Patents by Inventor Atsushi Shimura
Atsushi Shimura 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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Publication number: 20240126015Abstract: This optical coupler for coupling a plurality of visible light beams having different wavelengths includes: a substrate made of a material different from lithium niobate; and an optical coupling function layer formed on a main surface of the substrate. The optical coupling function layer includes: two multimode-interference-type optical coupling parts; optical-input-side waveguides and an optical-output-side waveguide connected to one multimode-interference-type optical coupling part, and optical-input-side waveguides and an optical-output-side waveguide connected to the other multimode-interference-type optical coupling part. The multimode-interference-type optical coupling parts, the optical-input-side waveguides, and the optical-output-side waveguides are made of a lithium niobate film.Type: ApplicationFiled: October 6, 2023Publication date: April 18, 2024Applicant: TDK CORPORATIONInventors: Hajime UTSUNOMIYA, Yasuhiro TAKAGI, Hiroki HARA, Atsushi SHIMURA, Jiro YOSHINARI, Takashi KIKUKAWA, Tsuyoshi KOMAKI, Hideaki FUKUZAWA
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Patent number: 11958017Abstract: The present invention relates to a hollow-fiber membrane module including: a hollow-fiber membrane bundle including a plurality of hollow-fiber membranes bundled in a potting part; a housing enclosing the hollow-fiber membrane bundle; and a protective member contacting with an outer surface of the potting part and continuously covering the outer surface, in which the protective member has a notched part through which one end of the protective member communicates with another end in a longitudinal direction of the hollow-fiber membrane bundle.Type: GrantFiled: July 26, 2019Date of Patent: April 16, 2024Assignee: Toray Industries, Inc.Inventors: Masato Yanagibashi, Atsushi Kobayashi, Shun Shimura
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Patent number: 11953851Abstract: In an image heating device having a plurality of heating blocks which are controllable independently in a longitudinal direction of a heater, an increase of the size of the heater can be suppressed, and temperatures of a plurality of heating block can be detected. The heater has a first temperature sensor corresponding to a first heating block, a second temperature sensor corresponding to a second heating block, a first electric conductor electrically coupled to the first temperature sensor, a second electric conductor electrically coupled to the second temperature sensor, and a common electric conductor electrically coupled to the first and second temperature sensors.Type: GrantFiled: April 13, 2023Date of Patent: April 9, 2024Assignee: Canon Kabushiki KaishaInventors: Yasuhiro Shimura, Akira Kato, Atsushi Iwasaki
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Patent number: 11897262Abstract: A liquid ejecting apparatus includes a print head, in which the print head includes a substrate having first, second, third and fourth sides, a first surface, a second surface, a connector, a first integrated circuit, and a second integrated circuit, the connector includes a first end with a shortest distance to the third side and a second end with a shortest distance to the fourth side and is provided on the first surface so that a plurality of terminals are arranged along the first side, the first integrated circuit is provided on the second surface, a shortest distance between the first end and the first integrated circuit is shorter than a shortest distance between the second end and the first integrated circuit, and a shortest distance between the second end and the second integrated circuit is shorter than a shortest distance between the first end and the second integrated circuit.Type: GrantFiled: March 24, 2022Date of Patent: February 13, 2024Assignee: Seiko Epson CorporationInventor: Atsushi Shimura
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Publication number: 20230264469Abstract: A print head ejecting a liquid with respect to a medium and assembled to a liquid ejecting apparatus includes: an ejecting portion ejecting the liquid by receiving a drive signal; an electrically erasable non-volatile memory; and a wireless communication module, in which history information changing in accordance with an operation state of the print head is stored in the non-volatile memory, and the wireless communication module transmits the history information in accordance with a request from an outside.Type: ApplicationFiled: February 17, 2023Publication date: August 24, 2023Inventor: Atsushi SHIMURA
