Patents by Inventor Akihiro Matsunaga

Akihiro Matsunaga 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: 20250038450
    Abstract: A connector for biological data acquisition includes a housing attached to a mounting object and including a first exposed surface that faces an opposite side from a body surface of a user and a second exposed surface that faces the body surface, and a plurality of conductive members each extending along a fitting direction and retained by the housing in a state of passing through the housing in the fitting direction from the first exposed surface to the second exposed surface, each of the conductive members including a conductive contact portion protruding from the first exposed surface of the housing and being connected to a counter contact of the counter connector when the connector for biological data acquisition is fitted to the counter connector, and a conductive electrode portion protruding from the second exposed surface of the housing and being used to acquire biological data of the user.
    Type: Application
    Filed: June 10, 2024
    Publication date: January 30, 2025
    Inventors: Tetsuya KOMOTO, Akihiro MATSUNAGA
  • Publication number: 20240364030
    Abstract: Embodiments of a highly-repairable, non-soldered Universal Serial Bus (USB) connector are described. In some non-limiting embodiments, a USB connector assembly comprises: a mounting bracket configured to removably attach to a printed circuit board (PCB); and a plurality of spring contacts disposed at least in part within the mounting bracket, wherein the spring contacts are configured to electrically connect to corresponding ones of a plurality of electrical contact pads of the PCB, and wherein an individual spring contact of the plurality of spring contacts applies a contact force to a corresponding one of the electrical contact pads of the PCB upon assembly of the mounting bracket onto the PCB.
    Type: Application
    Filed: April 28, 2023
    Publication date: October 31, 2024
    Applicant: Dell Products, L.P.
    Inventors: Richard Eddings, Ernesto Ramirez, Michael David, Junji Oosaka, Akihiro Matsunaga
  • Publication number: 20240313445
    Abstract: A connector device is provided with a substrate and a connector joined to the substrate. The substrate is provided with a through hole which pierces the substrate. The connector has a mounting surface, and the mounting surface is directed to the substrate. The mounting surface is formed with a visual recognition mark. The visual recognition mark is visually recognizable through the through hole.
    Type: Application
    Filed: February 2, 2024
    Publication date: September 19, 2024
    Applicant: JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITED
    Inventors: Junji OOSAKA, Yohei YOKOYAMA, Yosuke HONDA, Akihiro MATSUNAGA
  • Publication number: 20240204450
    Abstract: A connector includes a housing accommodating an end of the connection object and an end of the electric wire, the connection object and the conductor portion of the electric wire making contact with and being electrically connected to each other in the housing, the housing having an electric wire lead-out port leading out the electric wire from inside to outside of the housing, the electric wire lead-out port having a first contact portion and a second contact portion that make contact with the electric wire at two positions separate away from each other along a length direction of the electric wire so as to disperse a load applied to the electric wire when the electric wire is led out from the housing at a predetermined minimum bending radius determined by a shape of the housing around the electric wire lead-out port.
    Type: Application
    Filed: October 11, 2023
    Publication date: June 20, 2024
    Inventors: Takumi KINOSHITA, Akihiro MATSUNAGA
  • Publication number: 20230223717
    Abstract: A connector includes a base member and a contact connected to a connection object, a first surface of the base member making contact with a bottom surface of a sheet-like conductive member, the contact being fixed to the base member by a deformed portion of the projection in a state where a root portion of the projection is accommodated in a projection accommodating portion with the sheet-like conductive member being sandwiched therebetween, an inner peripheral surface of the projection accommodating portion making contact with a flexible conductor of the sheet-like conductive member, whereby the connection object is electrically connected to the flexible conductor via the contact.
    Type: Application
    Filed: October 26, 2022
    Publication date: July 13, 2023
    Inventors: Takumi KINOSHITA, Akihiro MATSUNAGA, Kenta ASHIBU
  • Patent number: 11699874
    Abstract: Provided is a connector including a surrounding wall with an improved strength against an outward force. The connector of the invention includes a contact that contacts a counter contact of a counter connector, a housing to which the contact is fitted and attached, and a surrounding wall disposed to surround the housing. A gap is provided between the housing and the surrounding wall, and in a connector fitting state, the surrounding wall is in contact with a counter surrounding wall of the counter connector that has entered the gap. The surrounding wall is provided with a protrusion portion protruding outward in a second direction intersecting a first direction, and an end portion on a board side of the protrusion portion in the first direction is in contact with a board.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: July 11, 2023
    Assignee: JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITED
    Inventors: Junji Oosaka, Akihiro Matsunaga
  • Patent number: 11522308
    Abstract: A connector is mounted on an input-output board. The connector is interposed between the input-output board and a CPU board, and thereby a plurality of pads of the input-output board and a plurality of pads of the CPU board are respectively electrically connected. The connector includes a rectangular flat-plate housing having a first positioning hole and a second positioning hole, and at least one contact row held on the housing. The first positioning hole is formed at a first housing corner part of the housing. The second positioning hole is formed at a fourth housing corner part, which is at a diagonal position with respect to the first housing corner part, of the housing.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: December 6, 2022
    Assignee: Japan Aviation Electronics Industry, Ltd.
