Patents Assigned to University of Fukui
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Publication number: 20250146214Abstract: The present disclosure addresses the problem of providing a method for imparting liquid repellency to fibers even when the amount of water and/or a surfactant is reduced, preferably without using water and/or a surfactant. Provided is a method for producing liquid-repellent fibers, the method comprising a fiber treatment step in which supercritical carbon dioxide is used as a treatment medium and a fiber base material is treated with a repellent containing a liquid-repellent compound, whereby liquid repellency can be imparted to the fibers even when the amount of water and/or a surfactant is reduced, preferably without using water and/or a surfactant.Type: ApplicationFiled: January 10, 2025Publication date: May 8, 2025Applicants: DAIKIN INDUSTRIES, LTD., UNIVERSITY OF FUKUIInventors: Tatsunori SAKAMAKI, Masahiro HIGASHI, Teruo HORI, Kazumasa HIROGAKI, Isao TABATA
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Publication number: 20250136674Abstract: Provided are: an antibody which specifically binds to and neutralizes USAG-1 or an antigen-binding fragment thereof; and a pharmaceutical composition containing the antibody or the antigen-binding fragment.Type: ApplicationFiled: February 3, 2022Publication date: May 1, 2025Applicants: Kyoto University, University of Fukui, Aichi Prefecture, Osaka UniversityInventors: Katsu TAKAHASHI, Manabu SUGAI, Yoshihito TOKITA, Junichi TAKAGI, Emiko MIHARA
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Publication number: 20250004221Abstract: The present invention provides an optical waveguide device that ensures a large area of light available for image display, enables easy correction of deviations of light spots and accompanying cost reduction, and can display images with reduced speckle noise. The present invention further provides a light source module including a light source and the optical waveguide device. The optical waveguide device (1) allows a plurality of light beams of different wavelengths to be input to and propagate through corresponding waveguides (4b, 4g, 4r) and then be output. Input ports (3b, 3g, 3r) of the waveguides are spaced apart from each other so as not to receive light beams of improper wavelengths; at least one of the waveguides is curved; and output ports (5b, 5g, 5r) of the waveguides are located close to each other. Thus, the optical waveguide device enables cost reduction and can display images with reduced speckle noise.Type: ApplicationFiled: June 24, 2022Publication date: January 2, 2025Applicants: SEIREN KST Corp., UNIVERSITY OF FUKUIInventors: Kazuki IWABATA, Akira HIMENO, Koichi HORII, Osamu kAWASAKI, Yuuta YABE, Yojiro KAMEI, Toshio KATSUYAMA, Shoji YAMADA, Akira NAKAO
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Patent number: 12174381Abstract: A retinal scanning display device including an optical system emits laser light to a pupil of a user, an optical multiplexer individually receives types of laser light having different wavelengths emitted from a plurality of semiconductor lasers, which combines the types of laser light coaxially to output the combined laser light. On the optical multiplexer, a beam shaper shapes the combined laser light into a light beam having a predetermined divergence or convergence angle, and a direction-of-emission changer changes image signal corresponding to an image to be formed, the direction of emission of the light beam output through the beam shaper within at least a plane intersecting the direction of emission. Then, an optical engine formed with the semiconductor lasers, the optical multiplexer, the beam shaper and the direction-of-emission changer guides the laser light emitted from the direction-of-emission changer to the position of the pupil of the user.Type: GrantFiled: December 17, 2020Date of Patent: December 24, 2024Assignee: UNIVERSITY OF FUKUIInventors: Shoji Yamada, Toshio Katsuyama, Akira Nakao
