Patents by Inventor Takuya Okada
Takuya Okada has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250020131Abstract: An axial fan includes a plurality of blades, and a connection part. The plurality of blades are configured to rotate around a central axis defined by a fan shaft. The connection part is plate-like shaped, formed around the fan shaft, and connects, among the plurality of blades, blades that are adjacent to each other in a circumferential direction. The connection part includes a discontinuous part. The discontinuous part forms a stress distribution part that distributes stress imposed on the connection part when the plurality of blades rotate.Type: ApplicationFiled: December 13, 2021Publication date: January 16, 2025Inventors: Katsuyuki YAMAMOTO, Takuya TERAMOTO, Kazuya OKADA, Koji YAMAGUCHI
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Publication number: 20250006859Abstract: A nitride semiconductor light emitting element includes: an n-side semiconductor layer; a p-side semiconductor layer; an active layer positioned between the n-side semiconductor layer and the p-side semiconductor layer; and an electron blocking layer positioned between the p-side semiconductor layer and the active layer. The active layer includes, successively from the n-side semiconductor layer side: a first barrier layer containing Al, a first well layer that contains Al and emits ultraviolet light, a second barrier layer containing Al, and a second well layer that is in contact with the electron blocking layer, contains Al, and emits ultraviolet light. An Al composition ratio of the second well layer is higher than an Al composition ratio of the first well layer. A thickness of the second well layer is less than a thickness of the first well layer.Type: ApplicationFiled: June 21, 2024Publication date: January 2, 2025Applicant: NICHIA CORPORATIONInventor: Takuya OKADA
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Publication number: 20250006861Abstract: A nitride semiconductor light emitting element includes: an n-side semiconductor layer; a p-side semiconductor layer; and an active layer positioned between the n-side semiconductor layer and the p-side semiconductor layer. The active layer includes, successively from a n-side semiconductor layer side: a first barrier layer containing Al and an n-type impurity, a first well layer containing Al and emitting ultraviolet light, a second barrier layer containing Al, and a second well layer containing Al and emitting ultraviolet light. A highest n-type impurity concentration peak in the first barrier layer is located in a portion of the first barrier layer that is closer to the p-side semiconductor layer than to the n-side semiconductor layer. An Al composition ratio of the first barrier layer is higher than an Al composition ratio of the second barrier layer.Type: ApplicationFiled: June 24, 2024Publication date: January 2, 2025Applicant: NICHIA CORPORATIONInventor: Takuya OKADA
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Publication number: 20240390118Abstract: A three-dimensional scanner includes imaging circuitry configured to take an image of an object located at a focal position of a lens, a lens driver configured to drive the lens to make reciprocating motion in a linear direction, an angle detector configured to detect variation in angle of inclination of the lens with respect to a prescribed direction, and processing circuitry configured to control an operation of the lens in accordance with the variation in angle of inclination detected by the angle detector.Type: ApplicationFiled: May 17, 2024Publication date: November 28, 2024Applicant: J. MORITA MFG. CORP.Inventors: Tsuyoshi TANAKA, Takuya OKADA, Takeshi HAYASHI
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Patent number: 12134275Abstract: An inkjet recording device includes: an inkjet unit that ejects ink to a recording medium while scanning in a main scanning direction; a first treatment liquid ejection head that is arranged side by side with the inkjet unit in the main scanning direction, scans together with the inkjet unit, and ejects a first treatment liquid to the recording medium; and a second treatment liquid ejection head that is arranged side by side with the inkjet unit in the main scanning direction, scans together with the inkjet unit, and ejects a second treatment liquid different from the first treatment liquid to the recording medium, wherein at least one of the first treatment liquid ejection head and the second treatment liquid ejection head is arranged on both sides of the inkjet unit in the main scanning direction.Type: GrantFiled: August 10, 2022Date of Patent: November 5, 2024Assignee: Konica Minolta, Inc.Inventors: Takuya Ishigai, Keishi Suzuki, Takuya Okada
