estimates a direction of another vehicle around an own vehicle.SOLUTION: A vehicle direction estimation device that estimates a direction of another vehicle around an own vehicle includes: a self-position information acquisition unit 41 that acquires self-position information on an own vehicle 100; a map information acquisition unit 42 that acquires map information on the surrounding of the own position of the own vehicle, the map information having a plurality of lane display points arranged at regular intervals along the lane; an another vehicle position estimation unit 43 that estimates a relative position of the another vehicle around the own vehicle with respect to the own vehicle; and a direction estimation unit 44 that estimates the direction of the another vehicle with respect to the own vehicle. The direction estimation unit estimates the position of the another vehicle on the map information based on the self-position information and the relative position of the another vehicle with respect to the own vehicle, and estimates an angle formed by the direction of a straight line connecting two lane display points arranged before and after the lane display point closest to the position of the another vehicle on the map information and the driving direction of the own vehicle as a direction of the another vehicle with respect to the own vehicle.SELECTED DRAWING: Figure 7
Patent JP-2022012055-A (JP)
Title: Resistor
Inventor: GOTO AKITO
IPC: H01C1/032
Filed: 2020-06-30
Abstract: To reduce the loss of reliability.SOLUTION: A resistor 1 has a substrate 11, a resistive element 12, a glass protective film 14, a resin protective film 15, and an insulating protective film 16. The resistive element 12 is formed on the top surface 111 of the substrate 11. The glass protective film 14 covers at least a part of the resistive element 12. The resin protective film 15 covers at least a part of the glass protective film 14. The insulating protective film 16 has electrical insulation properties and is interposed between the glass protective film 14 and the resin protective film 15.SELECTED DRAWING: Figure 1
Patent JP-2022012614-A (JP)
Title: Polycrystalline silicon manufacturing apparatus
Inventor: OKADA TETSUO
IPC: C01B33/035
Filed: 2020-07-02
Abstract: To provide a polycrystalline silicon manufacturing apparatus capable of performing horizontal movement and rotational movement of an electrode adapter and facilitating its cleaning.SOLUTION: A polycrystalline silicon manufacturing apparatus for manufacturing polycrystalline silicon by the Siemens method is installed on a base plate 20 so as to be movable in the horizontal direction, and has a holding body 100 for electrically connecting a core wire holder 1 and an electrode 4 and holding the core wire holder 1 rotatably with respect to the base plate 20.SELECTED DRAWING: Figure 1
Patent JP-2021128930-A (JP)
Title: Cable, medical hollow tube, molding and hollow tube
Inventor: KASHIMURA SEIICHI
IPC: B32B25/20
Filed: 2020-07-02
Abstract: To allow a coating film to achieve its slidability, adhesion strength and resistance to being wiped off at high levels and in a well-balanced manner.SOLUTION: A cable includes a sheath, and a coating film covering a circumference of the sheath, the coating film adhering to the sheath. The coating film is formed from a rubber composition including a rubber component and fine particles. A static friction coefficient on a surface of the coating film is 0.5 or less. When the coating film is subjected to a testing such that a long fiber non-woven fabric including cotton linters including an alcohol for disinfection with a length of 50 mm along a wiping direction is brought contiguous to the surface of the coating film at a shearing stress of 2×10-3 MPa to 4×10-3 MPa, followed by wiping off the surface of the coating film at a speed of 80 times/min to 120 times/min and 20,000 repetitions thereof for a wiping direction length of 150 mm, a difference (an absolute value of a difference) between the static friction coefficients of the coating film before and after the testing is not greater than 0.1.SELECTED DRAWING: Figure 1