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Publication number: 20240383930Abstract: Provided is a method for producing a vinylphosphonic acid monoester from vinylphosphonic acid diester with high selectivity. The method for producing a vinylphosphonic acid monoester from a vinylphosphonic acid diester represented by the following Formula (1): wherein R1 and R2 each independently denote a linear or branched alkyl group having from 1 to 4 carbon atoms, the vinylphosphonic acid monoester being represented by the following Formula (2): wherein R1 denotes a linear or branched alkyl group having from 1 to 4 carbon atoms, according to the invention, wherein the method includes a step of heating the vinylphosphonic acid diester in the presence of a solvent and a basic substance, thereby obtaining the vinylphosphonic acid monoester, and a molar ratio of the basic substance to the vinylphosphonic acid diester is from 0.7 to 3.5.Type: ApplicationFiled: September 30, 2022Publication date: November 21, 2024Applicants: UNIVERSITY OF FUKUI, MARUZEN PETROCHEMICAL CO., LTD.Inventors: Shinji SUGIHARA, Tadashi YAMAZAKI
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Publication number: 20240376300Abstract: A resin composition comprising a resin(S) comprising: a polyerytene other (A) having a ratio of peak integral value of 3.80 to 3.92 ppm relative to a peak integral value of 6.20 to 6.72 ppm being 0.05 to 5.0%, in 1H-NMR spectrum obtained by 1H-NMR spectrum measurement using deuterated chloroform as a solvent, and a thermoplastic resin (B), and an inorganic filler (C).Type: ApplicationFiled: May 27, 2022Publication date: November 14, 2024Applicants: IDEMITSU KOSAN CO., LTD., UNIVERSITY OF FUKUIInventors: Kenta ITO, Ken SUDO, Yohei KOORI, Hiroshi YASUDA, Hideyuki UEMATSU, Masachika YAMANE, Shuichi TANOUE, Ayaka YAMAGUCHI
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Publication number: 20240373990Abstract: A dyed textile hook-and-loop fastener obtained through supercritical CO2 dyeing of a textile hook-and-loop fastener, is dyed in a deep color, and exhibits a high rupture elongation due to having less thermal history in a dyeing step.Type: ApplicationFiled: August 8, 2022Publication date: November 14, 2024Applicants: KURARAY FASTENING CO., LTD., UNIVERSITY OF FUKUIInventors: Takahiro Yamauchi, Yoshikatsu Fujisawa, Makoto Sagara, Kazumasa Hirogaki
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Publication number: 20240343844Abstract: A polyvinyl ether-based polymer useful as a gellant, having a structural unit represented by formula (2): where R1 represents a linear or branched alkanediyl group having 1 to 5 carbon atoms, R2 represents a single bond or a linear or branched alkanediyl group having 1 to 5 carbon atoms, X represents —C(?O)OH, —C(?O)O-M+, or —C(?O)O?, M+ represents a counter ion, and n is an integer of 0 to 3.Type: ApplicationFiled: October 21, 2022Publication date: October 17, 2024Applicants: UNIVERSITY OF FUKUI, MARUZEN PETROCHEMICAL CO., LTD.Inventors: Shinji SUGIHARA, Hirofumi OGAWA
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Patent number: 12105326Abstract: An optical multiplexer reduced in background light and reduced in size is provided. The optical multiplexer takes a plurality of light beams having different wavelengths as input from respective waveguides, and outputs multiple light obtained by multiplexing the plurality of light beams by a directional coupler. Background light is reduced by a reflection groove which reflects excess light outputted from a discard port of the directional coupler, and downsizing of the optical multiplexer is achieved.Type: GrantFiled: February 26, 2021Date of Patent: October 1, 2024Assignees: SEIREN KST CORP., UNIVERSITY OF FUKUIInventors: Akira Himeno, Koichi Horii, Toshio Katsuyama, Shoji Yamada, Akira Nakao
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Patent number: 12078606Abstract: A gas sensor comprises a gas separation membrane comprising substituted polyacetylene where a substituent group is combined to a double-bonded carbon atom in the backbone chain of the substituted polyacetylene and a sensing element configured to detect gas permeated through the gas separation membrane.Type: GrantFiled: March 17, 2020Date of Patent: September 3, 2024Assignees: FIGARO ENGINEERING INC., UNIVERSITY OF FUKUIInventors: Masakazu Sai, Kenichi Yoshioka, Kuniyuki Izawa, Toshikazu Sakaguchi
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Patent number: 12050342Abstract: An optical multiplexer and an optical multiplexing method capable of multiplexing light of four or more types of wavelengths are provided. An optical multiplexer capable of multiplexing light of a plurality of wavelengths includes a plurality of coupling parts each including a pair of main entrance paths, a pair of main exit paths, and a main coupler arranged between the main entrance paths and the main exit paths, the main coupler causing light entering from the main entrance paths to be coupled and exit from the main exit paths, in which one of the main entrance paths of the coupling parts is joined to one of the main exit paths of anther coupling parts and the main coupler has coupling length different from at least one other main coupler.Type: GrantFiled: February 5, 2021Date of Patent: July 30, 2024Assignee: University of FukuiInventors: Akira Nakao, Toshio Katsuyama, Shoji Yamada, Hitoshi Higuchi
