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: 12218161Abstract: An optical sensor includes a wavelength filter configured to transmit light in a specific wavelength range and 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. The light passing through the wavelength filter is applied to the magnetic element and the light applied to the magnetic element is detected.Type: GrantFiled: December 22, 2021Date of Patent: February 4, 2025Assignee: TDK CORPORATIONInventors: Hideaki Fukuzawa, Dai Matsuoka, Tomohito Mizuno, Tetsuya Shibata
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Patent number: 12207571Abstract: An interconnect structure includes: an interconnect layer containing a metal element as a main component and extending in a direction; a metal layer opposite to the interconnect layer, and a solid electrolyte layer between the interconnect layer and the metal layer. The solid electrolyte layer encloses the interconnect layer at least in a cross-sectional view taken along a plane orthogonal to the direction. The interconnect layer and the metal layer are electrically insulated from each other by the solid electrolyte layer.Type: GrantFiled: August 31, 2020Date of Patent: January 21, 2025Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Asami Nishikawa, Satoshi Shibata, Yu Nishitani, Tetsuya Asano, Takuji Tsujita, Yuta Sugimoto
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Patent number: 12181948Abstract: 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: GrantFiled: September 28, 2022Date of Patent: December 31, 2024Assignee: Micron Technology, Inc.Inventors: William A. Lendvay, Paul Zipp, Yoshihisa Fukushima, Mamoru Nagase, Tetsuya Shibata
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Publication number: 20240402499Abstract: A method for manufacturing a video laser module including: a substrate provided with an optical waveguide; and a subcarrier with a laser light source mounted thereon, the method including: while supplying an electric current to the laser light source via an electrode provided in the subcarrier and oscillating a laser from the laser light source, approaching the subcarrier to an input port of the optical waveguide provided in the substrate; detecting a light intensity at an output port of the optical waveguide; adjusting a position of the subcarrier so that the light intensity is maximized; and metal-bonding the subcarrier and the substrate at a position of the subcarrier where the light intensity is maximized.Type: ApplicationFiled: August 12, 2024Publication date: December 5, 2024Applicant: TDK CorporationInventors: Hideaki FUKUZAWA, Tomohito Mizuno, Tetsuya Shibata, Tsuyoshi Komaki
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Patent number: 12152934Abstract: 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: GrantFiled: March 27, 2023Date of Patent: November 26, 2024Assignee: TDK CORPORATIONInventors: Takekazu Yamane, Tetsuya Shibata, Tomohito Mizuno, Hideaki Fukuzawa
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Patent number: 12124096Abstract: 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: January 12, 2024Date of Patent: October 22, 2024Assignee: TDK CORPORATIONInventors: Tetsuya Shibata, Hideaki Fukuzawa, Tomohito Mizuno, Masahiro Shinkai
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Publication number: 20240332323Abstract: An optical detection device includes first photoelectric conversion element that outputs first output when first photoelectric conversion element is irradiated with light pulse, and second photoelectric conversion element that outputs second output when second photoelectric conversion element is irradiated with light pulse. The optical detection device is configured to combine first signal caused by first output and second signal caused by second output when first photoelectric conversion element and second photoelectric conversion element are irradiated with same light pulse each other, in a state where first condition and second condition are satisfied. The first condition is condition that time position of peak of first signal is different from time position of peak of second signal. The second condition is condition that sign of amount of change until the first signal reaches the peak is different from a sign of the amount of change until the second signal reaches the peak.Type: ApplicationFiled: March 20, 2024Publication date: October 3, 2024Applicant: TDK CorporationInventors: Takekazu YAMANE, Tetsuya SHIBATA, Takeshi NOJIRI, Weihao ZHANG, Hideaki FUKUZAWA
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Publication number: 20240332888Abstract: 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.Type: ApplicationFiled: March 26, 2024Publication date: October 3, 2024Applicant: TDK CORPORATIONInventors: Tomohito Mizuno, Hideaki Fukuzawa, Tsuyoshi Komaki, Tetsuya Shibata, Takeshi Nojiri
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Publication number: 20240329165Abstract: This optical detection device includes a first photoelectric conversion element that outputs a first output, and a second photoelectric conversion element that outputs a second output, and is configured to combine a first signal caused by the first output with a second signal caused by the second output, in a state where a first condition and a second condition are satisfied. The first condition is a condition that an absolute value of an amount of change until the first signal reaches a peak is different from an absolute value of an amount of change until the second signal reaches a peak, and the second condition is a condition that a sign of the amount of change until the first signal reaches the peak is different from a sign of the amount of change until the second signal reaches the peak.Type: ApplicationFiled: March 7, 2024Publication date: October 3, 2024Applicant: TDK CORPORATIONInventors: Takekazu YAMANE, Tetsuya SHIBATA, Weihao ZHANG, Hideaki FUKUZAWA
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Patent number: 12107631Abstract: 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: June 15, 2023Date of Patent: October 1, 2024Assignee: TDK CORPORATIONInventors: Hideaki Fukuzawa, Tomohito Mizuno, Tetsuya Shibata, Takashi Kikukawa
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Patent number: 12085721Abstract: 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: GrantFiled: September 26, 2023Date of Patent: September 10, 2024Assignee: TDK CORPORATIONInventors: Hideaki Fukuzawa, Tomohito Mizuno, Tetsuya Shibata, Tsuyoshi Komaki
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Patent number: 12080957Abstract: 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: GrantFiled: January 27, 2023Date of Patent: September 3, 2024Assignee: TDK CORPORATIONInventors: Tetsuya Shibata, Naoki Sotoma
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Patent number: 12068784Abstract: 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: June 15, 2023Date of Patent: August 20, 2024Assignee: TDK CORPORATIONInventors: Hideaki Fukuzawa, Tomohito Mizuno, Tetsuya Shibata, Takashi Kikukawa
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Publication number: 20240151919Abstract: 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: ApplicationFiled: January 12, 2024Publication date: May 9, 2024Applicant: TDK CORPORATIONInventors: Tetsuya SHIBATA, Hideaki FUKUZAWA, Tomohito MIZUNO, Masahiro SHINKAI
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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