    Inventors: Junji Oosaka, Yuichi Takenaga, Akihiro Matsunaga
  • Patent number: 11489291
    Abstract: A cantilever spring is positioned in a slit in a shell, and has a free end and a fixed end fixed to the shell. The cantilever spring extends in a height direction of the shell. The fixed end of the cantilever spring is positioned near a part that is attachable to a board, and the free end of the cantilever spring is apart from that part.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: November 1, 2022
    Assignee: JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITED
    Inventors: Junji Oosaka, Yohei Yokoyama, Akihiro Matsunaga
  • Patent number: 11431140
    Abstract: A composite connector that contributes to an improvement of workability for mating connectors with each other while preventing or reducing an increase in manufacturing cost is provided. A composite connector includes a first module including a first housing in which a first connector is exposed, and a second housing rotatable about the first housing, the second housing including a second connector, and a second module including a third connector, and a third housing including a fourth connector, the third connector being configured to be mated with and connected to the first connector. The composite connector is configured so that the second and fourth connectors are mated with each other in a state in which one of a projection and a recess that is formed in the second housing is mated with the other of the projection and the recess that is formed in the third housing.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: August 30, 2022
    Assignee: Japan Aviation Electronics Industry, Ltd.
    Inventors: Tetsuya Komoto, Akihiro Matsunaga
  • Patent number: 11424564
    Abstract: A connector includes a rectangular flat-plate housing including a first positioning hole and a second positioning hole, and a contact row and a contact row held on the housing. The housing includes a first pitch side surface and a second pitch side surface on an opposite side of the first pitch side surface. The contact row and the contact row extend from the first pitch side surface to the second pitch side surface. The first positioning hole is disposed between the first pitch side surface and the contact row, and the second positioning hole is disposed between the first pitch side surface and the contact row.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: August 23, 2022
    Assignee: Japan Aviation Electronics Industry, Ltd.
    Inventors: Junji Oosaka, Yuichi Takenaga, Akihiro Matsunaga
  • Patent number: 11417975
    Abstract: A connector includes a flat-plate housing made of insulating resin and including a first positioning hole and a second positioning hole, a plurality of contacts held on the housing, and a first hold-down and a second hold-down made of metal and disposed to correspond to a first positioning hole and a second positioning hole, respectively. The housing includes a CPU board opposed surface to be opposed to a CPU board. The first hold-down includes a reinforcing plate part to cover the CPU board opposed surface around the corresponding first positioning hole. The second hold-down includes a reinforcing plate part to cover the CPU board opposed surface around the corresponding second positioning hole.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: August 16, 2022
    Assignee: Japan Aviation Electronics Industry, Ltd.
    Inventors: Junji Oosaka, Yuichi Takenaga, Akihiro Matsunaga
  • Patent number: 11398691
    Abstract: There is provided a circuit board assembly constructed by stacking a first circuit board having a first contact portion and a second circuit board having a second contact portion to allow the first and second contact portions to contact each other, which is bendable along a first direction. The first circuit board has a first hole that is formed within a range in which a pair of first projection pieces are present in a second direction perpendicular to the first direction, at least part of the first hole being situated between the pair of first projection pieces in the first direction, and the second circuit board has a second hole that is formed within a range in which the pair of second projection pieces are present in the second direction, at least part of the second hole being situated between the pair of second projection pieces in the first direction.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: July 26, 2022
    Assignee: JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITED
    Inventors: Tetsuya Komoto, Osamu Hashiguchi, Akihiro Matsunaga
  • Patent number: 11367973
    Abstract: A connector includes a rectangular flat-plate housing including a first positioning hole and a second positioning hole, and a contact row and a contact row held on the housing. The housing includes a first pitch side surface and a second pitch side surface on an opposite side of the first pitch side surface. The contact row and the contact row extend from the first pitch side surface to the second pitch side surface. The first positioning hole is disposed between the first pitch side surface and the contact row, and the second positioning hole is disposed between the first pitch side surface and the contact row.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: June 21, 2022
    Assignee: Japan Aviation Electronics Industry, Ltd.
    Inventors: Junji Oosaka, Yuichi Takenaga, Akihiro Matsunaga
  • Patent number: 11349232
    Abstract: A connector includes a flat-plate housing made of insulating resin and a contact held on a housing by press-fitting. The housing includes a press-fitting space and a solder connection checking hole. The contact includes a press-fit part to be press-fit into the press-fitting space, and a soldering part that extends from the press-fit part and is connected by soldering to a pad of an input-output board. The solder connection checking hole is formed to penetrate the housing in the vertical direction and allow a solder fillet, which is formed when the soldering part is soldered to the pad of the input-output board, to be checked through the solder connection checking hole. The housing includes a separating wall that separates the press-fitting space from the solder connection checking hole.