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Publication number: 20240043841Abstract: Provided is a medicinal composition to be topically administered for tooth regeneration therapy, said composition comprising an RNA molecule targeting USAG-1 or a nucleic acid molecule capable of yielding the RNA molecule and a pharmaceutically acceptable carrier.Type: ApplicationFiled: February 19, 2021Publication date: February 8, 2024Applicants: Kyoto University, University of Fukui, Aichi PrefectureInventors: Katsu Takahashi, Kazuhisa Bessho, Yasuhiko Tabata, Manabu Sugai, Yoshihito Tokita
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Patent number: 11895442Abstract: Provided is a light beam emission device and a light beam projection device, that are downsizable, have a simple configuration, and simplify complicated processing of video signals, such as the timing adjustment of video output signals, without generating color irregularity. The devices include: a plurality of light sources; and a condensing member. A range in the light source array direction, in which emission spots of the light beams emitted from the plurality of light sources respectively exist, is within a size in the array direction of a light beam, immediately after the light beam emitted from an emission spot located most closely to the center of the plurality of light sources, with respect to the condensing member, passed through the condensing member.Type: GrantFiled: September 8, 2021Date of Patent: February 6, 2024Assignee: UNIVERSITY OF FUKUIInventors: Toshio Katsuyama, Shoji Yamada, Akira Nakao
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Publication number: 20240011821Abstract: A machine learning apparatus (4) generates a learning model (6) to be used in a sliding-surface diagnosis apparatus (1A) for diagnosing a condition of sliding surfaces of a fixed-side sliding member and a rotation-side sliding member. The machine learning apparatus (4) includes: a learning-data memory (41) configured to store learning data including input data containing at least data on motor current value in a predetermined period, data on contact electric resistance in the predetermined period, and data on vibration (AE wave or acceleration) in the predetermined period; a machine learning section (42) configured to input the learning data to the learning model (6) to cause the learning model (6) to learn a correlation between the input data and diagnostic information of the sliding surfaces; and a learned-model memory (43) configured to store the learning model (6) that has learned by the machine learning section (42).Type: ApplicationFiled: September 24, 2021Publication date: January 11, 2024Applicants: EBARA CORPORATION, UNIVERSITY OF FUKUIInventors: Chikako TAKATOH, Yumiko NAKAMURA, Kazuhiko SUGIYAMA, Tomomi HONDA
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Publication number: 20230273368Abstract: An optical multiplexer including a first and a second optical waveguides, and a multiplexing unit. The first and second optical waveguides have a first and a second mode coupling regions being proximate to each other with a predetermined gap width, the optical waveguides in the first and second mode coupling regions form the multiplexing unit. Light transfers between the optical waveguides in the first and second mode coupling regions, first light in the optical waveguide in the first mode coupling region and second light in the optical waveguide in the first or second mode coupling regions having the wavelength different from the first light are multiplexed to one of the waveguides in the first and second mode coupling regions, and the core cross-section of the optical waveguide at least in the first and second mode coupling regions in the first and second optical waveguides is asymmetric in the height direction.Type: ApplicationFiled: October 28, 2022Publication date: August 31, 2023Applicant: University of FukuiInventors: Toshio Katsuyama, Shoji Yamada, Akira Nakao, Susumu Yonezawa
