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公开(公告)号：US20240332888A1
公开(公告)日：2024-10-03
申请号：US18616913
申请日：2024-03-26
Applicant: TDK CORPORATION
Inventor： Tomohito Mizuno , Hideaki Fukuzawa , Tsuyoshi Komaki , Tetsuya Shibata , Takeshi Nojiri
IPC: H01S5/02253 , G02B1/00 , G02B3/08 , G02B27/30 , H01S5/40
CPC classification number: H01S5/02253 , G02B1/002 , G02B3/08 , G02B27/30 , H01S5/4093
Abstract: A laser module includes: a light source that emits laser light; a housing that accommodates the light source and is provided with an emission port through which the laser light is emitted; a sealing member having optical transparency that seals the emission port and has a first surface and a second surface intersecting an emission direction of the laser light; and a first metasurface lens provided on the first surface.
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公开(公告)号：US12107631B2
公开(公告)日：2024-10-01
申请号：US18210333
申请日：2023-06-15
Applicant: TDK CORPORATION
Inventor： Hideaki Fukuzawa , Tomohito Mizuno , Tetsuya Shibata , Takashi Kikukawa
IPC: H04B10/40 , H04B10/50 , H04B10/532
CPC classification number: H04B10/503 , H04B10/40 , H04B10/532
Abstract: A transceiver device includes: a receiving device including a magnetic element having a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, wherein the receiving device is configured to receive an optical signal; a transmission device including a modulated light output element, wherein the transmission device is configured to transmit an optical signal; and a circuit chip including an integrated circuit electrically connected to the magnetic element and the modulated light output element.
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公开(公告)号：US12068784B2
公开(公告)日：2024-08-20
申请号：US18210333
申请日：2023-06-15
Applicant: TDK CORPORATION
Inventor： Hideaki Fukuzawa , Tomohito Mizuno , Tetsuya Shibata , Takashi Kikukawa
IPC: H04B10/40 , H04B10/50 , H04B10/532
CPC classification number: H04B10/503 , H04B10/40 , H04B10/532
Abstract: A transceiver device includes: a receiving device including a magnetic element having a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, wherein the receiving device is configured to receive an optical signal; a transmission device including a modulated light output element, wherein the transmission device is configured to transmit an optical signal; and a circuit chip including an integrated circuit electrically connected to the magnetic element and the modulated light output element.
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公开(公告)号：US10854950B2
公开(公告)日：2020-12-01
申请号：US15906799
申请日：2018-02-27
Applicant: TDK CORPORATION
Inventor： Naoki Sotoma , Tetsuya Shibata , Yasuyuki Hara
IPC: H01Q3/38 , H01Q13/10 , H01Q1/48 , H01Q9/04 , H01Q1/22 , H01Q25/00 , H01Q21/28 , H01Q21/06 , H01Q3/36
Abstract: Disclosed herein is an antenna device that includes a substrate, an IC chip mounted on the substrate, a first antenna element including a plurality of patch antenna conductors that is supplied with power from the IC chip and that radiates a beam in a direction substantially perpendicular to the substrate, and a second antenna element that is supplied with power from the IC chip and that radiates a beam in a first horizontal direction substantially parallel to the substrate.
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公开(公告)号：US10483458B2
公开(公告)日：2019-11-19
申请号：US15764848
申请日：2016-06-02
Applicant: TDK CORPORATION
Inventor： Junichiro Urabe , Tetsuya Shibata , Atsushi Shimura , Takekazu Yamane , Tsuyoshi Suzuki
Abstract: A magnetoresistive effect device including a magnetoresistive effect element with which a high-frequency filter can be realized is provided. Magnetoresistive effect device includes: at least one magnetoresistive effect element including a magnetization fixed layer, spacer layer, and magnetization free layer in which magnetization direction is changeable; first and second port; signal line; and direct-current input terminal. First and second ports are connected to each other via signal line. Magnetoresistive effect element is connected to signal line and is to be connected to ground in parallel to second port. Direct-current input terminal is connected to signal line. A closed circuit including magnetoresistive effect element, signal line, ground, and direct-current input terminal is to be formed.
