Patents by Inventor Naofumi Yoneda

Naofumi Yoneda 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).

  • Publication number: 20200028228
    Abstract: Provided is a structure configured to electrically connect multi-layer dielectric waveguides, each including a dielectric waveguide formed of conductor patterns and vias in a laminating direction of the multi-layer dielectric substrate, in which the vias for forming part of a waveguide wall of each of the dielectric waveguides are arranged in a staggered pattern in the multi-layer dielectric substrate side having choke structures formed so as to electrically connect the waveguides to each other.
    Type: Application
    Filed: April 12, 2017
    Publication date: January 23, 2020
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hideharu YOSHIOKA, Yasuo MORIMOTO, Naofumi YONEDA, Akimichi HIROTA, Tomokazu HAMADA, Tsuyoshi HATATE
  • Patent number: 10511102
    Abstract: A feeder circuit includes: a first line 103 having first and second ends; a second line 104 having first and second ends; a third line 105 having first and second ends; a first combiner 101 configured to combine signals output from the second ends of the first and second lines 103 and 104; a first coupling portion 115 configured to electrically couple portions of the first and third lines to each other; and a second coupling portion 116 configured to electrically couple portions of the second and third lines to each other in a manner that allows a signal reaching the first combiner from the first end of the third line through the first coupling portion and a signal reaching the first combiner from the first end of the third line through the second coupling portion, to be cancelled out.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: December 17, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventors: Akimichi Hirota, Naofumi Yoneda, Shigeo Udagawa, Mitsuru Kirita
  • Patent number: 10502902
    Abstract: An optical communication connector, an optical communication cable, and an electronic device that have excellent maintenance properties and can prevent parallel light (collimated light) from being directly emitted to the outside of an optical connector during non-optical coupling. There is provided an optical communication connector device that includes a collimating lens configured to collimate light from an optical transmission path; a refracting section arranged on a leading end side with respect to the collimating lens, and configured to refract and eject light from the optical transmission path ejected from the collimating lens; and a scattering section configured to scatter at least a part of the light ejected from the refracting section.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: December 10, 2019
    Assignee: SONY CORPORATION
    Inventors: Kazuaki Toba, Masanari Yamamoto, Ryohei Takahashi, Satoshi Muto, Tatsushi Nashida, Shinpei Hirano, Naofumi Yoneda
  • Patent number: 10438862
    Abstract: A recess in a metal housing accommodating a high frequency package includes a first space and a second space and has a winners podium shape in cross-sectional view. A thermally conductive material is sandwiched between the metal housing having heat dissipating fins and the high frequency package.
    Type: Grant
    Filed: December 24, 2015
    Date of Patent: October 8, 2019
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yasuo Morimoto, Hideharu Yoshioka, Akimichi Hirota, Naofumi Yoneda, Takuma Ishibashi
  • Publication number: 20190306969
    Abstract: Lossy members, which are disposed to overlap with a part of branch conductors in a signal conductor, respectively, and cause a loss of the power of signals flowing in the branch conductors, and via holes connecting each of the output terminals of the signal conductor and the ground conductor are included. The branch conductor includes a delay circuit having an electrical length of 90 degrees.
    Type: Application
    Filed: December 26, 2016
    Publication date: October 3, 2019
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hidenori ISHIBASHI, Yukinobu TARUI, Yuko ONODERA, Hiroyuki AOYAMA, Naofumi YONEDA
  • Patent number: 10317631
    Abstract: [Object] To have excellent maintenance properties and restrain parallel light (collimated light) from being directly emitted to the outside of an optical connector during non-optical coupling. [Solution] An optical communication connector according to the present disclosure includes: a collimating lens configured to collimate light from an optical transmission path; and a diffusion section arranged on a leading end side with respect to the collimating lens, and configured to diffuse the light from the optical transmission path output from the collimating lens. According to this configuration, in the optical communication in which insertion and removal are frequently performed, it is possible to achieve their safety during non-fitting at the same time while having an advantage because of a collimating signal since light from an optical transmission path is diffused.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: June 11, 2019
    Assignee: SONY CORPORATION
    Inventors: Kazuaki Toba, Masanari Yamamoto, Satoshi Muto, Takeo Arai, Tatsushi Nashida, Shinpei Hirano, Naofumi Yoneda
  • 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
  • Publication number: 20190123414
    Abstract: An input waveguide (6) having one end connected between an L-shaped waveguide (1a) and an L-shaped waveguide (1f) and another end connected to the PORT (1); an output waveguide (7) having one end connected between the L-shaped waveguide (1a) and a flat waveguide (1b) and another end connected to the PORT (2); an output waveguide (8) having one end connected between the flat waveguide (1b) and an L-shaped waveguide (1c) and another end connected to the PORT (3); an output waveguide (9) having one end connected between the L-shaped waveguide (1c) and an L-shaped waveguide (1d) and another end connected to the PORT (4); and a plurality of branching waveguides (10) each having one end connected to the output waveguide (7) and another end connected to the output waveguide (8) are provided.
