Patents Assigned to University of Fukui
  • Publication number: 20240043841
    Abstract: 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: Application
    Filed: February 19, 2021
    Publication date: February 8, 2024
    Applicants: Kyoto University, University of Fukui, Aichi Prefecture
    Inventors: Katsu Takahashi, Kazuhisa Bessho, Yasuhiko Tabata, Manabu Sugai, Yoshihito Tokita
  • Patent number: 11895442
    Abstract: 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: Grant
    Filed: September 8, 2021
    Date of Patent: February 6, 2024
    Assignee: UNIVERSITY OF FUKUI
    Inventors: Toshio Katsuyama, Shoji Yamada, Akira Nakao
  • Publication number: 20240011821
    Abstract: 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: Application
    Filed: September 24, 2021
    Publication date: January 11, 2024
    Applicants: EBARA CORPORATION, UNIVERSITY OF FUKUI
    Inventors: Chikako TAKATOH, Yumiko NAKAMURA, Kazuhiko SUGIYAMA, Tomomi HONDA
  • Publication number: 20230273368
    Abstract: 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: Application
    Filed: October 28, 2022
    Publication date: August 31, 2023
    Applicant: University of Fukui
    Inventors: Toshio Katsuyama, Shoji Yamada, Akira Nakao, Susumu Yonezawa
  • Publication number: 20220347093
    Abstract: 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: Application
    Filed: September 18, 2020
    Publication date: November 3, 2022
    Applicants: University of Fukui, Maruho Co., Ltd.
    Inventors: Shigeharu FUJIEDA, Tetsuji TAKABAYASHI, Kanako YOSHIDA, Hideki WATANABE, Koki FUJIKAWA
  • Publication number: 20220299771
    Abstract: 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: Application
    Filed: December 17, 2020
    Publication date: September 22, 2022
    Applicant: UNIVERSITY OF FUKUI
    Inventors: Shoji YAMADA, Toshio KATSUYAMA, Akira NAKAO
  • Publication number: 20220273835
    Abstract: [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: Application
    Filed: May 1, 2020
    Publication date: September 1, 2022
    Applicants: M&C Design Co., Ltd., UNIVERSITY OF FUKUI
    Inventors: Hiromichi Iwasaki, Eiji Tanaka, Yukio Hida, Nobuo Bessho
  • Publication number: 20220259298
    Abstract: 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: Application
    Filed: July 10, 2020
    Publication date: August 18, 2022
    Applicants: Kyoto University, University of Fukui, Osaka University
    Inventors: Katsu Takahashi, Manabu Sugai, Yoshihito Tokita, Junichi Takagi, Emiko Mihara
  • Patent number: 11307407
    Abstract: A two-dimensional optical scanning mirror device, a manufacturing method for the same, a two-dimensional optical scanning device and an image projector. A two-dimensional optical scanning mirror device includes a substrate, a movable mirror portion supported on the substrate in such a manner that two-dimension optical scanning is possible, a hard magnetic thin film provided in the movable mirror portion and a magnetic field generator that includes at least an alternating magnetic field generator for driving the movable mirror portion, where the hard magnetic thin film has a magnetization direction in a direction of a film plane, and the ratio of the magnetic field generated by the magnetic field generator relative to the coercive force of the hard magnetic thin film is 0.2 or lower.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: April 19, 2022
    Assignee: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUI
    Inventors: Toshio Katsuyama, Ryoya Ishigami
  • Patent number: 11307405
    Abstract: 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: Grant
    Filed: October 1, 2019
    Date of Patent: April 19, 2022
    Assignee: UNIVERSITY OF FUKUI
    Inventors: Toshio Katsuyama, Shoji Yamada
  • Patent number: 11287571
    Abstract: To provide a multiplexer that makes it possible to achieve a reduction in size and that minimizes the influence of the expansion of laser light on a multiplexing unit. A multiplexer is provided with a plurality of waveguides, multiplexing units that are provided at an intermediate location within the waveguides, and laser light sources, wherein: the first multiplexing unit is arranged at a position that is closest to the laser light sources; and the laser light sources that have an optical axis at a position that is separated from the transmission axis of the visible light that is introduced into the first multiplexing unit are arranged so that the optical axis is inclined with respect to the transmission axis and the outer periphery of laser light that expands at a predetermined expansion angle passes in front of the first multiplexing unit.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: March 29, 2022
    Assignee: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUI
    Inventors: Toshio Katsuyama, Akira Nakao
  • Patent number: 11257232
    Abstract: The relationship between space coordinates and a plurality of feature amounts gained from at least a pattern or a change in the pattern that has been projected from a plurality of projection units is found in advance, and the relationship between the feature amounts and the space coordinates is used in order to find the space coordinates of the surface of an object from the feature amounts that have been gained from a pattern or a change in the pattern projected from the plurality of projection units onto the surface of the object.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: February 22, 2022
    Assignee: UNIVERSITY OF FUKUI
    Inventors: Motoharu Fujigaki, Yuichi Akatsuka, Daishi Takata
  • Publication number: 20220021854
    Abstract: 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: Application
    Filed: September 8, 2021
    Publication date: January 20, 2022
    Applicant: University of Fukui
    Inventors: Toshio Katsuyama, Shoji Yamada, Akira Nakao
  • Publication number: 20210400244
    Abstract: The present invention relates to an optical scanning type video projection device that decreases the height of the optical scanning type video projection device by improving the disposition of a light source module device and an optical scanning mirror device. The optical scanning type video projection device has: a first substrate on which an optical waveguide type multiplexer having a plurality of optical waveguides and a light multiplexer is provided; a second substrate on which an optical scanning mirror device having a movable mirror is provided; and an optical member configured to guide a light beam emitted from the optical waveguide type multiplexer to the movable mirror in a direction that is different from an emitting direction of the light beam. The first substrate and the second substrate are disposed in parallel with each other.
