Patents by Inventor Tetsuya Shibata

Tetsuya Shibata has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11953742
    Abstract: This optical device includes at least one magnetic element including a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, a laser diode, and a waveguide, in which the waveguide includes at least one input waveguide optically connected to the laser diode and an output waveguide connected to the input waveguide, and at least some of light propagating in at least one of the input waveguide and the output waveguide is applied to the magnetic element.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: April 9, 2024
    Assignee: TDK CORPORATION
    Inventors: Tetsuya Shibata, Hideaki Fukuzawa, Tomohito Mizuno, Masahiro Shinkai
  • Publication number: 20240103277
    Abstract: This optical waveguide detection element includes a substrate, an optical waveguide layer formed on the substrate, and a photodetector. The optical waveguide layer includes a first optical waveguide in which visible light having a wavelength of 380 nm to 800 nm propagates, a second optical waveguide in which near-infrared light having a wavelength of 801 nm to 2000 nm propagates, and a third optical waveguide in which light propagates to a light receiving surface of the photodetector. A visible light output port of the first optical waveguide from which the visible light is output, a near-infrared light output port of the second optical waveguide from which the near-infrared light is output, and a reflected light input port of the third optical waveguide to which the near-infrared light is reflected and returned are arranged on one end surface of the optical waveguide layer.
    Type: Application
    Filed: September 26, 2023
    Publication date: March 28, 2024
    Applicant: TDK CORPORATION
    Inventors: Hideaki FUKUZAWA, Tomohito MIZUNO, Tetsuya SHIBATA, Tsuyoshi KOMAKI
  • Publication number: 20240103599
    Abstract: Methods, systems, and devices for programming power management circuits in a system are described. An apparatus may include a set of one or more power management circuits configured to provide one or more operating voltages for the apparatus. The apparatus may also include an interface coupled with a controller via a bus. The apparatus may include a first switching circuit configured to isolate the bus from the controller and to couple the bus with a second switching circuit. The second switching circuit may be configured to isolate the set of one or more power management circuits from the controller and to couple the set of one or more power management circuits with the first switching circuit.
    Type: Application
    Filed: September 28, 2022
    Publication date: March 28, 2024
    Inventors: William A. Lendvay, Paul Zipp, Yoshihisa Fukushima, Mamoru Nagase, Tetsuya Shibata
  • Patent number: 11869989
    Abstract: An electrode structure includes: a metal film with an opening formed in a part of the metal film; and a transparent conductive film disposed in the opening, wherein the transparent conductive film is electronically connected to an element and overlaps with the element as viewed in a plan view in a thickness direction of the transparent conductive film.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: January 9, 2024
    Assignee: TDK CORPORATION
    Inventors: Tomohito Mizuno, Takekazu Yamane, Hideaki Fukuzawa, Tetsuya Shibata
  • Publication number: 20230411189
    Abstract: A substrate processing method includes: a first step of causing, in a state of a substrate holding mechanism not holding a plurality of substrates, a camera to capture an image of the substrate holding mechanism and an image of an interior to generate first image data; a second step of identifying, in a first region indicated by the first image data, a second region being a region in which at least the image of the substrate holding mechanism has been captured; and a third step of comparing a gradient of the first image data distributed in a third region being a region in the first region other than the second region with a threshold for the gradient.
    Type: Application
    Filed: June 7, 2023
    Publication date: December 21, 2023
    Inventor: Tetsuya SHIBATA
  • Patent number: 11821787
    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.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: November 21, 2023
    Assignee: TDK CORPORATION
    Inventors: Takeshi Nojiri, Hideaki Fukuzawa, Tetsuya Shibata, Tomohito Mizuno, Susumu Aoki
  • Patent number: 11817638
    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.
    Type: Grant
    Filed: August 16, 2022
    Date of Patent: November 14, 2023
    Assignee: TDK CORPORATION
    Inventor: Tetsuya Shibata
  • Publication number: 20230341260
    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.
    Type: Application
    Filed: December 12, 2022
    Publication date: October 26, 2023
    Applicant: TDK CORPORATION
    Inventors: Takeshi NOJIRI, Hideaki FUKUZAWA, Tetsuya SHIBATA, Tomohito MIZUNO, Susumu AOKI
  • Publication number: 20230337546
    Abstract: A light detection element include: a magnetic element, a capacitor, and a resistor, wherein the magnetic element and the capacitor are connected in series, the resistor is connected to the magnetic element and the capacitor in parallel, 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, and the magnetic element is configured to be irradiated with a light containing an optical signal with a change of intensity of the light.