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Publication number: 20240287019Abstract: The present invention provides a compound of formula (I): wherein R1, R2, R3, R4, k, l, m and n are as defined in the specification, or a pharmaceutically acceptable salt thereof with the effect of inhibiting T-type calcium channels and a medicament useful for the treatment of a disease associated with the activation of T-type calcium channels.Type: ApplicationFiled: June 6, 2022Publication date: August 29, 2024Inventors: Atsufumi KAWABATA, Fumiko SEKIGUCHI, Naoki TOYOOKA, Takuya OKADA, Hiroyuki NISHIKAWA
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Publication number: 20240279829Abstract: Provided are an iridium-manganese oxide composite material and an iridium-manganese oxide composite electrode material that are inexpensive and have high catalytic activity for use in an anode catalyst for oxygen evolution associated with water electrolysis. Also provided are methods for producing the same. An iridium-manganese oxide composite material includes a manganese oxide and iridium distributed on at least a surface of the manganese oxide, the iridium having a metal valence of 3.1 or greater and 3.8 or less. An iridium-manganese oxide composite electrode material includes a conductive substrate formed of a fiber, with the iridium-manganese oxide composite material being coated on at least a portion of the conductive substrate.Type: ApplicationFiled: June 13, 2022Publication date: August 22, 2024Applicants: RIKEN, TOSOH CORPORATIONInventors: Ryuhei NAKAMURA, Shuang KONG, Ailong LI, Kazuna FUSHIMI, Kazumasa SUETSUGU, Takuya OKADA
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Patent number: 12023730Abstract: The precision of grasping or controlling backpressure around a gas discharge portion in a stopper for continuous casting can be improved with a stopper for continuous casting which includes a cavity for conveying gas in a vertical direction center of the stopper, one or a plurality of gas discharge holes passing through from the cavity to the outside in a distal center or a side surface of a reduced-diameter region including a fitted portion to a lower nozzle, and a pressure control component in a part of an area above the gas discharge hole within the cavity.Type: GrantFiled: December 18, 2019Date of Patent: July 2, 2024Assignee: KROSAKIHARIMA CORPORATIONInventors: Shinichi Fukunaga, Toshio Kaku, Hiroki Furukawa, Takuya Okada
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Patent number: 12023659Abstract: CHA-type zeolite in which the molar ratio of silica to alumina is less than 13, and the content of sodium is 100 ppm or more and 2000 ppm or less is provided. Such a CHA-type zeolite is obtained by a manufacturing method including obtaining a crystallized product by crystallizing a composition which includes a structure-directing agent source containing at least N,N,N-trialkylcyclohexylammonium cation, an alumina source, a silica source, a sodium source, and water and in which the molar ratio of silica to alumina is 20 or less and in which the molar ratio of potassium to sodium is less than 0.05, removing N,N,N-trialkylcyclohexylammonium cation from the crystallized product, and contacting the crystallized product with an ammonium-salt-containing solution having an ammonium concentration of 1 mass percent or more.Type: GrantFiled: December 16, 2021Date of Patent: July 2, 2024Assignee: TOSOH CORPORATIONInventors: Yoshitaka Yamasaki, Tomoya Ishikawa, Keita Nakao, Takuya Okada, Yusuke Naraki
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Publication number: 20240191428Abstract: The image forming method of the present invention includes applying an ink and a first treatment liquid onto a fabric in a wet-on-wet manner to each other, the ink containing a pigment and a first resin, a first treatment liquid containing a second resin that reacts with or interacts with the first resin to aggregate. The viscosity of the first treatment liquid at 25° C. is lower than the viscosity of the ink at 25° C.Type: ApplicationFiled: November 29, 2023Publication date: June 13, 2024Inventor: Takuya OKADA
