Patents by Inventor Takeshi Oshima

Takeshi Oshima 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: 11069949
    Abstract: A hollow-waveguide-to-planar-waveguide transition circuit includes: strip conductors formed on a first main surface of a dielectric substrate; a ground conductor formed on the back side, facing the strip conductors; a slot formed in the ground conductor; and a coupling conductor formed at a position to be electrically coupled with the strip conductors. The coupling conductor has: a main body portion electrically coupled with the strip conductors; and protruding portions protruding from the main body portion. The protruding portions are formed so as to face an end portion of the slot.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: July 20, 2021
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hiromasa Nakajima, Akimichi Hirota, Naofumi Yoneda, Takeshi Oshima
  • Patent number: 10992018
    Abstract: A coaxial-waveguide-to-hollow-waveguide transition circuit (1) includes a hollow waveguide (10), a coaxial waveguide (20) having an end coupled to a wide wall (16) of the hollow waveguide (10), and a strip conductor (30) located inside the internal path (10h) of the hollow waveguide (10). The coaxial waveguide (20) includes a conducting core wire (22) extending into the internal path (10h) of the hollow waveguide (10). The strip conductor (30) is located so as to make a short-circuit connection between the conducting core wire (22) of the coaxial waveguide (20) and a termination surface (12) of the hollow waveguide (10).
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: April 27, 2021
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Akimichi Hirota, Takeshi Oshima, Naofumi Yoneda, Jun Nishihara, Hiroyuki Nonomura
  • Patent number: 10811753
    Abstract: A hollow-waveguide-to-planar-waveguide transition circuit includes: a dielectric substrate; strip conductors formed on a first main surface of the dielectric substrate; a ground conductor formed on a second main surface of the dielectric substrate, facing the strip conductors in the thickness direction; a slot formed in the ground conductor; a coupling conductor formed at a position to be electrically coupled with the strip conductors on the first main surface; and branch conductor lines formed on the first main surface. Each of the branch conductor lines includes a base portion branching from the coupling conductor and a tip portion that is electrically open.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: October 20, 2020
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hiromasa Nakajima, Akimichi Hirota, Naofumi Yoneda, Takeshi Oshima
  • Patent number: 10813212
    Abstract: The multiband filter includes a printed circuit board, a first filter, a second filter having an outer dimension different from that of the first filter and passband frequencies higher than those of the first filter, an input terminal, an output terminal, a first inductor, a first capacitor, which are connected except the first capacitor by signal line conductor patterns to form a first transmission line, which connect the second filter, the input terminal, the output terminal, and the first capacitor to form a second transmission line, a part thereof in the first transmission line being arranged in an area on the printed circuit board, formed by the difference between the outer dimensions of the first and the second filters, to achieve desirable passbands and enough attenuation in a suppression band outside the passbands.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: October 20, 2020
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Takeshi Yuasa, Takeshi Oshima, Hiroyuki Aoyama
  • Publication number: 20200328491
    Abstract: A coaxial-waveguide-to-hollow-waveguide transition circuit (1) includes a hollow waveguide (10), a coaxial waveguide (20) having an end coupled to a wide wall (16) of the hollow waveguide (10), and a strip conductor (30) located inside the internal path (10h) of the hollow waveguide (10). The coaxial waveguide (20) includes a conducting core wire (22) extending into the internal path (10h) of the hollow waveguide (10). The strip conductor (30) is located so as to make a short-circuit connection between the conducting core wire (22) of the coaxial waveguide (20) and a termination surface (12) of the hollow waveguide (10).
    Type: Application
    Filed: July 22, 2016
    Publication date: October 15, 2020
    Applicant: Mitsubishi Electric Corporation
    Inventors: Akimichi HIROTA, Takeshi OSHIMA, Naofumi YONEDA, Jun NISHIHARA, Hiroyuki NONOMURA
  • Publication number: 20200274218
    Abstract: A waveguide unit (2) is closed at one end thereof by a short circuit plane (2a) provided with through holes (3-1 to 3-6). Radio wave absorbers (4-1 to 4-6) absorb a frequency signal being a non-reflective target in the state of being inserted through the through holes (3-1 to 3-6) toward the inside of the waveguide unit (2) and contacting inner surfaces (3?-1 to 3?-6) of the through holes (3-1 to 3-6).
    Type: Application
    Filed: May 22, 2017
    Publication date: August 27, 2020
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yu USHIJIMA, Hidenori YUKAWA, Takeshi OSHIMA, Motomi WATANABE, Naofumi YONEDA
  • Publication number: 20200235454
    Abstract: A hollow-waveguide-to-planar-waveguide transition circuit includes: strip conductors formed on a first main surface of a dielectric substrate; a ground conductor formed on the back side, facing the strip conductors; a slot formed in the ground conductor; and a coupling conductor formed at a position to be electrically coupled with the strip conductors. The coupling conductor has: a main body portion electrically coupled with the strip conductors; and protruding portions protruding from the main body portion. The protruding portions are formed so as to face an end portion of the slot.
