Patents by Inventor Kouhei Takahashi
Kouhei Takahashi 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: 11320313Abstract: An infrared sensor comprises a base substrate including a recess, a bolometer infrared ray receiver, and a Peltier device. The bolometer infrared ray receiver comprises a resistance variable layer, a bolometer first beam, and a bolometer second beam. The Peltier device comprises a Peltier first beam formed of a p-type semiconductor material and a Peltier second beam formed of an n-type semiconductor material. The Peltier device is in contact with a back surface of the bolometer infrared ray receiver. One end of each of the bolometer first beam, the bolometer second beam, the Peltier first beam, and the Peltier second beam is connected to the base substrate. The bolometer infrared ray receiver and the Peltier device are suspended above the base substrate. Each of the bolometer first beam, the bolometer second beam, the Peltier first beam, and the Peltier second beam has a phononic crystal structure including a plurality of through holes arranged regularly.Type: GrantFiled: February 20, 2020Date of Patent: May 3, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTDInventors: Takashi Kawasaki, Kouhei Takahashi, Naoki Tambo, Yasuyuki Naito
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Publication number: 20210364458Abstract: A gas sensor includes a substrate, a support layer, a base layer, a heater layer disposed on or above the base layer, a gas sensing layer that is disposed on or above one of the heater layer and the base layer and that has a gas concentration dependent electrical impedance, and a detection electrode that is electrically connected to the gas sensing layer and that detects the impedance of the gas sensing layer. The substrate has a cavity and an opening formed by the cavity. The support layer is disposed on the substrate so as to cover at least an entire periphery of the opening. The base layer is supported by the support layer above the cavity so as to be separated from the substrate. A portion of the support layer in contact with the cavity has a first phononic crystal structure structured by a plurality of regularly arranged through-holes.Type: ApplicationFiled: August 6, 2021Publication date: November 25, 2021Inventors: KUNIHIKO NAKAMURA, MASAKI FUJIKANE, KOUHEI TAKAHASHI, NAOKI TAMBO, YASUYUKI NAITO
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Publication number: 20210313919Abstract: A motor including: a stator including plural windings that form coils and are connected together at a neutral point; a switching circuit that generates a rotating magnetic field around the stator by switching of a power supply to the plurality of windings; a rotor that rotates in response to the rotating magnetic field generated around the stator; a resistor for current detection that detects a current in the switching circuit and that is disposed between the switching circuit and a grounding point; and a filter element that reduces a fluctuation in potential at the neutral point, the filter element being disposed between the neutral point and the resistor for current detection and being grounded at the grounding point via the resistor for current detection.Type: ApplicationFiled: July 22, 2019Publication date: October 7, 2021Applicant: DENSO CORPORATIONInventors: Kouhei TAKAHASHI, Yoshinobu NAGAO
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Publication number: 20210313504Abstract: The present disclosure provides a novel multilayer body. The multilayer body of the present disclosure includes a first phononic crystal layer and a second phononic crystal layer disposed on or above the first phononic crystal layer. The first phononic crystal layer has a first phononic crystal structure including a plurality of regularly arranged first through holes. The second phononic crystal layer has a second phononic crystal structure including a plurality of regularly arranged second through holes. The through direction of the plurality of first through holes in the first phononic crystal layer is substantially parallel to the through direction of the plurality of second through holes in the second phononic crystal layer.Type: ApplicationFiled: June 16, 2021Publication date: October 7, 2021Inventors: MASAKI FUJIKANE, NAOKI TAMBO, KUNIHIKO NAKAMURA, KOUHEI TAKAHASHI, YASUYUKI NAITO
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Publication number: 20210313505Abstract: A thermoelectric conversion element includes a p-type thermoelectric converter, an n-type thermoelectric converter, a first electrode, a second electrode, and a third electrode. One end of the p-type converter is electrically connected to one end of the n-type converter. The other end of the p-type converter is electrically connected to the second electrode, and the other end of the n-type converter is electrically connected to the third electrode. The p-type converter includes a first phononic crystal layer having a first phononic crystal structure including regularly arranged first through holes. The n-type converter includes a second phononic crystal layer having a second phononic crystal structure including regularly arranged second through holes. The through direction of the first through holes is a direction extending between the ends of the p-type converter. The through direction of the second through holes is a direction extending between the ends of the n-type converter.Type: ApplicationFiled: June 16, 2021Publication date: October 7, 2021Inventors: MASAKI FUJIKANE, NAOKI TAMBO, KUNIHIKO NAKAMURA, KOUHEI TAKAHASHI, YASUYUKI NAITO
