Patents Assigned to University of Fukui
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Publication number: 20210152794Abstract: The invention relates to an optical multiplexer, a light source module, a two-dimensional optical scanning device and an image projection device, where the light beam intensity from a plurality of light sources can be attenuated to a desired value without installing an additional optical attenuator element. The optical coupling ratio of an optical coupling part provided in an optical multiplexing unit is set in such a manner that the total intensity of light beams that have been inputted into individual input optical waveguides from the light sources is attenuated by a value in a range from 5 dB to 40 dB at a stage of being outputted as multiplexed light from an output optical waveguide.Type: ApplicationFiled: January 27, 2021Publication date: May 20, 2021Applicant: University of FukuiInventors: Shoji Yamada, Toshio Katsuyama
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Publication number: 20210080727Abstract: 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: ApplicationFiled: January 25, 2019Publication date: March 18, 2021Applicant: UNIVERSITY OF FUKUIInventors: Shoji YAMADA, Toshio KATSUYAMA
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Publication number: 20210059997Abstract: Provided are agents for prevention and therapeutic treatment of cataract that act by a different mechanism from conventional agents, and use of a PPAR activator for production of such agents. An agent for prevention and/or therapeutic treatment of cataract, containing a PPAR activator as an active ingredient, is used.Type: ApplicationFiled: December 27, 2018Publication date: March 4, 2021Applicants: UNIVERSITY OF FUKUI, SANTEN PHARMACEUTICAL CO., LTD.Inventors: Masaya OKI, Fumito KANADA, Kazuma KAMATA, Yoshihiro TAKAMURA, Seiji MIYAKE, Masaru INATANI, Hiroyuki UCHIDA, Miho NOGATA, Masatomo KATO, Koushi FUJISAWA, Shinji TAKAOKA
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Publication number: 20200257108Abstract: 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: ApplicationFiled: April 27, 2020Publication date: August 13, 2020Applicant: National University Corporation University of FukuiInventors: Toshio Katsuyama, Ryoya Ishigami
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Publication number: 20200033590Abstract: 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: ApplicationFiled: October 1, 2019Publication date: January 30, 2020Applicant: University of FukuiInventors: Toshio Katsuyama, Shoji Yamada
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Publication number: 20190367719Abstract: Provided are: a material having high thermal conductivity that includes an alumina fiber sheet and a resin, wherein the material having high thermal conductivity includes 20-90% by mass of the alumina fiber sheet; and a method for producing a material having high thermal conductivity, the method including (1) a step for preparing a fiber sheet that includes an alumina source by electrostatic spinning or dry spinning in which a dispersion including an alumina source and a water-soluble polymer is used as a spinning material, (2) a step for firing the fiber sheet including an alumina source to prepare an alumina fiber sheet, and (3) a step for impregnating the alumina fiber sheet with a resin solution having a resin concentration of 10% by weight or less.Type: ApplicationFiled: January 17, 2018Publication date: December 5, 2019Applicants: UNIVERSITY OF FUKUI, NISSAN CHEMICAL CORPORATIONInventors: Koji Nakane, Shuya Gao, Akiyoshi Ogoshi, Takeshi Suwa, Tadayuki Isaji, Masaaki Ozawa
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Patent number: 10408999Abstract: 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: GrantFiled: December 6, 2018Date of Patent: September 10, 2019Assignee: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUIInventors: Toshio Katsuyama, Akira Nakao
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Publication number: 20190107675Abstract: 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: ApplicationFiled: December 6, 2018Publication date: April 11, 2019Applicant: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUIInventors: Toshio Katsuyama, Akira Nakao
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Publication number: 20190101746Abstract: 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: ApplicationFiled: November 16, 2018Publication date: April 4, 2019Applicant: National University Corporation University of FukuiInventors: Toshio Katsuyama, Ryoya Ishigami
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Patent number: 10185091Abstract: 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: GrantFiled: January 10, 2018Date of Patent: January 22, 2019Assignee: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUIInventors: Toshio Katsuyama, Akira Nakao
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Publication number: 20180335434Abstract: The disclosure relates to a method of detecting circulating tumor cells (CTCs) in a subject, diagnosing cancer, and/or treating a subject in need thereof.Type: ApplicationFiled: May 16, 2018Publication date: November 22, 2018Applicants: HITACHI CHEMICAL COMPANY, LTD., National University Corporation UNIVERSITY OF FUKUIInventors: Katsuya Endou, Hisashige Kanbara, Tatsuya Matsunaga, Yasunari Nakamoto, Kazuto Takahashi, Kazuya Ofuji, Katsushi Hiramatsu, Takuto Nosaka
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Publication number: 20180156977Abstract: 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: ApplicationFiled: January 10, 2018Publication date: June 7, 2018Applicant: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUIInventors: Toshio Katsuyama, Akira Nakao