    Type: Application
    Filed: July 5, 2016
    Publication date: July 23, 2020
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hiromasa NAKAJIMA, Akimichi HIROTA, Naofumi YONEDA, Takeshi OSHIMA
  • Patent number: 10680307
    Abstract: A substrate is used as one tube wall of a hollow waveguide, the substrate including a strip line wired in an inner layer, a first ground surface formed on a front surface, and a second ground surface formed on a part of a back surface. As a result of such a configuration, a waveguide strip line transducer having the same dimension as the external dimension of the hollow waveguide can be obtained.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: June 9, 2020
    Assignee: Mitsubishi Electric Coporation
    Inventors: Motomi Watanabe, Shinji Arai, Tomohiro Takahashi, Takeshi Oshima, Takeshi Yuasa, Takuma Nishimura, Hidenori Yukawa
  • Patent number: 10673117
    Abstract: A waveguide circuit (1) includes a first waveguide tube (10), a second waveguide tube (20), and a third waveguide tube (30). The first waveguide tube (10), the second waveguide tube (20), and the third waveguide tube (30) have cross-sectional shapes to allow propagation of TE modes. The tube axis of the second waveguide tube (20) is parallel to the tube axis of the first waveguide tube (10). One of the narrow sidewalls of the second waveguide tube (20) faces a narrow sidewall (10s) of the first waveguide tube (10). The third waveguide tube (30) includes a coupler that connects a hollow guide of the third waveguide tube (30) to a hollow guide of the first waveguide tube (10) and a hollow guide of the second waveguide tube (20).
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: June 2, 2020
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Akimichi Hirota, Takeshi Oshima, Naofumi Yoneda, Jun Nishihara, Hiroyuki Nonomura
  • Publication number: 20200101828
    Abstract: A glass run includes a glass run body having an approximately U-shaped cross section including a vehicle exterior-side side wall, a vehicle interior-side side wall, and a bottom wall, a vehicle exterior-side seal lip and a vehicle interior-side seal lip respectively extended from leading ends of the vehicle exterior-side side wall and the vehicle interior-side side wall toward an inner side of the glass run body, and a vehicle exterior-side molding lip and a vehicle interior-side molding lip respectively extended toward an outer side of the glass run body. A decorative sheet is applied to a vehicle exterior-side surface of the vehicle exterior-side molding lip. At least the portion where the decorative sheet is applied of the vehicle exterior-side molding lip is formed with a hard part using a hard material that is harder than a soft material.
    Type: Application
    Filed: August 6, 2019
    Publication date: April 2, 2020
    Inventor: Takeshi OSHIMA
  • Patent number: 10600531
    Abstract: A highly bendable insulated electric wire including: a conducting wire formed by stranding a plurality of metal strands; and an insulator covering the conducting wire, in which a twist pitch ratio of the conducting wire (a twist pitch/an outer diameter of the conducting wire) is 10.8 or less, the insulator is made of a resin composition containing a vinyl chloride resin and having an elongation rate of 130% or higher at ?40° C., and an adhesion strength between the conducting wire and the insulator is 20 N or less.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: March 24, 2020
    Assignee: YAZAKI CORPORATION
    Inventor: Takeshi Oshima
  • Patent number: 10588215
    Abstract: Disclosed is an inter-board connection structure including a signal line conductor (22) provided in an outer layer of a printed circuit board (100), a signal line conductor (24) extending in a direction from the signal line conductor (22) to a signal pad (21), and forming a capacitive component between itself and a signal pad (21), and a signal line conductor (23) branching and extending from a connecting portion between the signal line conductor (22) and the signal line conductor (24), and electrically connected to the signal pad (21).
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: March 10, 2020
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Takeshi Yuasa, Takeshi Oshima
  • Publication number: 20200022249
    Abstract: Disclosed is an inter-board connection structure including a signal line conductor (22) provided in an outer layer of a printed circuit board (100), a signal line conductor (24) extending in a direction from the signal line conductor (22) to a signal pad (21), and forming a capacitive component between itself and a signal pad (21), and a signal line conductor (23) branching and extending from a connecting portion between the signal line conductor (22) and the signal line conductor (24), and electrically connected to the signal pad (21).
    Type: Application
    Filed: April 7, 2017
    Publication date: January 16, 2020
    Applicant: Mitsubishi Electric Corporation
    Inventors: Takeshi YUASA, Takeshi OSHIMA
  • Publication number: 20190357348
    Abstract: The multiband filter includes a printed circuit board, a first filter, a second filter having an outer dimension different from that of the first filter and passband frequencies higher than those of the first filter, an input terminal, an output terminal, a first inductor, a first capacitor, which are connected except the first capacitor by signal line conductor patterns to form a first transmission line, which connect the second filter, the input terminal, the output terminal, and the first capacitor to form a second transmission line, a part thereof in the first transmission line being arranged in an area on the printed circuit board, formed by the difference between the outer dimensions of the first and the second filters, to achieve desirable passbands and enough attenuation in a suppression band outside the passbands.