    Type: Application
    Filed: September 1, 2021
    Publication date: December 23, 2021
    Applicant: University of Fukui
    Inventors: Toshio Katsuyama, Shoji Yamada, Akira Nakao
  • Patent number: 11188149
    Abstract: When a predetermined image is displayed for a user such that the user is able to visually recognize the image, the user sight line direction is detected, a part assumed to be present in the detected user sight line direction is set to a first image, an image complementary to the first image for the predetermined image is set to a second image, the positions of the retinas of the eyes of the user are scanned with laser light from a retinal scanning display unit fitted to the head of the user and the first image is focused on a position away from the position of the eyes of the user by a first distance and is displayed. The second image is displayed on the surface of the panel of a panel display unit in a position away from the user by a second distance shorter than the first.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: November 30, 2021
    Assignee: UNIVERSITY OF FUKUI
    Inventors: Shoji Yamada, Toshio Katsuyama
  • Publication number: 20210286127
    Abstract: To provide a multiplexer that makes it possible to achieve a reduction in size and that minimizes the influence of the expansion of laser light on a multiplexing unit. A multiplexer is provided with a plurality of waveguides, multiplexing units that are provided at an intermediate location within the waveguides, and laser light sources, wherein: the first multiplexing unit is arranged at a position that is closest to the laser light sources; and the laser light sources that have an optical axis at a position that is separated from the transmission axis of the visible light that is introduced into the first multiplexing unit are arranged so that the optical axis is inclined with respect to the transmission axis and the outer periphery of laser light that expands at a predetermined expansion angle passes in front of the first multiplexing unit.
    Type: Application
    Filed: May 27, 2021
    Publication date: September 16, 2021
    Applicant: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUI
    Inventors: Toshio Katsuyama, Akira Nakao
  • Patent number: 11067792
    Abstract: A two-dimensional optical scanning mirror device, a manufacturing method for the same, a two-dimensional optical scanning device and an image projector. A two-dimensional optical scanning mirror device includes a substrate, a movable mirror portion supported on the substrate in such a manner that two-dimension optical scanning is possible, a hard magnetic thin film provided in the movable mirror portion and a magnetic field generator that includes at least an alternating magnetic field generator for driving the movable mirror portion, where the hard magnetic thin film has a magnetization direction in a direction of a film plane, and the ratio of the magnetic field generated by the magnetic field generator relative to the coercive force of the hard magnetic thin film is 0.2 or lower.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: July 20, 2021
    Assignee: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUI
    Inventors: Toshio Katsuyama, Ryoya Ishigami
  • Publication number: 20210158551
    Abstract: The relationship between space coordinates and a plurality of feature amounts gained from at least a pattern or a change in the pattern that has been projected from a plurality of projection units is found in advance, and the relationship between the feature amounts and the space coordinates is used in order to find the space coordinates of the surface of an object from the feature amounts that have been gained from a pattern or a change in the pattern projected from the plurality of projection units onto the surface of the object.
    Type: Application
    Filed: May 7, 2018
    Publication date: May 27, 2021
    Applicant: UNIVERSITY OF FUKUI
    Inventors: Motoharu FUJIGAKI, Yuichi AKATSUKA, Daishi TAKATA
  • Publication number: 20210149110
    Abstract: The invention relates to an optical waveguide-type optical multiplexer, an optical waveguide-type multiplexing light source device and an image projection device, where the intensity of a light beam emitted from a light source is attenuated to a desired value without installing an additional optical attenuator element. One of a plurality of optical waveguides on the light emission side for emitting light distributed/multiplexed in an optical multiplexer unit excluding an optical waveguide on the light emission side in which the greatest output light power can be gained for each wavelength from among the optical waveguides on the light emission side in the case where a plurality of light sources is driven is used as an optical waveguide for light emission.
    Type: Application
    Filed: January 27, 2021
    Publication date: May 20, 2021
    Applicant: University of Fukui
    Inventors: Toshio Katsuyama, Shoji Yamada
  • Publication number: 20210149111
    Abstract: The invention relates to an optical multiplexer, a light source module, a two-dimensional optical scanning device and an image projection device, where the effects of stray light that has failed to enter into an input optical waveguide can be reduced. Light that is in or below the range of 2.5 times greater than the full width at half maximum of the light intensity distribution of a light beam that has not been inputted into an optical waveguide from among the respective light beams that have been inputted into the input ends of the plurality of input optical waveguides is prevented from overlapping with the multiplexed light outputted from the output optical waveguide in the output end of the output optical waveguide.
    Type: Application
    Filed: January 27, 2021
    Publication date: May 20, 2021
    Applicant: University of Fukui
    Inventors: Toshio Katsuyama, Shoji Yamada