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Patent number: 9952389Abstract: 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: GrantFiled: March 5, 2015Date of Patent: April 24, 2018Assignee: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUIInventors: Toshio Katsuyama, Akira Nakao
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Publication number: 20170146744Abstract: 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: ApplicationFiled: March 5, 2015Publication date: May 25, 2017Applicant: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUIInventors: Toshio Katsuyama, Akira Nakao
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Patent number: 9494600Abstract: Provided is a method of measuring and comparing multimer FSP1 and monomer FSP1 by using an FSP1-specific antibody and the like.Type: GrantFiled: November 8, 2013Date of Patent: November 15, 2016Assignees: National University Corporation University of Fukui, DS Pharma Biomedical Co., Ltd.Inventors: Masayuki Iwano, Hiroyuki Funaoka
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Patent number: 9395366Abstract: The present invention provides a method of detecting dermatophyte, which does not require a complicated operation such as an enzyme treatment and a heat treatment. The present invention provides a method of detecting dermatophyte, including a step of extracting a dermatophyte component from a sample with a treatment liquid containing a non-ionic surfactant or a zwitterionic surfactant, and a kit for diagnosing dermatophyte infection, containing a treatment liquid comprising the above surfactant, and an antibody specifically recognizing a dermatophyte component, which are housed in separate containers.Type: GrantFiled: January 16, 2015Date of Patent: July 19, 2016Assignees: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUI, JNC CORPORATIONInventor: Sakon Noriki
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Patent number: 9347949Abstract: The present invention provides a compound represented by the formula (I): or a salt thereof; and a method of quantitatively analyzing an amino group-containing target substance, including labeling a target substance in samples by using, as a labeling compound, two or more of such compounds having a mutually different mass due to isotope labeling, to confer a mass difference to the target substance between two or more samples, and the like.Type: GrantFiled: March 28, 2013Date of Patent: May 24, 2016Assignees: National University Corporation University of Fukui, Hokuriku University, Taiyo Nippon Sanso CorporationInventors: Shigeru Matsukawa, Kazumi Narita, Yasushi Arakawa, Haruki Shimodaira
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Patent number: 9192768Abstract: Implementation including a brain activity data acquisition unit configured to acquire data on brain activity of a human body; a generator configured to generate a stimulation signal based on predetermined stimulation parameters or stimulation parameters determined from the data acquired by the brain activity data acquisition unit, the stimulation signal being to be applied, for activity of a specific brain region to be activated in order to move a joint of the human body, to a nerve corresponding to the specific brain region; and an output unit configured to output the stimulation signal generated by the generator.Type: GrantFiled: October 14, 2011Date of Patent: November 24, 2015Assignees: The University of Electro-Communications, The University of Tokyo, National University Corporation University of FukuiInventors: Hiroshi Yokoi, Ryu Kato, Tatsuhiro Nakamura, Soichiro Morishita, Osamu Yamamura
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Patent number: 8962264Abstract: The present invention provides a method of detecting dermatophyte, which does not require a complicated operation such as an enzyme treatment and a heat treatment. The present invention provides a method of detecting dermatophyte, including a step of extracting a dermatophyte component from a sample with a treatment liquid containing a non-ionic surfactant or a zwitterionic surfactant, and a kit for diagnosing dermatophyte infection, containing a treatment liquid comprising the above surfactant, and an antibody specifically recognizing a dermatophyte component, which are housed in separate containers.Type: GrantFiled: March 19, 2007Date of Patent: February 24, 2015Assignees: National University Corporation University of Fukui, JNC CorporationInventor: Sakon Noriki
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Publication number: 20140363653Abstract: A structural fiber product usable as an adsorbent or the like is provided. A graft component for forming a graft chain is graft-polymerized onto a structural fiber object; the structural fiber object comprises a fiber assembly comprising at least a conjugated fiber, and an ethylene-vinyl alcohol-series copolymer exists on at least part of a surface of the fiber. The graft polymerization may be conducted, for example, by exposing a structural fiber object to radiation to generate an active species and immersing the structural fiber object in a liquid containing a graft component to bring the structural fiber object into contact with the graft component. According to the method, the graft component can be polymerized at a high degree of grafting, and a structural fiber product having an excellent adsorption characteristic is obtained.Type: ApplicationFiled: June 7, 2012Publication date: December 11, 2014Applicants: University of Fukui, Kuraray Co., Ltd.Inventors: Teruo Hori, Tomoki Sakai, Hideki Hoshiro, Atsumi Adachi, Yasuro Araida, Sumito Kiyooka