Patents by Inventor Yuu Kawai

Yuu Kawai 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: 20240055027
    Abstract: According to one embodiment, a disk device includes a housing with a bottom wall, magnetic disks supported on a hub of a motor, a printed circuit board provided on an outer surface of the bottom wall, and a wiring board attached on the outer surface of the bottom wall. The bottom wall includes a recess formed in the outer surface, a step located on border between the outer surface and the recess, and through holes opened to the recess. The wiring board includes one end portion disposed in the recess and connection pads on the one end portion, connected to lead wires of a coil. An adhesive is filled into the recess and the through holes, and covers the one end and a solder joint and seals the through holes.
    Type: Application
    Filed: October 9, 2023
    Publication date: February 15, 2024
    Inventors: Manabu UEHARA, Yuu Kawai
  • Patent number: 11817132
    Abstract: According to one embodiment, a disk device includes a housing with a bottom wall, magnetic disks supported on a hub of a motor, a printed circuit board provided on an outer surface of the bottom wall, and a wiring board attached on the outer surface of the bottom wall. The bottom wall includes a recess formed in the outer surface, a step located on border between the outer surface and the recess, and through holes opened to the recess. The wiring board includes one end portion disposed in the recess and connection pads on the one end portion, connected to lead wires of a coil. An adhesive is filled into the recess and the through holes, and covers the one end and a solder joint and seals the through holes.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: November 14, 2023
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation
    Inventors: Manabu Uehara, Yuu Kawai
  • Publication number: 20230088914
    Abstract: A disk device includes a magnetic disk, a magnetic head configured to read information from and write information to the magnetic disk, a housing having a mounting space in which the magnetic disk and the magnetic head are mounted, a substrate, and a sensor. The housing includes a wall and a hole extending therethrough to the mounting space. The substrate is attached to an outer side of the wall and sealing the hole. The sensor is mounted on the substrate.
    Type: Application
    Filed: March 3, 2022
    Publication date: March 23, 2023
    Inventor: Yuu KAWAI
  • Publication number: 20220076710
    Abstract: According to one embodiment, a disk device includes a housing with a bottom wall, magnetic disks supported on a hub of a motor, a printed circuit board provided on an outer surface of the bottom wall, and a wiring board attached on the outer surface of the bottom wall. The bottom wall includes a recess formed in the outer surface, a step located on border between the outer surface and the recess, and through holes opened to the recess. The wiring board includes one end portion disposed in the recess and connection pads on the one end portion, connected to lead wires of a coil. An adhesive is filled into the recess and the through holes, and covers the one end and a solder joint and seals the through holes.
    Type: Application
    Filed: November 19, 2021
    Publication date: March 10, 2022
    Inventors: Manabu Uehara, Yuu Kawai
  • Patent number: 11211099
    Abstract: According to one embodiment, a disk device includes a housing with a bottom wall, magnetic disks supported on a hub of a motor, a printed circuit board provided on an outer surface of the bottom wall, and a wiring board attached on the outer surface of the bottom wall. The bottom wall includes a recess formed in the outer surface, a step located on border between the outer surface and the recess, and through holes opened to the recess. The wiring board includes one end portion disposed in the recess and connection pads on the one end portion, connected to lead wires of a coil. An adhesive is filled into the recess and the through holes, and covers the one end and a solder joint and seals the through holes.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: December 28, 2021
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
    Inventors: Manabu Uehara, Yuu Kawai
  • Publication number: 20210272603
    Abstract: According to one embodiment, a disk device includes a housing with a bottom wall, magnetic disks supported on a hub of a motor, a printed circuit board provided on an outer surface of the bottom wall, and a wiring board attached on the outer surface of the bottom wall. The bottom wall includes a recess formed in the outer surface, a step located on border between the outer surface and the recess, and through holes opened to the recess. The wiring board includes one end portion disposed in the recess and connection pads on the one end portion, connected to lead wires of a coil. An adhesive is filled into the recess and the through holes, and covers the one end and a solder joint and seals the through holes.
    Type: Application
    Filed: September 10, 2020
    Publication date: September 2, 2021
    Inventors: Manabu Uehara, Yuu Kawai
  • Publication number: 20170109244
    Abstract: According to one embodiment, a storage device connectable to a host and includes a storage medium and a controller. The controller is configured to measure, if detecting a situation in which quality of a signal is measurable in a state where communication with a host is possible, an eye pattern of the signal communicated with the host, and store a measurement result on the storage medium.
    Type: Application
    Filed: February 2, 2016
    Publication date: April 20, 2017
    Inventors: Yuu Kawai, Mamoru Mori