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Publication number: 20230228941Abstract: An optical circuit element capable of preventing stray light propagated through a part including a substrate of the optical circuit element from being emitted to the outside is provided. The optical circuit element has a substrate, an optical waveguide layer that is formed on one surface of the substrate, and a protective layer that is overlaid on the optical waveguide layer. The optical waveguide layer has an optical waveguide configured for light to be propagated therethrough. A groove portion, which reaches to a position deeper than the one surface from a surface of the protective layer toward the substrate, is formed. The optical circuit element further includes a light absorption layer that covers at least a bottom surface and a side surface of the groove portion.Type: ApplicationFiled: August 19, 2021Publication date: July 20, 2023Applicant: TDK CORPORATIONInventors: Hiroki HARA, Takashi KIKUKAWA, Atsushi SHIMURA
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Publication number: 20220326555Abstract: The optical device includes a substrate and an optical waveguide formed on the substrate, a protrusion portion is formed on the substrate adjacent to the optical waveguide.Type: ApplicationFiled: March 29, 2022Publication date: October 13, 2022Applicant: TDK CORPORATIONInventors: Hiroshi TAKE, Kenji NAGASE, Anthony Reymund Melad BINARAO, Cheng Bu HENG, Atsushi SHIMURA
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Publication number: 20220305783Abstract: A liquid ejecting apparatus includes a print head, in which the print head includes a substrate having first, second, third and fourth sides, a first surface, a second surface, a connector, a first integrated circuit, and a second integrated circuit, the connector includes a first end with a shortest distance to the third side and a second end with a shortest distance to the fourth side and is provided on the first surface so that a plurality of terminals are arranged along the first side, the first integrated circuit is provided on the second surface, a shortest distance between the first end and the first integrated circuit is shorter than a shortest distance between the second end and the first integrated circuit, and a shortest distance between the second end and the second integrated circuit is shorter than a shortest distance between the first end and the second integrated circuit.Type: ApplicationFiled: March 24, 2022Publication date: September 29, 2022Inventor: Atsushi SHIMURA
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Patent number: 10957962Abstract: A magnetoresistive effect device includes an input port, an input-side signal line, an MR unit including a magnetoresistive effect element and a magnetic-field generating signal line, and an output unit including a magnetoresistive effect element, an output-side signal line, and an output port. The magnetoresistive effect device further includes a DC application terminal. The magnetoresistive effect element is connected to the output port via the output-side signal line in the output unit. The input-side signal line is arranged so that a high frequency magnetic field generated from the input-side signal line is applied to the magnetoresistive effect element in the MR unit. In the MR unit, the magnetoresistive effect element is connected to the magnetic-field generating signal line. The magnetic-field generating signal line is arranged so that a high-frequency magnetic field generated from magnetic-field generating signal line is applied to the magnetoresistive effect element in the output unit.Type: GrantFiled: October 23, 2017Date of Patent: March 23, 2021Assignee: TDK CORPORATIONInventors: Takekazu Yamane, Tetsuya Shibata, Tsuyoshi Suzuki, Junichiro Urabe, Atsushi Shimura
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Patent number: 10629806Abstract: The magnetoresistance effect device includes first and second ports, a first circuit unit and a second circuit unit connected between the first port and the second port, a shared reference electric potential terminal or a first reference electric potential terminal and a second reference electric potential terminal, and a shared DC application terminal or a first DC application terminal and a second DC application terminal, the first circuit unit includes a first magnetoresistance effect element, the second circuit unit includes a second magnetoresistance effect element and a first conductor separated from the second magnetoresistance effect element with an insulating body therebetween and a first end portion of the first conductor is connected to an input side of high frequency current such that high frequency magnetic field generated by the high frequency current flowing through the first conductor is applied to the magnetization free layer of the second magnetoresistance effect element.Type: GrantFiled: January 30, 2019Date of Patent: April 21, 2020Assignee: TDK CORPORATIONInventors: Tsuyoshi Suzuki, Shinji Hara, Atsushi Shimura
