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公开(公告)号：US20160189877A1
公开(公告)日：2016-06-30
申请号：US14908804
申请日：2014-07-31
Inventor： Mami KITSUDA , Daisuke MATSUMOTO
IPC: H01G9/20
CPC classification number: H01G9/209 , H01G9/2027 , H01G9/2031 , H01G9/2059 , H01G9/2077 , Y02E10/542
Abstract: A dye-sensitized solar cell (DSC) element includes at least one DSC. The DSC includes a first base material having a transparent substrate, a second base material facing the first base material, an oxide semiconductor layer provided between the first and second base materials, and a sealing portion connecting the first and second base materials. One transparent substrate is provided for the at least one DSC, and a coating layer covering a light receiving surface, which is opposite to the second base material, of the transparent substrate and transmitting light is provided on the first base material. The coating layer includes an annular peripheral portion, and a center portion provided at the inner side of the peripheral portion. An average thickness of the peripheral portion is smaller than a maximum thickness of the center portion, and the coating layer has a refractive index higher than that of the transparent substrate.
Abstract translation: 染料敏化太阳能电池（DSC）元件包括至少一个DSC。 DSC包括具有透明基板的第一基材，与第一基材相对的第二基材，设置在第一和第二基材之间的氧化物半导体层和连接第一和第二基材的密封部。 为所述至少一个DSC提供一个透明基板，并且在所述第一基材上设置覆盖所述透明基板和所述透光的与所述第二基材相对的受光面的涂层。 涂层包括环形周边部分和设置在周边部分的内侧的中心部分。 周边部分的平均厚度小于中心部分的最大厚度，并且涂层的折射率高于透明基板的折射率。
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公开(公告)号：US12224472B2
公开(公告)日：2025-02-11
申请号：US17922696
申请日：2022-08-08
Applicant: Fujikura Ltd.
Inventor： Yusuke Uemichi
Abstract: A connecting portion includes a first connection line configured to connect a signal line of a first digital phase shift circuit and a signal line of a second digital phase shift circuit, second connection lines configured to connect inner lines of the first digital phase shift circuit and inner lines of the second digital phase shift circuit, ground layers disposed above and below the first connection line and the second connection lines, and first via holes configured to connect at least the second connection lines and the ground layers.
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公开(公告)号：US20250035861A1
公开(公告)日：2025-01-30
申请号：US18713401
申请日：2022-07-07
Applicant: Fujikura Ltd.
Inventor： Hau Huu Tran , Hirohisa Suda , Kenji Sasaki , Takaaki Ishikawa
IPC: G02B6/38
Abstract: An optical connection structure includes a first ferrule, a second ferrule, and a split sleeve that has an insertion hole into which at least part of the first ferule and at least part of the second ferule are inserted, in which the split sleeve has a first end in which the first ferrule is inserted and a second end in which the second ferrule is inserted, and when assuming that a dimension of a first taper surface is x1, a distance between a first connection end surface and the first end is y1, a dimension of the second taper surface is x2, and a distance between a second connection end surface and the second end is y2, the following expressions a, b, and c are established. a : X = x 1 / x 2 b : Y = y 1 / y 2 c : ( 3 X + 2 ) / 5
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公开(公告)号：US20250026607A1
公开(公告)日：2025-01-23
申请号：US18715511
申请日：2023-02-03
Applicant: Fujikura Ltd.
Inventor： Naoya Maehara , Go Taki , Minoru Takahashi , Akira Namazue , Shengyang Luo , Ken Osato
Abstract: A cable accommodating body includes one or more cable bundles made of a wound cable and not having any winding core and one or more first containers accommodating the one or more cable bundles and having a first outlet and a second outlet through each of which the wound cable is pulled out from an inside of the one or more first containers.
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公开(公告)号：US12197013B2
公开(公告)日：2025-01-14
申请号：US17762161
申请日：2020-11-09
Applicant: Fujikura Ltd.