    Type: Application
    Filed: May 24, 2016
    Publication date: April 25, 2019
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yu USHIJIMA, Hidenori YUKAWA, Motomi WATANABE, Naofumi YONEDA
  • Publication number: 20190058233
    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: Application
    Filed: March 22, 2016
    Publication date: February 21, 2019
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Akimichi HIROTA, Takeshi OSHIMA, Naofumi YONEDA, Jun NISHIHARA, Hiroyuki NONOMURA
  • Publication number: 20180366826
    Abstract: To achieve a phase shift circuit capable of obtaining good reflection characteristics and a desired phase shift amount at the center frequency without increasing the length in the propagating direction, the phase shift circuit includes: an input waveguide having an input terminal at one end; an output waveguide having an output terminal at one end; a middle waveguide whose thickness is thinner than a thickness of the input waveguide or the output waveguide and whose central position in a thickness direction different from a central position in the thickness direction of the input waveguide or the output waveguide; a first tapered waveguide which connects another end of the input waveguide with one end of the middle waveguide; and a second tapered waveguide which connects another end of the output waveguide with another end of the middle waveguide.
    Type: Application
    Filed: March 18, 2016
    Publication date: December 20, 2018
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hidenori YUKAWA, Yu USHIJIMA, Motomi WATANABE, Naofumi YONEDA
  • Publication number: 20180358679
    Abstract: A third coupler (3c) outputs a signal outputted from a first coupler (3a) to an input terminal (8-1) of a second septum polarizer (8b), and outputs a signal outputted from a second coupler (3b) to an input terminal (8-2) of a first septum polarizer (8a).
    Type: Application
    Filed: January 12, 2016
    Publication date: December 13, 2018
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hidenori YUKAWA, Yu USHIJIMA, Motomi WATANABE, Naofumi YONEDA
  • Publication number: 20180308776
    Abstract: A recess in a metal housing accommodating a high frequency package includes a first space and a second space and has a winners podium shape in cross-sectional view. A thermally conductive material is sandwiched between the metal housing having heat dissipating fins and the high frequency package.
    Type: Application
    Filed: December 24, 2015
    Publication date: October 25, 2018
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yasuo MORIMOTO, Hideharu YOSHIOKA, Akimichi HIROTA, Naofumi YONEDA, Takuma ISHIBASHI
  • Patent number: 10095090
    Abstract: A duct 45 is tubular and has one opening 451 that is mounted in a position to face an inlet port provided in one side of an apparatus body and the other opening 452 that is mounted in a position to face an exhaust port provided in the other side of the apparatus body. In a tubular interior of the duct 45, a fan 43 and a radiating fin 42 are provided. The fan 43 causes outside air to flow in from the inlet port for discharge from the exhaust port, and heat caused inside the apparatus body is transmitted by a heat transfer unit to the radiating fin 42. The outside air is applied to the radiating fin 42 by the fan 43, whereby the heat caused inside the apparatus body can be discharged efficiently.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: October 9, 2018
    Assignee: SONY CORPORATION
    Inventors: Naofumi Yoneda, Tatsuya Nishiyama, Yoshimasa Sakishita, Tadashi Isoda, Kenji Himeno
  • Publication number: 20180259715
    Abstract: [Object] To propose an optical communication connector, an optical communication cable, and an electronic device being novel and improved that have excellent maintenance properties and can prevent parallel light (collimated light) from being directly emitted to the outside of an optical connector during non-optical coupling. [Solution] There is provided an optical communication connector device including: a collimating lens configured to collimate light from an optical transmission path; a refracting section arranged on a leading end side with respect to the collimating lens, and configured to refract and eject light from the optical transmission path ejected from the collimating lens; and a scattering section configured to scatter at least a part of the light ejected from the refracting section.
    Type: Application
    Filed: September 7, 2016
    Publication date: September 13, 2018
    Inventors: KAZUAKI TOBA, MASANARI YAMAMOTO, RYOHEI TAKAHASHI, SATOSHI MUTO, TATSUSHI NASHIDA, SHINPEI HIRANO, NAOFUMI YONEDA
  • Publication number: 20180259724
    Abstract: [Object] To have excellent maintenance properties and restrain parallel light (collimated light) from being directly emitted to the outside of an optical connector during non-optical coupling. [Solution] An optical communication connector according to the present disclosure includes: a collimating lens configured to collimate light from an optical transmission path; and a diffusion section arranged on a leading end side with respect to the collimating lens, and configured to diffuse the light from the optical transmission path output from the collimating lens. According to this configuration, in the optical communication in which insertion and removal are frequently performed, it is possible to achieve their safety during non-fitting at the same time while having an advantage because of a collimating signal since light from an optical transmission path is diffused.