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Patent number: 10608309Abstract: A magnetoresistance effect device includes a first port, a second port, a magnetoresistance effect element, a first signal line that is connected to the first port and applies a high-frequency magnetic field to the magnetoresistance effect element, a second signal line that connects the second port to the magnetoresistance effect element, and a direct current application terminal that is connected to a power source configured to apply a direct current or a direct voltage in a lamination direction of the magnetoresistance effect element. The first signal line includes a plurality of high-frequency magnetic field application areas capable of applying a high-frequency magnetic field to the magnetoresistance effect element, and the plurality of high-frequency magnetic field application areas in the first signal line are disposed at positions at which high-frequency magnetic fields generated in the high-frequency magnetic field application areas reinforce each other in the magnetoresistance effect element.Type: GrantFiled: April 25, 2018Date of Patent: March 31, 2020Assignee: TDK CORPORATIONInventors: Takekazu Yamane, Junichiro Urabe, Tsuyoshi Suzuki, Atsushi Shimura
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Patent number: 10483458Abstract: 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.Type: GrantFiled: June 2, 2016Date of Patent: November 19, 2019Assignee: TDK CORPORATIONInventors: Junichiro Urabe, Tetsuya Shibata, Atsushi Shimura, Takekazu Yamane, Tsuyoshi Suzuki
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Patent number: 10381997Abstract: A high-frequency filter includes at least one magnetoresistive effect element; a first port through which a high-frequency signal is input; a second port through which a high-frequency signal is output; and a signal line.Type: GrantFiled: January 12, 2018Date of Patent: August 13, 2019Assignee: TDK CORPORATIONInventors: Tetsuya Shibata, Junichiro Urabe, Atsushi Shimura, Takekazu Yamane
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Publication number: 20190245254Abstract: A magnetoresistive effect device includes an input port, an input-side signal line, an MR unit including a magnetoresistive effect element and a magnetic-field generating signal line, and an output unit including a magnetoresistive effect element, an output-side signal line, and an output port. The magnetoresistive effect device further includes a DC application terminal. The magnetoresistive effect element is connected to the output port via the output-side signal line in the output unit. The input-side signal line is arranged so that a high frequency magnetic field generated from the input-side signal line is applied to the magnetoresistive effect element in the MR unit. In the MR unit, the magnetoresistive effect element is connected to the magnetic-field generating signal line. The magnetic-field generating signal line is arranged so that a high-frequency magnetic field generated from magnetic-field generating signal line is applied to the magnetoresistive effect element in the output unit.Type: ApplicationFiled: October 23, 2017Publication date: August 8, 2019Applicant: TDK CORPORATIONInventors: Takekazu YAMANE, Tetsuya SHIBATA, Tsuyoshi SUZUKI, Junichiro URABE, Atsushi SHIMURA
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Publication number: 20190237663Abstract: The magnetoresistance effect device includes first and second ports, a first circuit unit and a second circuit unit connected between the first port and the second port, a shared reference electric potential terminal or a first reference electric potential terminal and a second reference electric potential terminal, and a shared DC application terminal or a first DC application terminal and a second DC application terminal, the first circuit unit includes a first magnetoresistance effect element, the second circuit unit includes a second magnetoresistance effect element and a first conductor separated from the second magnetoresistance effect element with an insulating body therebetween and a first end portion of the first conductor is connected to an input side of high frequency current such that high frequency magnetic field generated by the high frequency current flowing through the first conductor is applied to the magnetization free layer of the second magnetoresistance effect element.Type: ApplicationFiled: January 30, 2019Publication date: August 1, 2019Applicant: TDK CORPORATIONInventors: Tsuyoshi SUZUKI, Shinji HARA, Atsushi SHIMURA