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Patent Agency Ranking
公开(公告)号：US09385425B2
公开(公告)日：2016-07-05
申请号：US13896594
申请日：2013-05-17
Applicant: TDK CORPORATION
Inventor： Yasuyuki Hara , Kenji Endou , Tetsuya Shibata
Abstract: The present invention is to provide an antenna device with the isolation among feedpoints being further improved. In order to achieve this goal, the present invention provides an antenna device provided with a substrate having a ground area, and a first conductor, a second conductor and a third conductor. In the antenna, one end of the second conductor is connected to the ground area via a first feedpoint and the other end of the second conductor is connected to the first conductor. A second feedpoint is included serially in the third conductor at any position. Further, at least part of the third conductor is disposed opposite to the first conductor, and both ends of the third conductor are connected to the ground area.
Abstract translation: 本发明是提供一种天线装置，进一步提高馈电点之间的隔离。 为了实现这一目标，本发明提供一种天线装置，其具有地面积的基板和第一导体，第二导体和第三导体。 在天线中，第二导体的一端通过第一馈电点连接到接地区，而第二导体的另一端连接到第一导体。 在任何位置的第三个导体中连续包含第二个馈入点。 此外，第三导体的至少一部分设置成与第一导体相对，并且第三导体的两端连接到接地区域。
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公开(公告)号：US11821787B2
公开(公告)日：2023-11-21
申请号：US18079388
申请日：2022-12-12
Applicant: TDK CORPORATION
Inventor： Takeshi Nojiri , Hideaki Fukuzawa , Tetsuya Shibata , Tomohito Mizuno , Susumu Aoki
CPC classification number: G01J1/4257 , G02B6/4298 , H10N50/80
Abstract: The light detection element includes a magnetic element and an optical waveguide. The magnetic element includes a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer. The optical waveguide includes at least a core and a cladding covering at least a part of the core. Light that has propagated through the optical waveguide is applied to the magnetic element.
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公开(公告)号：US11817638B2
公开(公告)日：2023-11-14
申请号：US17888723
申请日：2022-08-16
Applicant: TDK Corporation
Inventor： Tetsuya Shibata
CPC classification number: H01Q9/045 , H01Q1/48 , H01Q19/005 , H01Q9/0435 , H01Q21/065
Abstract: Disclosed herein is a patch antenna that includes a first dielectric layer in which a patch conductor is provided, a second dielectric layer in which a signal line extending in a direction parallel to the patch conductor is provided, a feed conductor provided perpendicularly to the patch conductor so as to connect one end of the signal line and a feed point for the patch conductor, a first ground pattern provided between the patch conductor and the signal line, and a second ground pattern provided on an opposite side to the first ground pattern with respect to the signal line. The first dielectric layer has a dielectric constant lower than that of the second dielectric layer.
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公开(公告)号：US11703380B2
公开(公告)日：2023-07-18
申请号：US17507088
申请日：2021-10-21
Applicant: TDK CORPORATION
Inventor： Hideaki Fukuzawa , Tomohito Mizuno , Tetsuya Shibata
CPC classification number: G01J1/42 , H01F10/329 , H04B10/40
Abstract: A receiving device includes a magnetic element having a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, wherein the first ferromagnetic layer is configured to be irradiated with light containing an optical signal with a change of intensity of the light, and wherein the receiving device is configured to receive the optical signal on a basis of an output voltage from the magnetic element.
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公开(公告)号：US11329379B2
公开(公告)日：2022-05-10
申请号：US16191060
申请日：2018-11-14
Applicant: TDK Corporation
Inventor： Tetsuya Shibata , Naoki Sotoma
Abstract: Disclosed herein is a dual band patch antenna that includes a first feeding part, first and second radiation conductors, a first feeding conductor having one end connected to the first feeding part and other end connected to the first radiation conductor, a second feeding conductor having one end connected to the first feeding part and other end connected to the second radiation conductor, a first open stub having one end connected to the first feeding conductor and other end opened, and a second open stub having one end connected to the second feeding conductor and other end opened.
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