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).
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Patent number: 11953742Abstract: 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: GrantFiled: March 14, 2022Date of Patent: April 9, 2024Assignee: TDK CORPORATIONInventors: Tetsuya Shibata, Hideaki Fukuzawa, Tomohito Mizuno, Masahiro Shinkai
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Publication number: 20240103277Abstract: 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: ApplicationFiled: September 26, 2023Publication date: March 28, 2024Applicant: TDK CORPORATIONInventors: Hideaki FUKUZAWA, Tomohito MIZUNO, Tetsuya SHIBATA, Tsuyoshi KOMAKI
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Publication number: 20240103599Abstract: 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: ApplicationFiled: September 28, 2022Publication date: March 28, 2024Inventors: William A. Lendvay, Paul Zipp, Yoshihisa Fukushima, Mamoru Nagase, Tetsuya Shibata
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Patent number: 11869989Abstract: 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: GrantFiled: October 25, 2021Date of Patent: January 9, 2024Assignee: TDK CORPORATIONInventors: Tomohito Mizuno, Takekazu Yamane, Hideaki Fukuzawa, Tetsuya Shibata
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Publication number: 20230411189Abstract: 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: ApplicationFiled: June 7, 2023Publication date: December 21, 2023Inventor: Tetsuya SHIBATA
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Patent number: 11821787Abstract: 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: GrantFiled: December 12, 2022Date of Patent: November 21, 2023Assignee: TDK CORPORATIONInventors: Takeshi Nojiri, Hideaki Fukuzawa, Tetsuya Shibata, Tomohito Mizuno, Susumu Aoki
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Patent number: 11817638Abstract: 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: GrantFiled: August 16, 2022Date of Patent: November 14, 2023Assignee: TDK CORPORATIONInventor: Tetsuya Shibata
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Publication number: 20230341260Abstract: 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: ApplicationFiled: December 12, 2022Publication date: October 26, 2023Applicant: TDK CORPORATIONInventors: Takeshi NOJIRI, Hideaki FUKUZAWA, Tetsuya SHIBATA, Tomohito MIZUNO, Susumu AOKI
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Publication number: 20230337546Abstract: 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: ApplicationFiled: April 12, 2023Publication date: October 19, 2023Applicant: TDK CORPORATIONInventors: Tetsuya SHIBATA, Hideaki FUKUZAWA, Tomohito MIZUNO, Arata TSUKAMOTO, Yuichi KASATANI
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Publication number: 20230333022Abstract: 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: ApplicationFiled: April 11, 2023Publication date: October 19, 2023Applicant: TDK CORPORATIONInventors: Hideaki FUKUZAWA, Tomohito MIZUNO, Tetsuya SHIBATA
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Publication number: 20230327773Abstract: 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: ApplicationFiled: June 15, 2023Publication date: October 12, 2023Applicant: TDK CORPORATIONInventors: Hideaki FUKUZAWA, Tomohito MIZUNO, Tetsuya SHIBATA, Takashi KIKUKAWA
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Publication number: 20230304855Abstract: 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: ApplicationFiled: March 27, 2023Publication date: September 28, 2023Applicant: TDK CORPORATIONInventors: Takekazu YAMANE, Tetsuya SHIBATA, Tomohito MIZUNO, Hideaki FUKUZAWA
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Publication number: 20230304856Abstract: 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: ApplicationFiled: June 5, 2023Publication date: September 28, 2023Applicant: TDK CORPORATIONInventors: Hideaki FUKUZAWA, Tomohito MIZUNO, Tetsuya SHIBATA
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Publication number: 20230301196Abstract: 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: ApplicationFiled: February 10, 2023Publication date: September 21, 2023Applicant: TDK CORPORATIONInventors: Tomohito MIZUNO, Hideaki FUKUZAWA, Tetsuya SHIBATA
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Patent number: 11722222Abstract: 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: GrantFiled: October 21, 2021Date of Patent: August 8, 2023Assignee: TDK CORPORATIONInventors: Hideaki Fukuzawa, Tomohito Mizuno, Tetsuya Shibata, Takashi Kikukawa
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Publication number: 20230247913Abstract: 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: ApplicationFiled: December 6, 2022Publication date: August 3, 2023Applicant: TDK CORPORATIONInventors: Nobutaka NISHIO, Tetsuya SHIBATA, Tomohito MIZUNO, Hideaki FUKUZAWA
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Patent number: 11703380Abstract: 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: GrantFiled: October 21, 2021Date of Patent: July 18, 2023Assignee: TDK CORPORATIONInventors: Hideaki Fukuzawa, Tomohito Mizuno, Tetsuya Shibata
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Publication number: 20230194913Abstract: 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: ApplicationFiled: December 1, 2022Publication date: June 22, 2023Applicant: TDK CORPORATIONInventors: Tomohito MIZUNO, Hideaki FUKUZAWA, Tetsuya SHIBATA
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Publication number: 20230178892Abstract: 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: ApplicationFiled: January 27, 2023Publication date: June 8, 2023Applicant: TDK CorporationInventors: Tetsuya SHIBATA, Naoki SOTOMA
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Publication number: 20230097100Abstract: 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: ApplicationFiled: September 7, 2022Publication date: March 30, 2023Applicant: TDK CORPORATIONInventors: Tetsuya SHIBATA, Hideaki FUKUZAWA, Tomohito MIZUNO, Masahiro SHINKAI