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Patent number: 10332666Abstract: The magnetoresistance effect device includes: a first port; a second port; a magnetoresistance effect element; a first signal line that is connected to the first port and applies a high frequency magnetic field to the magnetoresistance effect element; a second signal line that connects the second port and the magnetoresistance effect element to each other; and a direct current application terminal capable of being connected to a power supply that applies a direct current or a direct current voltage. The first signal line includes a magnetic field generator, which extends in a first direction, at a position in the lamination direction of the magnetoresistance effect element or an in-plane direction that is orthogonal to the lamination direction, and the magnetic field generator and the magnetoresistance effect element include an overlapping portion as viewed from the lamination direction in which the magnetic field generator is disposed, or the in-plane direction.Type: GrantFiled: April 25, 2018Date of Patent: June 25, 2019Assignee: TDK CORPORATIONInventors: Takekazu Yamane, Junichiro Urabe, Tsuyoshi Suzuki, Atsushi Shimura
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Publication number: 20180316077Abstract: A magnetoresistance effect device includes a first port, a second port, a magnetoresistance effect element, a first signal line that is connected to the first port and applies a high-frequency magnetic field to the magnetoresistance effect element, a second signal line that connects the second port to the magnetoresistance effect element, and a direct current application terminal that is connected to a power source configured to apply a direct current or a direct voltage in a lamination direction of the magnetoresistance effect element. The first signal line includes a plurality of high-frequency magnetic field application areas capable of applying a high-frequency magnetic field to the magnetoresistance effect element, and the plurality of high-frequency magnetic field application areas in the first signal line are disposed at positions at which high-frequency magnetic fields generated in the high-frequency magnetic field application areas reinforce each other in the magnetoresistance effect element.Type: ApplicationFiled: April 25, 2018Publication date: November 1, 2018Applicant: TDK CORPORATIONInventors: Takekazu YAMANE, Junichiro URABE, Tsuyoshi SUZUKI, Atsushi SHIMURA
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Publication number: 20180315535Abstract: The magnetoresistance effect device includes: a first port; a second port; a magnetoresistance effect element; a first signal line that is connected to the first port and applies a high frequency magnetic field to the magnetoresistance effect element; a second signal line that connects the second port and the magnetoresistance effect element to each other; and a direct current application terminal capable of being connected to a power supply that applies a direct current or a direct current voltage. The first signal line includes a magnetic field generator, which extends in a first direction, at a position in the lamination direction of the magnetoresistance effect element or an in-plane direction that is orthogonal to the lamination direction, and the magnetic field generator and the magnetoresistance effect element include an overlapping portion as viewed from the lamination direction in which the magnetic field generator is disposed, or the in-plane direction.Type: ApplicationFiled: April 25, 2018Publication date: November 1, 2018Applicant: TDK CORPORATIONInventors: Takekazu YAMANE, Junichiro URABE, Tsuyoshi SUZUKI, Atsushi SHIMURA
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Publication number: 20180309046Abstract: Magnetoresistive effect device including magnetoresistive effect element which high-frequency filter can be realized is provided. Magnetoresistive effect device includes: at least one magnetoresistive effect element including magnetization fixed, spacer, and magnetization free layer wherein magnetization direction is changeable; first and second ports; 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. Closed circuit including magnetoresistive effect element, signal line, ground, and direct-current input terminal is to be formed. Magnetoresistive effect element is arranged wherein direct current input from direct-current input terminal flows through magnetoresistive effect element in direction from magnetization fixed layer to magnetization free layer.Type: ApplicationFiled: June 2, 2016Publication date: October 25, 2018Applicant: TDK CORPORATIONInventors: Junichiro URABE, Tetsuya SHIBATA, Atsushi SHIMURA, Takekazu YAMANE, Tsuyoshi SUZUKI
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Publication number: 20180277749Abstract: 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.Type: ApplicationFiled: June 2, 2016Publication date: September 27, 2018Applicant: TDK CORPORATIONInventors: Junichiro URABE, Tetsuya SHIBATA, Atsushi SHIMURA, Takekazu YAMANE, Tsuyoshi SUZUKI