    Type: Application
    Filed: November 8, 2016
    Publication date: November 21, 2019
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Takeshi YUASA, Takeshi OSHIMA, Hiroyuki AOYAMA
  • Patent number: 10340056
    Abstract: A flat cable includes at least one cable portion and at least one rib portion. The at least one cable portion has a plurality of conductor wires arranged in parallel at predetermined intervals on a plane, and a coating portion that collectively covers the plurality of conductor wires arranged in parallel. The coating portion is made of an insulating resin. The at least one rib portion is provided in parallel with the cable portion on the plane. bus bar is to be fixed to the at least one rib portion and the at least one rib portion is made of only the same resin as the coating portion. A body including the at least one cable portion and the at least one rib portion is substantially bilaterally symmetrical in a cross-sectional structure of the body.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: July 2, 2019
    Assignee: YAZAKI CORPORATION
    Inventor: Takeshi Oshima
  • Publication number: 20190157735
    Abstract: A substrate is used as one tube wall of a hollow waveguide, the substrate including a strip line wired in an inner layer, a first ground surface formed on a front surface, and a second ground surface formed on a part of a back surface. As a result of such a configuration, a waveguide strip line transducer having the same dimension as the external dimension of the hollow waveguide can be obtained.
    Type: Application
    Filed: June 5, 2017
    Publication date: May 23, 2019
    Applicant: Mitsubishi Electric Corporation
    Inventors: Motomi WATANABE, Shinji ARAI, Tomohiro TAKAHASHI, Takeshi OSHIMA, Takeshi YUASA, Takuma NISHIMURA, Hidenori YUKAWA
  • Publication number: 20190157649
    Abstract: A bus bar module includes a flat cable having a cable part and an insulator resin part and a bus bar crimped and fixed to the insulator resin part. The cable part includes a plurality of conductor wires arranged in parallel at predetermined intervals on a plane and a covering part integrally covering the plurality of conductor wires with an insulating resin. The insulator resin part is disposed in parallel to the cable part on the plane and made of a same resin as the insulating resin of the covering part.
    Type: Application
    Filed: November 15, 2018
    Publication date: May 23, 2019
    Applicant: Yazaki Corporation
    Inventor: Takeshi Oshima
  • Publication number: 20190148808
    Abstract: A hollow-waveguide-to-planar-waveguide transition circuit includes: a dielectric substrate; strip conductors formed on a first main surface of the dielectric substrate; a ground conductor formed on a second main surface of the dielectric substrate, facing the strip conductors in the thickness direction; a slot formed in the ground conductor; a coupling conductor formed at a position to be electrically coupled with the strip conductors on the first main surface; and branch conductor lines formed on the first main surface. Each of the branch conductor lines includes a base portion branching from the coupling conductor and a tip portion that is electrically open.
    Type: Application
    Filed: July 5, 2016
    Publication date: May 16, 2019
    Applicant: Mitsubishi Electric Corporation
    Inventors: Hiromasa NAKAJIMA, Akimichi HIROTA, Naofumi YONEDA, Takeshi OSHIMA
  • Patent number: 10242766
    Abstract: A highly bendable insulated electric wire includes a conductor part that has a plurality of non-compressed strands made of a copper alloy, each of the non-compressed strands having a cross-sectional area of 0.13 sq. mm, and a covering part that is provided on the conductor part, wherein the conductor part has an elongation of 7% or more and a tensile strength of 500 MPa or more, and the covering part is made of 100 degree Celsius heat-resistant polyvinyl chloride and has an elongation of 100% or more at a temperature of ?40 degree Celsius.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: March 26, 2019
    Assignee: YAZAKI CORPORATION
    Inventors: Takeshi Oshima, Yuki Tosaya
  • Publication number: 20190088387
    Abstract: A flat cable includes at least one cable portion and at least one rib portion. The at least one cable portion has a plurality of conductor wires arranged in parallel at predetermined intervals on a plane, and a coating portion that collectively covers the plurality of conductor wires arranged in parallel. The coating portion is made of an insulating resin. The at least one rib portion is provided in parallel with the cable portion on the plane. bus bar is to be fixed to the at least one rib portion and the at least one rib portion is made of only the same resin as the coating portion. A body including the at least one cable portion and the at least one rib portion is substantially bilaterally symmetrical in a cross-sectional structure of the body.
    Type: Application
    Filed: August 1, 2018
    Publication date: March 21, 2019
    Applicant: Yazaki Corporation
    Inventor: Takeshi OSHIMA