    Type: Application
    Filed: April 12, 2023
    Publication date: October 19, 2023
    Applicant: TDK CORPORATION
    Inventors: Tetsuya SHIBATA, Hideaki FUKUZAWA, Tomohito MIZUNO, Arata TSUKAMOTO, Yuichi KASATANI
  • Publication number: 20230333022
    Abstract: An analysis device includes: at least one 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; and a light source configured to emit a light, wherein the light is applied to an object to be analyzed, and the at least one magnetic element is configured to detect a reflected light reflected by the object or a transmitted light transmitted through the object.
    Type: Application
    Filed: April 11, 2023
    Publication date: October 19, 2023
    Applicant: TDK CORPORATION
    Inventors: Hideaki FUKUZAWA, Tomohito MIZUNO, Tetsuya SHIBATA
  • Publication number: 20230327773
    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.
    Type: Application
    Filed: June 15, 2023
    Publication date: October 12, 2023
    Applicant: TDK CORPORATION
    Inventors: Hideaki FUKUZAWA, Tomohito MIZUNO, Tetsuya SHIBATA, Takashi KIKUKAWA
  • Publication number: 20230304855
    Abstract: An optical device includes a magnetic element and a light application part, wherein the light application part configured to apply light to the magnetic element, the magnetic element includes a first ferromagnetic layer to which the light is applied, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, and magnetization of the first ferromagnetic layer is inclined with respect to both an in-plane direction in which the first ferromagnetic layer extends and a surface-perpendicular direction perpendicular to a surface on which the first ferromagnetic layer extends in a state in which the light is not applied from the light application part to the magnetic element.
    Type: Application
    Filed: March 27, 2023
    Publication date: September 28, 2023
    Applicant: TDK CORPORATION
    Inventors: Takekazu YAMANE, Tetsuya SHIBATA, Tomohito MIZUNO, Hideaki FUKUZAWA
  • Publication number: 20230304856
    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.
    Type: Application
    Filed: June 5, 2023
    Publication date: September 28, 2023
    Applicant: TDK CORPORATION
    Inventors: Hideaki FUKUZAWA, Tomohito MIZUNO, Tetsuya SHIBATA
  • Publication number: 20230301196
    Abstract: This optical device includes a light-emitting unit that is configured to emit a light; a first magnetic element; and a circuit, wherein the first 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, a reflected light reflected by an object to be irradiated with the light is applied to the first magnetic element, a first signal corresponding to an emission of the light from the light-emitting unit is input to the circuit, and a second signal corresponding to an application of the reflected light to the first magnetic element is input from the first magnetic element to the circuit.
    Type: Application
    Filed: February 10, 2023
    Publication date: September 21, 2023
    Applicant: TDK CORPORATION
    Inventors: Tomohito MIZUNO, Hideaki FUKUZAWA, Tetsuya SHIBATA
  • Patent number: 11722222
    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.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: August 8, 2023
    Assignee: TDK CORPORATION
    Inventors: Hideaki Fukuzawa, Tomohito Mizuno, Tetsuya Shibata, Takashi Kikukawa
  • Publication number: 20230247913
    Abstract: This light detection element includes a meta-lens that includes nanostructures which are two-dimensionally arranged; and a magnetic element that includes a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer. Light which passes through the meta-lens is applied to the magnetic element.
    Type: Application
    Filed: December 6, 2022
    Publication date: August 3, 2023
    Applicant: TDK CORPORATION
    Inventors: Nobutaka NISHIO, Tetsuya SHIBATA, Tomohito MIZUNO, Hideaki FUKUZAWA
  • Patent number: 11703380
    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.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: July 18, 2023
    Assignee: TDK CORPORATION
    Inventors: Hideaki Fukuzawa, Tomohito Mizuno, Tetsuya Shibata
  • Publication number: 20230194913
    Abstract: The light detection element includes a light-sensitive layer configured to generate a voltage when light is applied, a first electrode, and a second electrode. The light-sensitive layer is located between the first electrode and the second electrode. The second electrode is a metal containing at least one element selected from the group consisting of ruthenium, molybdenum, and tungsten.
    Type: Application
    Filed: December 1, 2022
    Publication date: June 22, 2023
    Applicant: TDK CORPORATION
    Inventors: Tomohito MIZUNO, Hideaki FUKUZAWA, Tetsuya SHIBATA
  • Publication number: 20230178892
    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.
    Type: Application
    Filed: January 27, 2023
    Publication date: June 8, 2023
    Applicant: TDK Corporation
    Inventors: Tetsuya SHIBATA, Naoki SOTOMA
  • Publication number: 20230097100
    Abstract: The optical device includes a magnetic element including a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, and a laser diode. At least a part of light emitted from the laser diode is applied to the magnetic element.
    Type: Application
    Filed: September 7, 2022
    Publication date: March 30, 2023
    Applicant: TDK CORPORATION
    Inventors: Tetsuya SHIBATA, Hideaki FUKUZAWA, Tomohito MIZUNO, Masahiro SHINKAI