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公开(公告)号：US12050342B2
公开(公告)日：2024-07-30
申请号：US17605871
申请日：2021-02-05
Applicant: University of Fukui
Inventor： Akira Nakao , Toshio Katsuyama , Shoji Yamada , Hitoshi Higuchi
CPC classification number: G02B6/12007 , G02B6/125
Abstract: 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.
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公开(公告)号：US20220299771A1
公开(公告)日：2022-09-22
申请号：US17634404
申请日：2020-12-17
Applicant: UNIVERSITY OF FUKUI
Inventor： Shoji YAMADA , Toshio KATSUYAMA , Akira NAKAO
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.
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公开(公告)号：US20220163474A1
公开(公告)日：2022-05-26
申请号：US17432973
申请日：2020-03-17
Applicant: Figaro Engineering Inc. , University of Fukui
Inventor： Masakazu SAI , Kenichi YOSHIOKA , Kuniyuki IZAWA , Toshikazu SAKAGUCHI
Abstract: 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.
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公开(公告)号：US11257232B2
公开(公告)日：2022-02-22
申请号：US16612102
申请日：2018-05-07
Applicant: UNIVERSITY OF FUKUI
Inventor： Motoharu Fujigaki , Yuichi Akatsuka , Daishi Takata
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.
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公开(公告)号：US20210149111A1
公开(公告)日：2021-05-20
申请号：US17159643
申请日：2021-01-27
Applicant: University of Fukui
Inventor： Toshio Katsuyama , Shoji Yamada
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.
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Patent Agency Ranking
公开(公告)号：US20250146214A1
公开(公告)日：2025-05-08
申请号：US19016174
申请日：2025-01-10
Applicant: DAIKIN INDUSTRIES, LTD. , UNIVERSITY OF FUKUI
Inventor： Tatsunori SAKAMAKI , Masahiro HIGASHI , Teruo HORI , Kazumasa HIROGAKI , Isao TABATA
IPC: D06M15/356 , D06M101/32
Abstract: 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.
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公开(公告)号：US20250136674A1
公开(公告)日：2025-05-01
申请号：US18835365
申请日：2022-02-03
Applicant: Kyoto University , University of Fukui , Aichi Prefecture , Osaka University
Inventor： Katsu TAKAHASHI , Manabu SUGAI , Yoshihito TOKITA , Junichi TAKAGI , Emiko MIHARA
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.
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公开(公告)号：US12174381B2
公开(公告)日：2024-12-24
申请号：US17634404
申请日：2020-12-17
Applicant: UNIVERSITY OF FUKUI
Inventor： Shoji Yamada , Toshio Katsuyama , Akira Nakao
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.
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公开(公告)号：US20240383930A1
公开(公告)日：2024-11-21
申请号：US18691966
申请日：2022-09-30
Applicant: UNIVERSITY OF FUKUI , MARUZEN PETROCHEMICAL CO., LTD.
Inventor： Shinji SUGIHARA , Tadashi YAMAZAKI
IPC: C07F9/40
Abstract: 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.-
公开(公告)号：US12078606B2
公开(公告)日：2024-09-03
申请号：US17432973
申请日：2020-03-17
Applicant: Figaro Engineering Inc. , University of Fukui
Inventor： Masakazu Sai , Kenichi Yoshioka , Kuniyuki Izawa , Toshikazu Sakaguchi
CPC classification number: G01N27/128 , B01D53/228 , B01D53/229 , B01D69/02 , B01D69/108 , B01D71/44 , G01N27/126 , G01N33/0047 , B01D2325/20
Abstract: 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.
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