Patents by Inventor Tomokazu Yuasa

Tomokazu Yuasa 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: 20230056389
    Abstract: According to one embodiment, an electronic device includes a housing formed of an insulator and including an outer surface and a mounting part opened to the outer surface, a conductor member provided in the inside of the housing, an installation component formed of an insulator and can be installed into the mounting part, and a first connector provided on the inner side of the mounting part. The mounting part includes communicating apertures at a position in contact with a gap to be formed between the mounting part and the installation component when the installation component is installed into the mounting part and on the outer surface side with respect to the first connector, and the conductor member is exposed to the gap through the communicating aperture.
    Type: Application
    Filed: April 14, 2022
    Publication date: February 23, 2023
    Inventor: Tomokazu Yuasa
  • Patent number: 11537170
    Abstract: According to one embodiment, an electronic device includes a housing including a shield region, and a non-shield region formed of a dielectric, a part of the shield region is formed of a conductor, an antenna in the non-shield region, a vibration generating member including a casing formed of a dielectric, the vibration generating member being in the housing such that a surface of a part of the casing in the shield region and another part of the casing in the non-shield region, and an elastic support member which is sandwiched between the housing and the part of the casing, the elastic support member having a conductive property.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: December 27, 2022
    Assignee: DYNABOOK INC.
    Inventors: Takehiro Hori, Toshiyuki Hirota, Shigeki Nishiyama, Kazuhiro Nakamura, Tomokazu Yuasa, Shingo Koide
  • Publication number: 20220308636
    Abstract: According to one embodiment, an electronic device includes a housing including a shield region, and a non-shield region formed of a dielectric, a part of the shield region is formed of a conductor, an antenna in the non-shield region, a vibration generating member including a casing formed of a dielectric, the vibration generating member being in the housing such that a surface of a part of the casing in the shield region and another part of the casing in the non-shield region, and an elastic support member which is sandwiched between the housing and the part of the casing, the elastic support member having a conductive property.
    Type: Application
    Filed: December 1, 2021
    Publication date: September 29, 2022
    Inventors: Takehiro Hori, Toshiyuki Hirota, Shigeki Nishiyama, Kazuhiro Nakamura, Tomokazu Yuasa, Shingo Koide
  • Patent number: 10405468
    Abstract: According to one embodiment, a shield case includes a frame configured to surround an electronic component and including a contact portion at a top of the frame, and a cover including a side plate and a top plate, a groove being formed at a peripheral portion of the top plate. The side plate is outside the frame and the groove contacts the contact portion when the cover is engaged with the frame.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: September 3, 2019
    Assignee: Toshiba Client Solutions Co., Ltd.
    Inventors: Tomokazu Yuasa, Hideo Shirasaka
  • Publication number: 20180359884
    Abstract: According to one embodiment, a shield case includes a frame configured to surround an electronic component and including a contact portion at a top of the frame, and a cover including a side plate and a top plate, a groove being formed at a peripheral portion of the top plate. The side plate is outside the frame and the groove contacts the contact portion when the cover is engaged with the frame.
    Type: Application
    Filed: April 16, 2018
    Publication date: December 13, 2018
    Inventors: Tomokazu Yuasa, Hideo Shirasaka
  • Patent number: 9391029
    Abstract: According to one embodiment, an electronic device includes a first substrate, a second substrate, an electronic component and a first shield. The first substrate includes a first surface, a second surface, and an aperture. The second substrate includes a third surface fixed to the second surface. The electronic component is mounted on the third surface, passes through the aperture and protrudes from the first surface. The first shield includes a first portion facing the component protruding from the first surface, and second portions which extend from the first portion, are fixed to the first surface and face corner portions of the third surface respectively.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: July 12, 2016
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shinya Hayashiyama, Hirofumi Morita, Tomokazu Yuasa, Tomofumi Miyamoto, Daisuke Maehara
  • Publication number: 20150364428
    Abstract: According to one embodiment, an electronic device includes a first substrate, a second substrate, an electronic component and a first shield. The first substrate includes a first surface, a second surface, and an aperture. The second substrate includes a third surface fixed to the second surface. The electronic component is mounted on the third surface, passes through the aperture and protrudes from the first surface. The first shield includes a first portion facing the component protruding from the first surface, and second portions which extend from the first portion, are fixed to the first surface and face corner portions of the third surface respectively.