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Patent number: 12009454Abstract: A light-emitting device includes an n-side semiconductor layer comprising an n-type contact layer and an intermediate layer located on the n-type contact layer; an active layer located on the intermediate layer; and a p-side semiconductor layer located on the active layer. The intermediate layer includes at least one stacked portion comprising a first layer and a second layer. The first layer is an n-type nitride semiconductor layer comprising an n-type impurity, Al, and Ga. The second layer is a nitride semiconductor layer that includes Al and Ga, has a lower n-type impurity concentration than the first layer, and has a larger thickness than the first layer. An Al composition ratio of the first layer is higher than an Al composition ratio of the second layer.Type: GrantFiled: October 21, 2021Date of Patent: June 11, 2024Assignee: NICHIA CORPORATIONInventor: Takuya Okada
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Patent number: 11965058Abstract: An oxymethylene-copolymer manufacturing method includes: polymerizing a polymerization raw material containing trioxane and a comonomer in the presence of an acid catalyst in a quantity that is 1.0×10?8 moles to 5.0×10?6 moles with respect to 1 mole of trioxane; adding a hydroxylamine compound represented by general formula (1) (in the formula, R1 and R2 are, independently of each other, a hydrogen atom or an organic group having 1-20 carbon atoms) to a reaction product obtained during the polymerizing of the polymerization raw material at 50-5000 times the quantity of the acid catalyst, in terms of the molar quantity, and mixing the hydroxylamine compound with the reaction product; and subjecting the mixture of the reaction product and the hydroxylamine compound, which is obtained during the adding of the hydroxylamine compound, to an additional melt-kneading.Type: GrantFiled: June 12, 2018Date of Patent: April 23, 2024Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Yuuta Yamamoto, Daisuke Sunaga, Takuya Okada
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Publication number: 20240116075Abstract: A selective film deposition method includes exposing a substrate having a structure on which a first surface region containing a metal element and a second surface region containing a nonmetal inorganic material are both exposed, to a solution containing an organic substance represented by formula (1) shown below and a solvent to deposit a film of the organic substance on the first surface region selectively over the second surface region: R1(X)m (1) wherein R1 is a C4-C100 hydrocarbon group optionally containing a heteroatom or a halogen atom, and m hydrogen atoms of the hydrocarbon group are replaced with X; X is —PO3(R2)2, —O—PO3(R2)2, —CO2R2, —SR2, or —SSR1; each R2 is a hydrogen atom or a C1-C6 alkyl group; and m is a positive integer, and m/r is 0.01 to 0.25 where r is the number of carbons of the hydrocarbon group.Type: ApplicationFiled: January 28, 2022Publication date: April 11, 2024Applicant: CENTRAL GLASS COMPANY, LIMITEDInventors: Takuya OKADA, Junki YAMAMOTO, Takahisa TANIGUCHI, Kazuki YOSHIURA, Katsuya KONDO, Soichi KUMON, Tatsuo MIYAZAKI
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Patent number: 11898033Abstract: An oxymethylene copolymer resin composition, which includes (i) an oxymethylene copolymer, (ii) a derivative of an aryl boron fluoride compound, and (iii) a layered double hydroxide; and a method for producing the same.Type: GrantFiled: May 31, 2021Date of Patent: February 13, 2024Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Takuya Okada, Daisuke Sunaga
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Patent number: 11876148Abstract: A nitride semiconductor light-emitting element includes: an n-side nitride semiconductor layer; a p-side nitride semiconductor layer; and an active layer between the n-side nitride semiconductor layer and the p-side nitride semiconductor layer. The active layer includes: one or more well layers comprising a first well layer that is nearest to the n-side nitride semiconductor layer, and one or more barrier layers comprising a first barrier layer between the first well layer and the n-side nitride semiconductor layer. The first barrier layer comprises a Si-doped InGaN barrier layer and an undoped GaN barrier layer in this order from the n-side nitride semiconductor layer side.Type: GrantFiled: March 5, 2021Date of Patent: January 16, 2024Assignee: NICHIA CORPORATIONInventor: Takuya Okada