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Publication number: 20220347093Abstract: The present invention relates to a nasal polyps reducing agent containing a polysaccharide selected from a polysulfated chondroitin sulfate, chondroitin sulfate, dermatan sulfate, keratan sulfate, heparan sulfate, dextran sulfate, pentosan polysulfate (PPS), chondroitin, glucomannan, inulin and xylo-oligosaccharide, or a salt thereof as an active ingredient, a pharmaceutical composition, a method for reducing nasal polyps or a method for preventing/treating nasal polyps. According to the present invention, it is possible to provide an effective and safe nasal polyps reducing agent.Type: ApplicationFiled: September 18, 2020Publication date: November 3, 2022Applicants: University of Fukui, Maruho Co., Ltd.Inventors: Shigeharu FUJIEDA, Tetsuji TAKABAYASHI, Kanako YOSHIDA, Hideki WATANABE, Koki FUJIKAWA
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Publication number: 20220299771Abstract: A retinal scanning display device including an optical system emits laser light to a pupil of a user, an optical multiplexer individually receives types of laser light having different wavelengths emitted from a plurality of semiconductor lasers, which combines the types of laser light coaxially to output the combined laser light. On the optical multiplexer, a beam shaper shapes the combined laser light into a light beam having a predetermined divergence or convergence angle, and a direction-of-emission changer changes image signal corresponding to an image to be formed, the direction of emission of the light beam output through the beam shaper within at least a plane intersecting the direction of emission. Then, an optical engine formed with the semiconductor lasers, the optical multiplexer, the beam shaper and the direction-of-emission changer guides the laser light emitted from the direction-of-emission changer to the position of the pupil of the user.Type: ApplicationFiled: December 17, 2020Publication date: September 22, 2022Applicant: UNIVERSITY OF FUKUIInventors: Shoji YAMADA, Toshio KATSUYAMA, Akira NAKAO
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Publication number: 20220273835Abstract: [Problem] To provide a method and a device for sanitizing hands quickly and easily in view of the current state of hand hygiene. [Solution] A sanitization method which is characterized by involving both irradiation of ultraviolet light of a wavelength of between 190 to 230 nm and a treatment using an alcoholic sanitizer; a sanitization method which is characterized in that the alcoholic sanitizer comprises water and an alcoholic agent selected from any one of ethanol, propanol, or a mixture thereof, and the amount of alcoholic agent is greater than the amount of water; and a sanitization device which includes a sanitizer supply unit for depositing the alcoholic sanitizer on an object to be sanitized and an ultraviolet irradiation unit that irradiates the object to be sanitized with ultraviolet light of a wavelength of between 190 to 230 nm.Type: ApplicationFiled: May 1, 2020Publication date: September 1, 2022Applicants: M&C Design Co., Ltd., UNIVERSITY OF FUKUIInventors: Hiromichi Iwasaki, Eiji Tanaka, Yukio Hida, Nobuo Bessho
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Publication number: 20220259298Abstract: Provided are: an antibody which specifically binds to and neutralizes USAG-1 or an antigen-binding fragment thereof; and a pharmaceutical composition containing the antibody or the antigen-binding fragment.Type: ApplicationFiled: July 10, 2020Publication date: August 18, 2022Applicants: Kyoto University, University of Fukui, Osaka UniversityInventors: Katsu Takahashi, Manabu Sugai, Yoshihito Tokita, Junichi Takagi, Emiko Mihara
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Patent number: 11307405Abstract: This invention is provided with: a light source; a light scanning mirror; a measurement mechanism for measuring a change in the intensity of light reflected from an eyeball as time elapses through the scanning of at least a surface of the pupil with a light beam by means of the light scanning mirror; a sampling mechanism for sampling the intensity of light reflected from the pupil from the measured change in the intensity of the reflected light as time elapses; and a mechanism for detecting the size and the position of the pupil by synchronizing the sampled intensity of light reflected from the pupil, and the scanning time during which the surface of the eyeball is scanned; and an image generating mechanism for forming an image on the retina of the eyeball by projecting a light beam for generating an image onto the pupil in the detected position while scanning.Type: GrantFiled: October 1, 2019Date of Patent: April 19, 2022Assignee: UNIVERSITY OF FUKUIInventors: Toshio Katsuyama, Shoji Yamada