Patents by Inventor Tatsuya Kawawa

Tatsuya Kawawa 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: 20240085733
    Abstract: A display device includes a backlight, a display element, a plate for holding at least a portion of an emission surface, from which an image light is emitted, provided on the display element, and a heat dissipation portion that dissipates heat generated from the display element. The display element is connected to the heat dissipation portion via the plate.
    Type: Application
    Filed: November 17, 2023
    Publication date: March 14, 2024
    Applicant: Maxell, Ltd.
    Inventors: Eiji KAWAWA, Toshinori SUGIYAMA, Tomoki YAMAMOTO, Tatsuya NAKAZAWA, Keisuke SAWADA, Akio MISAWA, Nozomu SHIMODA
  • Patent number: 8886966
    Abstract: According to one embodiment, an information processing apparatus which includes a function of executing a predetermined task upon resuming from a power saving state at a predetermined timing, and changing to the power saving state after the task is completed, comprises an determination unit configured to determine whether the information processing apparatus satisfies a predetermined condition every predetermined timing of executing the predetermined task in the power saving state of the information processing apparatus, and a control unit configured to control to execute the predetermined task upon resuming the information processing apparatus from the power saving condition when the determination unit determines that the information processing apparatus satisfies the predetermined condition, and maintain the information processing apparatus in the power saving mode when the determination unit determines that the information processing apparatus does not satisfy the predetermined condition.
    Type: Grant
    Filed: October 5, 2006
    Date of Patent: November 11, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tatsuya Aoyagi, Tatsuya Kawawa
  • Publication number: 20120276432
    Abstract: According to one embodiment, an electronic apparatus comprises a housing, a holding part and a battery unit. Placed in the battery receptacle of the housing, the battery unit comprises a plurality of cells and a case accommodating the plurality of cells. The case comprises (i) a first part configured to contain at least one cell, (ii) a second part configured to contain at least one cell different from the at least one cell contained in the first part, and (iii) a third part located between the first part and the second part. The third part of the case includes a thin wall portion having a thickness less than a thickness of each of the plurality of cells. The thin wall portion includes a bottom on which the holding part is stacked in a thickness direction of the housing when the battery unit is placed in the battery receptacle.
    Type: Application
    Filed: July 9, 2012
    Publication date: November 1, 2012
    Inventors: Koichiro Takeguchi, Tatsuya Kawawa
  • Patent number: 8216709
    Abstract: According to one embodiment, a battery unit comprises a plurality of cells and a case to contain the cells. The case includes a first part to contain at least one cell, a second part to contain at least one cell, and a third part to connect the first and second parts. At least a portion of the third part is made thinner than the first and second parts.
    Type: Grant
    Filed: September 13, 2005
    Date of Patent: July 10, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Koichiro Takeguchi, Tatsuya Kawawa
  • Patent number: 7710724
    Abstract: According to one embodiment, an electronic apparatus has a housing, a first heat emitter and a second heat emitter which are accommodated in the housing, and a cooling device accommodated in the housing. The cooling device includes a heat sink to cool the first heat emitter, a first heat pipe which thermally connects the first heat emitter with the heat sink, a second heat pipe, and a fan unit which cools the heat sink and the second heat pipe. The second heat pipe has a first end portion which is thermally connected to the second heat emitter, and a second end portion which is located near the heat sink.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: May 4, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Koichiro Takeguchi, Tatsuya Kawawa
  • Publication number: 20080123298
    Abstract: According to one embodiment, an electronic apparatus has a housing, a first heat emitter and a second heat emitter which are accommodated in the housing, and a cooling device accommodated in the housing. The cooling device includes a heat sink to cool the first heat emitter, a first heat pipe which thermally connects the first heat emitter with the heat sink, a second heat pipe, and a fan unit which cools the heat sink and the second heat pipe. The second heat pipe has a first end portion which is thermally connected to the second heat emitter, and a second end portion which is located near the heat sink.
    Type: Application
    Filed: October 17, 2007
    Publication date: May 29, 2008
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Koichiro Takeguchi, Tatsuya Kawawa
  • Publication number: 20070239863
    Abstract: According to one embodiment, an information processing apparatus includes a first system which is adapted to operate under the control of an operating system, and second system which is adapted to operate independently of the first system. The second system makes a decision of whether to start the operating system or not at regular intervals while the operating system is stopped, and makes wireless communication with the external equipment to receive data therefrom through the use of a wireless communication device and displays received data on a display device as the operating system is stopped when the operating system is not to be started.
    Type: Application
    Filed: April 5, 2007
    Publication date: October 11, 2007
    Inventors: Tatsuya Aoyagi, Koichiro Takeguchi, Tatsuya Kawawa
  • Publication number: 20070083780
    Abstract: According to one embodiment, an information processing apparatus which includes a function of executing a predetermined task upon resuming from a power saving state at a predetermined timing, and changing to the power saving state after the task is completed, comprises an determination unit configured to determine whether the information processing apparatus satisfies a predetermined condition every predetermined timing of executing the predetermined task in the power saving state of the information processing apparatus, and a control unit configured to control to execute the predetermined task upon resuming the information processing apparatus from the power saving condition when the determination unit determines that the information processing apparatus satisfies the predetermined condition, and maintain the information processing apparatus in the power saving mode when the determination unit determines that the information processing apparatus does not satisfy the predetermined condition.
    Type: Application
    Filed: October 5, 2006
    Publication date: April 12, 2007
    Inventors: Tatsuya Aoyagi, Tatsuya Kawawa
  • Publication number: 20060210869
    Abstract: According to one embodiment, a battery unit comprises a plurality of cells and a case to contain the cells. The case includes a first part to contain at least one cell, a second part to contain at least one cell, and a third part to connect the first and second parts. At least a portion of the third part is made thinner than the first and second parts.
    Type: Application
    Filed: September 13, 2005
    Publication date: September 21, 2006
    Inventors: Koichiro Takeguchi, Tatsuya Kawawa
  • Patent number: 5931948
    Abstract: A portable computer system includes a keyboard for inputting at least a password, and a main CPU for controlling the system operation to perform a data processing. Particularly, the computer system further includes a password control section, holding one or more registered passwords as being unreadable by direct access from the main CPU, for allowing the main CPU to perform the data processing when a password identical to one of the registered passwords held therein is input by the keyboard.
    Type: Grant
    Filed: September 11, 1997
    Date of Patent: August 3, 1999
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Toshikazu Morisawa, Masayo Yamaki, Hiroyuki Tsukada, Tohru Mamata, Tatsuya Kawawa
  • Patent number: 5537544
    Abstract: A portable computer system includes a keyboard for inputting at least a password, and a main CPU for controlling the system operation to perform a data processing. Particularly, the computer system further includes a password control section, holding one or more registered passwords as being unreadable by direct access from the main CPU, for allowing the main CPU to perform the data processing when a password identical to one of the registered passwords held therein is input by the keyboard.
    Type: Grant
    Filed: August 16, 1993
    Date of Patent: July 16, 1996
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Toshikazu Morisawa, Masayo Yamaki, Hiroyuki Tsukada, Tohru Mamata, Tatsuya Kawawa