    Type: Application
    Filed: February 27, 2015
    Publication date: December 17, 2015
    Inventors: Shinya Hayashiyama, Hirofumi Morita, Tomokazu Yuasa, Tomofumi Miyamoto, Daisuke Maehara
  • Patent number: 9054413
    Abstract: According to one embodiment, an antenna apparatus includes an antenna element and a parasitic element. The antenna element includes an element main body whose first end portion is connected to a feed point and second end portion as the other end portion is open, with the element main body being configured to be selectable between a first state in which the element main body is retracted into a housing of the electronic device and a second state in which the element main body extends from the housing. The parasitic element is disposed such that when the antenna element is in the first state, the first end portion is connected to the element main body of the antenna element and the second end portion is connected to a ground portion.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: June 9, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tomokazu Yuasa, Hiroyuki Hotta
  • Patent number: 8929942
    Abstract: According to an aspect of the present invention, there is provided a wireless communication device including: a cable port to which an external device is connected; a reading unit that reads identification information from the external device; a determination unit that determines whether the external device is the source-side wireless communication device; an authentication memory unit that performs an authentication process with the source-side wireless communication device; a wireless communication unit that performs a wireless communication with the source-side wireless communication device; and a physical address processing unit that controls the source-side wireless communication device to store a physical address of a source-side device calculated based on from the read identification information of the sink-side device.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: January 6, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Tomokazu Yuasa
  • Publication number: 20130257661
    Abstract: According to one embodiment, an antenna apparatus includes an antenna element and a parasitic element. The antenna element includes an element main body whose first end portion is connected to a feed point and second end portion as the other end portion is open, with the element main body being configured to be selectable between a first state in which the element main body is retracted into a housing of the electronic device and a second state in which the element main body extends from the housing. The parasitic element is disposed such that when the antenna element is in the first state, the first end portion is connected to the element main body of the antenna element and the second end portion is connected to a ground portion.
    Type: Application
    Filed: December 19, 2012
    Publication date: October 3, 2013
    Inventors: Tomokazu Yuasa, Hiroyuki Hotta
  • Patent number: 8340709
    Abstract: According to an aspect of the present invention, there is provided a wireless communication device including: a cable port to which an external device is connected; a reading unit that reads identification information from the external device; a determination unit that determines whether the external device is the source-side wireless communication device; an authentication memory unit that performs an authentication process with the source-side wireless communication device; a wireless communication unit that performs a wireless communication with the source-side wireless communication device; and a physical address processing unit that controls the source-side wireless communication device to store a physical address of a source-side device calculated based on from the read identification information of the sink-side device.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: December 25, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Tomokazu Yuasa
  • Publication number: 20110319135
    Abstract: According to an aspect of the present invention, there is provided a wireless communication device including: a cable port to which an external device is connected; a reading unit that reads identification information from the external device; a determination unit that determines whether the external device is the source-side wireless communication device; an authentication memory unit that performs an authentication process with the source-side wireless communication device; a wireless communication unit that performs a wireless communication with the source-side wireless communication device; and a physical address processing unit that controls the source-side wireless communication device to store a physical address of a source-side device calculated based on from the read identification information of the sink-side device.
    Type: Application
    Filed: August 31, 2011
    Publication date: December 29, 2011
    Applicant: Kabushiki Kaisha Toshiba
    Inventor: Tomokazu Yuasa
  • Publication number: 20110241434
    Abstract: According to one embodiment, a communication system including a first communication apparatus and a second communication apparatus is provided. The first communication apparatus includes: a connector which is connectable to a cable for electrical transmission; an electric power generator which generates electric power when the cable is connected to the connector; a first communication module which communicates, by using electric power, with the second communication apparatus for supplying and receiving electric power; and an electric power receiver which receives electric power transmitted from the second communication apparatus.
    Type: Application
    Filed: March 22, 2011
    Publication date: October 6, 2011
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomokazu YUASA, Hideki MIYAZATO
  • Patent number: 8032077
    Abstract: According to an aspect of the present invention, there is provided a wireless communication device including: a cable port to which an external device is connected; a reading unit that reads identification information from the external device; a determination unit that determines whether the external device is the source-side wireless communication device; an authentication memory unit that performs an authentication process with the source-side wireless communication device; a wireless communication unit that performs a wireless communication with the source-side wireless communication device; and a physical address processing unit that controls the source-side wireless communication device to store a physical address of a source-side device calculated based on from the read identification information of the sink-side device.