Inventor： Tomoyuki Shinoda , Masayuki Hirose , Takaaki Ishikawa , Shigeo Takahashi
Abstract: An optical fiber pitch conversion jig for converting a pitch among optical fibers by inserting the optical fibers from a first end of the optical fiber pitch conversion jig and making the optical fibers protrude from a second end of the optical fiber pitch conversion jig, the optical fiber pitch conversion jig includes: a groove portion including grooves extending from the first end to the second end, a first linear part on a side closer to the first end and in which a pitch among the grooves is a first pitch, and a pitch change part that is continuous with the first linear part and in which the pitch widens to a second pitch larger than the first pitch. In the pitch change part, at least one of the grooves is curved.
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Patent Agency Ranking
公开(公告)号：US12160077B2
公开(公告)日：2024-12-03
申请号：US17433182
申请日：2020-03-27
Applicant: Fujikura Ltd.
Inventor： Ryoichi Nishimura , Rintaro Kitahara
Abstract: An active element-doped optical fiber includes: a core that includes first and second regions. The first region ranges from a central axis to a predetermined radius, and is doped with an active element excited by excitation light. The second region surrounds the first region with no gap, extends to an outer peripheral surface of the core, and is not doped with the active element. The core satisfies 0.1 d
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公开(公告)号：US20240393553A1
公开(公告)日：2024-11-28
申请号：US18692983
申请日：2022-08-08
Applicant: FUJIKURA LTD.
Inventor： Takuya Oda
IPC: G02B6/44
Abstract: A fiber assembly includes multi-core fibers each having a first end and a second end. The first end and the second end are distinguishable from each other. The multi-core fibers are bundled such that: the first end of one of the multi-core fibers is closer to a first end of the fiber assembly than to a second end of the fiber assembly, and the second end of another of the multi-core fibers is closer to the first end of the fiber assembly than to the second end of the fiber assembly.
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公开(公告)号：US20240329348A1
公开(公告)日：2024-10-03
申请号：US18580021
申请日：2022-04-19
Applicant: Fujikura Ltd.
Inventor： Shogo Shimizu , Soichiro Kaneko , Akira Namazue , Ken Osato
IPC: G02B6/44
CPC classification number: G02B6/4433 , G02B6/449
Abstract: An optical cable includes optical fiber units each including a bundle of optical fibers. The optical fiber units are twisted together in an S-Z configuration in which a twisting direction of the optical fiber units is reversed at a reversal part and an adjacent reversal part adjacent to the reversal part. A twisting angle, by which the optical fiber units are twisted in a circumferential direction between the reversal part and the adjacent reversal part, is 540 degrees or greater.
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公开(公告)号：US12107379B2
公开(公告)日：2024-10-01
申请号：US17422267
申请日：2020-02-27
Applicant: Fujikura Ltd.
Inventor： Shinichi Sakamoto , Yasuto Chiba , Wataru Kiyoyama , Yutaka Yamaguchi , Takashi Hasunuma
CPC classification number: H01S3/094053 , B23K26/705 , H01S3/0014 , H01S3/005 , H01S3/06708
Abstract: A laser device includes at least one light source; a delivery fiber that is configured to propagate of laser light emitted from the light source; and a first light detection unit and a second light detection unit configured to detect a part of light propagating in a direction opposite to a propagation direction of the laser light through the delivery fiber. The first light detection unit detects first light included in a wavelength band of visible light. The second light detection unit detects second light included in a wavelength band of near-infrared light.
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公开(公告)号：US20240319463A1
公开(公告)日：2024-09-26
申请号：US18578638
申请日：2022-04-25
Applicant: Fujikura Ltd.
Inventor： Noriaki Yamashita , Itaru Ishida , Ken Osato
IPC: G02B6/44
CPC classification number: G02B6/4403
Abstract: An optical fiber ribbon includes five or more optical fibers disposed in a disposition direction perpendicular to a longitudinal direction of the optical fiber ribbon and connection parts disposed intermittently in the longitudinal and disposition directions. Each of the connection parts is disposed between and connects adjacent ones of the optical fibers. The optical fiber ribbon has a first high-density region and a first low-density region disposed at different positions in the longitudinal direction and a second high-density region and a second low-density region disposed at different positions in the longitudinal direction. At least two of the connection parts having different positions from each other in the longitudinal and disposition directions are disposed in the first high-density region. At least another two of the connection parts having different positions from each other in the longitudinal and disposition directions are disposed in the second high-density region.
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