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Publication number: 20210302237Abstract: An infrared sensor includes: a base substrate; a bolometer infrared receiver; a first beam; and a second beam. Each of the first and second beams has a connection portion connected to the base substrate and/or a member on the base substrate and a separated portion away from the base substrate, and is physically joined to the infrared receiver at the separated portion. The infrared receiver is supported by the first and second beams to be away from the base substrate. The infrared receiver includes a resistance change portion including a resistance change material the electrical resistance of which changes with temperature. The resistance change portion includes an amorphous semiconductor, and the first and second beams include a crystalline semiconductor made of the same base material as the resistance change material, and is electrically connected to the resistance change portion at the separated portion.Type: ApplicationFiled: June 14, 2021Publication date: September 30, 2021Inventors: KOUHEI TAKAHASHI, NAOKI TAMBO, KUNIHIKO NAKAMURA, MASAKI FUJIKANE, YASUYUKI NAITO
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Publication number: 20210302236Abstract: Each of first and second beams has a connection portion connected to a base substrate and a separated portion away from the base substrate, and is physically joined to an infrared receiver at the separated portion. The infrared receiver is supported by the first and second beams, and includes lower electrode, upper electrode, and a resistance change film. The resistance change film is sandwiched by the lower electrode and upper electrode in a thickness direction, each of the lower and upper electrodes is electrically connected to the resistance change film, the lower and upper electrodes are electrically connected to first wiring and second wiring, respectively, at least one electrode selected from the lower electrode and the upper electrode has a line-and-space structure, and an infrared reflection film is provided at a position on a surface of the base substrate facing the infrared receiver.Type: ApplicationFiled: June 14, 2021Publication date: September 30, 2021Inventors: KOUHEI TAKAHASHI, NAOKI TAMBO, KUNIHIKO NAKAMURA, MASAKI FUJIKANE, YASUYUKI NAITO
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Patent number: 10890489Abstract: An infrared sensor according to the present disclosure includes base substrate, infrared receiver, and beam. The beam includes connective portion connecting with the base substrate and/or a member on the base substrate, and separated portion separated from the base substrate. The infrared receiver and the beam are joined with each other at the separated portion. The infrared receiver is supported by the beam in a state where the infrared receiver is separated from the base substrate. The beam includes junction part joined to the infrared receiver, and section positioned between junction part and the connective portion, and section includes a phononic crystal structure defined by a plurality of through holes orderly arranged. The crystal structure includes a first domain and a second domain that are phononic crystal domains.Type: GrantFiled: September 10, 2019Date of Patent: January 12, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Naoki Tambo, Kouhei Takahashi, Takashi Kawasaki, Kunihiko Nakamura, Masaki Fujikane, Yasuyuki Naito
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Publication number: 20200295118Abstract: An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible pr me substrate 15 is provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a 3a.Type: ApplicationFiled: June 2, 2020Publication date: September 17, 2020Inventors: Kouhei TAKAHASHI, Hirotsugu SAKAMOTO, Takeshi OOKAWARA, Toshihiro SATO
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Patent number: 10707294Abstract: An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible printed substrate 15 is provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a contact 3a.Type: GrantFiled: May 30, 2019Date of Patent: July 7, 2020Assignee: Japan Display Inc.Inventors: Kouhei Takahashi, Hirotsugu Sakamoto, Takeshi Ookawara, Toshihiro Sato
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Publication number: 20200191658Abstract: An infrared sensor comprises a base substrate including a recess, a bolometer infrared ray receiver, and a Peltier device. The bolometer infrared ray receiver comprises a resistance variable layer, a bolometer first beam, and a bolometer second beam. The Peltier device comprises a Peltier first beam formed of a p-type semiconductor material and a Peltier second beam formed of an n-type semiconductor material. The Peltier device is in contact with a back surface of the bolometer infrared ray receiver. One end of each of the bolometer first beam, the bolometer second beam, the Peltier first beam, and the Peltier second beam is connected to the base substrate. The bolometer infrared ray receiver and the Peltier device are suspended above the base substrate. Each of the bolometer first beam, the bolometer second beam, the Peltier first beam, and the Peltier second beam has a phononic crystal structure including a plurality of through holes arranged regularly.Type: ApplicationFiled: February 20, 2020Publication date: June 18, 2020Inventors: Takashi KAWASAKI, Kouhei TAKAHASHI, Naoki TAMBO, Yasuyuki NAITO
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Patent number: 10634561Abstract: An infrared sensor is formed in such a manner that an infrared receiver and a base substrate are spaced with a beam made of a thin-film phononic crystal in which through holes are arranged periodically. The beam made of a phononic crystal is formed in such a manner that a period P of through holes increases at arbitrary intervals in a direction from the infrared receiver toward the base substrate.Type: GrantFiled: June 13, 2019Date of Patent: April 28, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Kouhei Takahashi, Takashi Kawasaki, Yasuyuki Naito, Morio Tomiyama