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: October 4, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Tomokazu Yuasa
  • Patent number: 7969958
    Abstract: According to one embodiment, a radio communication apparatus includes a first reservation slot securing unit, a second reservation slot securing unit and a radio communication unit. The first reservation slot securing unit secures a first reservation slot for performing radio communication through a first transmission output in a radio communicable slot to be shared in time division in a group by adjustment in periodically formed beacon slots. The second reservation slot securing unit secures a second reservation slot for performing radio communication through a second transmission output smaller than the first transmission output in the radio-communicable period, when the first reservation slot securing unit fails in securing the first reservation slot. And the radio communication unit performs radio communication through the first transmission output or the second transmission output by using at least either the first reservation slot or the second reservation slot.
    Type: Grant
    Filed: May 19, 2008
    Date of Patent: June 28, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Tomokazu Yuasa
  • Publication number: 20100323761
    Abstract: According to an aspect of the present invention, there is provided a wireless communication device including: a cable port to which an external device is connected; a reading unit that reads identification information from the external device; a determination unit that determines whether the external device is the source-side wireless communication device; an authentication memory unit that performs an authentication process with the source-side wireless communication device; a wireless communication unit that performs a wireless communication with the source-side wireless communication device; and a physical address processing unit that controls the source-side wireless communication device to store a physical address of a source-side device calculated based on from the read identification information of the sink-side device.
    Type: Application
    Filed: March 22, 2010
    Publication date: December 23, 2010
    Inventor: Tomokazu Yuasa
  • Patent number: 7741953
    Abstract: According to one embodiment, a wireless control system having an electronic device with a wireless communication function and a remote control module for remotely operating the electronic device, wherein the remote control module includes a control module. A control module configured to transmit a authentication information to a other device via a proximity communication module and receive remote control command information for remotely operating the other device from the other device via the proximity communication module so as to store it in a storage module in order to allow the other device to start a process for establishing wireless connection with the electronic device based on the authentication information.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: June 22, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Tomokazu Yuasa
  • Patent number: 7720033
    Abstract: According to one embodiment, a wireless communication apparatus includes a reserved period ensuring unit which ensures a reserved period to be occupied for communication in a communicable period time-shared in a group by adjustment in a periodic beacon period, a wireless communication unit which performs wireless communication using the reserved period, a group generating unit which generates a new group in which a periodic beacon period is formed not to temporally overlap the beacon period and causes the apparatus to belong to the new group, when the reserved period ensuring unit fails to ensure the reserved period, and a controlling unit which controls the reserved period ensuring unit to ensure the reserved period not to temporally overlap the beacon period of the original group in the communicable period of the new group to which the apparatus is caused to belong by the group generating unit.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: May 18, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Tomokazu Yuasa
  • Publication number: 20100075601
    Abstract: According to one embodiment, a wireless communication apparatus includes a communication module configured to wirelessly communicate with an external device, a field strength measurement module configured to measure a field strength which is received by the communication module from the external device, a determination module configured to determine whether a state is a first state in which a period during which the field strength measured by the field strength measurement module is continuously greater than or equal to a threshold is greater than or equal to a certain period, or a second state in that the period is less than the certain period, and a control module configured to execute a first process using the communication module when the state is determined to be the first state, and execute a second process using the communication module when the state is determined to be the second state.
    Type: Application
    Filed: April 27, 2009
    Publication date: March 25, 2010
    Applicant: Kabushiki Kaisha Toshiba
    Inventor: Tomokazu Yuasa
  • Publication number: 20090289758
    Abstract: According to one embodiment, a wireless control system having an electronic device with a wireless communication function and a remote control module for remotely operating the electronic device, wherein the remote control module includes a control module. A control module configured to transmit a authentication information to a other device via a proximity communication module and receive remote control command information for remotely operating the other device from the other device via the proximity communication module so as to store it in a storage module in order to allow the other device to start a process for establishing wireless connection with the electronic device based on the authentication information.
    Type: Application
    Filed: December 8, 2008
    Publication date: November 26, 2009
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventor: Tomokazu Yuasa