    Type: Application
    Filed: September 7, 2016
    Publication date: September 13, 2018
    Inventors: KAZUAKI TOBA, MASANARI YAMAMOTO, SATOSHI MUTO, TAKEO ARAI, TATSUSHI NASHIDA, SHINPEI HIRANO, NAOFUMI YONEDA
  • Publication number: 20180145423
    Abstract: A feeder circuit includes: a first line 103 having first and second ends; a second line 104 having first and second ends; a third line 105 having first and second ends; a first combiner 101 configured to combine signals output from the second ends of the first and second lines 103 and 104; a first coupling portion 115 configured to electrically couple portions of the first and third lines to each other; and a second coupling portion 116 configured to electrically couple portions of the second and third lines to each other in a manner that allows a signal reaching the first combiner from the first end of the third line through the first coupling portion and a signal reaching the first combiner from the first end of the third line through the second coupling portion, to be cancelled out.
    Type: Application
    Filed: July 30, 2015
    Publication date: May 24, 2018
    Applicant: Mitsubishi Electric Corporation
    Inventors: Akimichi HIROTA, Naofumi YONEDA, Shigeo UDAGAWA, Mitsuru KIRITA
  • Publication number: 20170261840
    Abstract: A duct 45 is tubular and has one opening 451 that is mounted in a position to face an inlet port provided in one side of an apparatus body and the other opening 452 that is mounted in a position to face an exhaust port provided in the other side of the apparatus body. In a tubular interior of the duct 45, a fan 43 and a radiating fin 42 are provided. The fan 43 causes outside air to flow in from the inlet port for discharge from the exhaust port, and heat caused inside the apparatus body is transmitted by a heat transfer unit to the radiating fin 42. The outside air is applied to the radiating fin 42 by the fan 43, whereby the heat caused inside the apparatus body can be discharged efficiently.
    Type: Application
    Filed: June 23, 2015
    Publication date: September 14, 2017
    Inventors: NAOFUMI YONEDA, TATSUYA NISHIYAMA, YOSHIMASA SAKISHITA, TADASHI ISODA, KENJI HIMENO
  • Publication number: 20170255084
    Abstract: An imaging apparatus including a main unit, a grip, and an arm. The main unit includes an imaging device and imaging lens. The grip is configured to be gripped by a user. The arm includes a first attaching portion and a second attaching portion. The grip is attached to the first attaching portion, and the second attaching portion is attached to the main unit of the imaging apparatus. A position of the grip is adjustable, with respect to the main unit, about the second attaching portion. Further, an orientation of the grip is adjustable, with respect to the main unit, about the first attaching portion of the arm.
    Type: Application
    Filed: August 11, 2015
    Publication date: September 7, 2017
    Inventors: NAOFUMI YONEDA, TATSUYA NISHIYAMA, KENJI HIMENO, JUN ISHIDA, AKIHIRO MIYAZAKI
  • Patent number: 8723616
    Abstract: Provided is a waveguide-microstrip line converter, including: a waveguide; a dielectric substrate that is connected to cover one end of the waveguide; a strip conductor that is disposed on a front surface of the dielectric substrate; a conductor plate that is disposed the front surface of the dielectric substrate, and connected to the strip conductor; a ground conductor that is disposed on a rear surface of the dielectric substrate; and a plurality of connection conductors that connect a periphery of the conductor plate and the ground conductor, in which: the ground conductor has an opening formed therein in a connection region; the strip conductor and the ground conductor form a microstrip line; and the plurality of connection conductors are arranged so that a distance between two lines of the plurality of connection conductors that are aligned in a longitudinal direction of the microstrip line, and disposed on both opposing sides of the conductor plate in a vicinity of a connection portion is narrower than
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: May 13, 2014
    Assignee: Mitsubishi Electric Corporation
    Inventors: Akimichi Hirota, Yukihiro Tahara, Naofumi Yoneda
  • Patent number: 8723618
    Abstract: The power combiner/distributor for performing one of power combination and power division, includes: a first branch circuit (117) having a plurality of first branch side terminals (113, 114) connected in parallel and one first combination side terminal (115), which are connected through a first power combination point (116); and a second branch circuit (137) having a plurality of second branch side terminals (133, 134) connected in parallel and one second combination side terminal (135) connected through a second power combination point (136), the one first combination side terminal and the one of plurality of second branch side terminals being connected to each other, in which a length from the first power combination point to the second power combination point is an integral multiple of ½ wavelength.
    Type: Grant
    Filed: April 12, 2011
    Date of Patent: May 13, 2014
    Assignee: Mitsubishi Electric Corporation
    Inventors: Akimichi Hirota, Yukihiro Tahara, Naofumi Yoneda, Yuji Sakai