    Type: Grant
    Filed: October 1, 2021
    Date of Patent: May 31, 2022
    Assignee: Japan Aviation Electronics Industry, Ltd.
    Inventors: Junji Oosaka, Yuichi Takenaga, Akihiro Matsunaga
  • Patent number: 11336042
    Abstract: A connector includes a flat-plate housing made of insulating resin and including a first positioning hole and a second positioning hole, a plurality of contacts held on the housing, and a first hold-down and a second hold-down made of metal and disposed to correspond to a first positioning hole and a second positioning hole, respectively. The housing includes a CPU board opposed surface to be opposed to a CPU board. The first hold-down includes a reinforcing plate part to cover the CPU board opposed surface around the corresponding first positioning hole. The second hold-down includes a reinforcing plate part to cover the CPU board opposed surface around the corresponding second positioning hole.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: May 17, 2022
    Assignee: Japan Aviation Electronics Industry, Ltd.
    Inventors: Junji Oosaka, Yuichi Takenaga, Akihiro Matsunaga
  • Patent number: 11258189
    Abstract: A connector includes a pushing member having a projection, a support member disposed to contact a lateral surface of the projection, and a contact made of a conductive material and having a support member facing portion facing the support member, a part of the flexible conductor being disposed between the support member and the support member facing portion of the contact, the lateral surface of the projection pressing the part of the flexible conductor against the support member facing portion of the contact via the support member, whereby the contact is electrically connected to the flexible conductor.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: February 22, 2022
    Assignee: Japan Aviation Electronics Industry, Limited
    Inventors: Osamu Hashiguchi, Tetsuya Komoto, Akihiro Matsunaga
  • Patent number: 11251549
    Abstract: A connector includes a flat-plate housing made of insulating resin and a contact held on a housing by press-fitting. The housing includes a press-fitting space and a solder connection checking hole. The contact includes a press-fit part to be press-fit into the press-fitting space, and a soldering part that extends from the press-fit part and is connected by soldering to a pad of an input-output board. The solder connection checking hole is formed to penetrate the housing in the vertical direction and allow a solder fillet, which is formed when the soldering part is soldered to the pad of the input-output board, to be checked through the solder connection checking hole. The housing includes a separating wall that separates the press-fitting space from the solder connection checking hole.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: February 15, 2022
    Assignee: Japan Aviation Electronics Industry, Ltd.
    Inventors: Junji Oosaka, Yuichi Takenaga, Akihiro Matsunaga
  • Publication number: 20220045466
    Abstract: A composite connector that contributes to an improvement of workability for mating connectors with each other while preventing or reducing an increase in manufacturing cost is provided. A composite connector includes a first module including a first housing in which a first connector is exposed, and a second housing rotatable about the first housing, the second housing including a second connector, and a second module including a third connector, and a third housing including a fourth connector, the third connector being configured to be mated with and connected to the first connector. The composite connector is configured so that the second and fourth connectors are mated with each other in a state in which one of a projection and a recess that is formed in the second housing is mated with the other of the projection and the recess that is formed in the third housing.
    Type: Application
    Filed: May 21, 2021
    Publication date: February 10, 2022
    Inventors: Tetsuya KOMOTO, Akihiro MATSUNAGA
  • Publication number: 20220037818
    Abstract: A connector includes a rectangular flat-plate housing including a first positioning hole and a second positioning hole, and a contact row and a contact row held on the housing. The housing includes a first pitch side surface and a second pitch side surface on an opposite side of the first pitch side surface. The contact row and the contact row extend from the first pitch side surface to the second pitch side surface. The first positioning hole is disposed between the first pitch side surface and the contact row, and the second positioning hole is disposed between the first pitch side surface and the contact row.
    Type: Application
    Filed: October 14, 2021
    Publication date: February 3, 2022
    Inventors: Junji OOSAKA, Yuichi TAKENAGA, Akihiro MATSUNAGA
  • Publication number: 20220021140
    Abstract: A connector includes a flat-plate housing made of insulating resin and a contact held on a housing by press-fitting. The housing includes a press-fitting space and a solder connection checking hole. The contact includes a press-fit part to be press-fit into the press-fitting space, and a soldering part that extends from the press-fit part and is connected by soldering to a pad of an input-output board. The solder connection checking hole is formed to penetrate the housing in the vertical direction and allow a solder fillet, which is formed when the soldering part is soldered to the pad of the input-output board, to be checked through the solder connection checking hole. The housing includes a separating wall that separates the press-fitting space from the solder connection checking hole.
    Type: Application
    Filed: October 1, 2021
    Publication date: January 20, 2022
    Inventors: Junji OOSAKA, Yuichi TAKENAGA, Akihiro MATSUNAGA