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Patent number: 10605667Abstract: An infrared sensor comprises a base substrate including a recess, a bolometer infrared ray receiver, and a Peltier device. The bolometer infrared ray receiver comprises a resistance variable layer, a bolometer first beam, and a bolometer second beam. The Peltier device comprises a Peltier first beam formed of a p-type semiconductor material and a Peltier second beam formed of an n-type semiconductor material. The Peltier device is in contact with a back surface of the bolometer infrared ray receiver. One end of each of the bolometer first beam, the bolometer second beam, the Peltier first beam, and the Peltier second beam is connected to the base substrate. The bolometer infrared ray receiver and the Peltier device are suspended above the base substrate. Each of the bolometer first beam, the bolometer second beam, the Peltier first beam, and the Peltier second beam has a phononic crystal structure including a plurality of through holes arranged regularly.Type: GrantFiled: November 16, 2018Date of Patent: March 31, 2020Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Takashi Kawasaki, Kouhei Takahashi, Naoki Tambo, Yasuyuki Naito
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Publication number: 20200003625Abstract: An infrared sensor according to the present disclosure includes base substrate, infrared receiver, and beam. The beam includes connective portion connecting with the base substrate and/or a member on the base substrate, and separated portion separated from the base substrate. The infrared receiver and the beam are joined with each other at the separated portion. The infrared receiver is supported by the beam in a state where the infrared receiver is separated from the base substrate. The beam includes junction part joined to the infrared receiver, and section positioned between junction part and the connective portion, and section includes a phononic crystal structure defined by a plurality of through holes orderly arranged. The crystal structure includes a first domain and a second domain that are phononic crystal domains.Type: ApplicationFiled: September 10, 2019Publication date: January 2, 2020Inventors: NAOKI TAMBO, KOUHEI TAKAHASHI, TAKASHI KAWASAKI, KUNIHIKO NAKAMURA, MASAKI FUJIKANE, YASUYUKI NAITO
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Publication number: 20190293490Abstract: An infrared sensor is formed in such a manner that an infrared receiver and a base substrate are spaced with a beam made of a thin-film phononic crystal in which through holes are arranged periodically. The beam made of a phononic crystal is formed in such a manner that a period P of through holes increases at arbitrary intervals in a direction from the infrared receiver toward the base substrate.Type: ApplicationFiled: June 13, 2019Publication date: September 26, 2019Inventors: Kouhei TAKAHASHI, Takashi KAWASAKI, Yasuyuki NAITO, Morio TOMIYAMA
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Publication number: 20190280078Abstract: An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible printed substrate 15 is provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a contact 3a.Type: ApplicationFiled: May 30, 2019Publication date: September 12, 2019Inventors: Kouhei TAKAHASHI, Hirotsugu SAKAMOTO, Takeshi OOKAWARA, Toshihiro SATO
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Patent number: 10367433Abstract: A power generating apparatus includes a power generating element, a lever mechanism including a force point, a support point, and an action point, a first magnetic body disposed on the lever mechanism, and a second magnetic body having magnetic characteristics of being attracted to the first magnetic body. Upon the lever mechanism being pressed, the action point applies a load to the power generating portion and the first magnetic body approaches the second magnetic body while being attracted to the second magnetic body.Type: GrantFiled: April 18, 2016Date of Patent: July 30, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Kouhei Takahashi, Chikahiro Horiguchi
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Publication number: 20190219448Abstract: An infrared sensor is formed in such a manner that an infrared receiver and a base substrate are spaced with a beam made of a thin-film phononic crystal in which through holes are arranged periodically. The beam made of a phononic crystal is formed in such a manner that a period P of through holes increases at arbitrary intervals in a direction from the infrared receiver toward the base substrate.Type: ApplicationFiled: March 20, 2019Publication date: July 18, 2019Inventors: Kouhei TAKAHASHI, Takashi KAWASAKI, Yasuyuki NAITO, Morio TOMIYAMA
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Patent number: 10347708Abstract: An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible printed substrate 15 is provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a contact 3a.Type: GrantFiled: October 31, 2017Date of Patent: July 9, 2019Assignee: Japan Display Inc.Inventors: Kouhei Takahashi, Hirotsugu Sakamoto, Takeshi Ookawara, Toshihiro Sato
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Publication number: 20190178718Abstract: An infrared sensor comprises a base substrate including a recess, a bolometer infrared ray receiver, and a Peltier device. The bolometer infrared ray receiver comprises a resistance variable layer, a bolometer first beam, and a bolometer second beam. The Peltier device comprises a Peltier first beam formed of a p-type semiconductor material and a Peltier second beam formed of an n-type semiconductor material. The Peltier device is in contact with a back surface of the bolometer infrared ray receiver. One end of each of the bolometer first beam, the bolometer second beam, the Peltier first beam, and the Peltier second beam is connected to the base substrate. The bolometer infrared ray receiver and the Peltier device are suspended above the base substrate. Each of the bolometer first beam, the bolometer second beam, the Peltier first beam, and the Peltier second beam has a phononic crystal structure including a plurality of through holes arranged regularly.Type: ApplicationFiled: November 16, 2018Publication date: June 13, 2019Inventors: TAKASHI KAWASAKI, KOUHEI TAKAHASHI, NAOKI TAMBO, YASUYUKI NAITO