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Publication number: 20230374669Abstract: The present disclosure provides a wet etching method including pretreating a metal-containing film on a substrate with a surface modification liquid and etching the metal-containing film with an etching liquid, wherein the etching liquid is a solution containing: a ?-diketone with a trifluoromethyl group bonded to a carbonyl group; and an organic solvent, wherein the metal-containing film contains a metal element capable of forming a complex with the ?-diketone, wherein the surface modification liquid contains an acidic substance against the metal element, and wherein the wet etching method is carried out through: a first step of bringing the surface modification liquid into contact with the metal-containing film, thereby forming an oxide layer of the metal element at a surface of the metal-containing film; and a second step of bringing the etching liquid into contact with the metal-containing film on which the oxide layer has been formed.Type: ApplicationFiled: October 11, 2021Publication date: November 23, 2023Inventors: Kazuki YOSHIURA, Takuya OKADA, Kenta WATANABE, Soichi KUMON, Yosuke NAKAMURA, Takahisa TANIGUCHI
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Publication number: 20230333303Abstract: Provided is a light guide including: a base that has a first reflecting surface and a second reflecting surface and that propagates incident video light; and a plurality of half mirrors, each of which has a first surface and a second surface and is configured to include a dielectric multi-layer film, in which the plurality of half mirrors are disposed in the base such that the half mirrors are spaced from each other, the base and the plurality of half mirrors are configured such that the video light made incident into the base is incident on each of the first surface and the second surface of at least one of the plurality of half mirrors one or more times, and refractive indices of two outermost layers of the dielectric multi-layer film are 0.90n to 1.15n in a case in which a refractive index of the base is n.Type: ApplicationFiled: June 20, 2023Publication date: October 19, 2023Applicant: FUJIFILM CorporationInventors: Katsuhiko ONO, Hiroki TAKAHASHI, Takuya OKADA
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Patent number: 11713029Abstract: The present invention obtains a hydraulic pressure control unit capable of saving a space where a device can be mounted in a straddle-type vehicle. In the hydraulic pressure control unit according to the present invention, a controller includes a brake control section that controls operation of a component for controlling a brake hydraulic pressure generated in the straddle-type vehicle, and the brake control section is accommodated in a case that is held by a base body. The controller further includes a power control section that controls operation of a power generator for the straddle-type vehicle, and the power control section is accommodated together with the brake control section in the case.Type: GrantFiled: April 10, 2019Date of Patent: August 1, 2023Assignee: Robert Bosch GmbHInventors: Jun Ohtaka, Takuya Okada
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Publication number: 20230231079Abstract: A light emitting element comprises a semiconductor structure which includes an n-side layer, a p-side layer, and an ultraviolet light emitting active layer positioned between the n-side layer and the p-side layer, each being made of a nitride semiconductor, an n-electrode electrically connected to the n-side layer, and a p-electrode electrically connected to the p-side layer. The active layer has a well layer containing Al, a barrier layer containing Al, and holes defined by the lateral faces of the well layer and the lateral faces of the barrier layer. The p-side layer has a first layer containing Al, a second layer containing Al disposed on the first layer and in contact with the lateral faces of the well layer, and a third layer disposed on the second layer. The third layer is smaller in thickness than the first layer.Type: ApplicationFiled: January 18, 2023Publication date: July 20, 2023Applicant: NICHIA CORPORATIONInventors: Koji ASADA, Takuya OKADA
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Patent number: 11692303Abstract: The pretreatment liquid of the present invention is applicable for a fabric to be used for inkjet textile printing, and the pretreatment liquid contains a block copolymer including a hydrophobic block derived from a hydrophobic resin having an SP value of less than 11 and a hydrophilic block derived from a hydrophilic resin having an SP value of 11 or more, with the difference between the SP values of the hydrophobic resin and the hydrophilic resin of 1.0 or more; and water.Type: GrantFiled: May 19, 2021Date of Patent: July 4, 2023Assignee: KONICA MINOLTA, INC.Inventors: Ken Nito, Takuya Okada, Masaki Nakamura