Patents by Inventor Keizo Kawakami

Keizo Kawakami 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).

  • Patent number: 11150689
    Abstract: An image display device includes a device body having a front surface with a display surface that is substantially rectangular and is for displaying an image; a stand that is placed on a placement surface and supports the device body; a support component that is fixed to the stand, is disposed on a rear surface of the device body, and rotatably supports the device body about a rotation shaft between a horizontal orientation in which the display surface is in a landscape orientation and a vertical orientation in which the display surface is in a portrait orientation; and a speaker that is supported by the support component and is disposed on the rear surface of the device body via the support component. The speaker emits sound toward the placement surface.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: October 19, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Satoshi Kawaguchi, Keizo Kawakami, Akira Taniguchi, Shuji Yamashita
  • Publication number: 20200409410
    Abstract: An image display device includes a device body having a front surface with a display surface that is substantially rectangular and is for displaying an image; a stand that is placed on a placement surface and supports the device body; a support component that is fixed to the stand, is disposed on a rear surface of the device body, and rotatably supports the device body about a rotation shaft between a horizontal orientation in which the display surface is in a landscape orientation and a vertical orientation in which the display surface is in a portrait orientation; and a speaker that is supported by the support component and is disposed on the rear surface of the device body via the support component. The speaker emits sound toward the placement surface.
    Type: Application
    Filed: February 8, 2019
    Publication date: December 31, 2020
    Inventors: Satoshi KAWAGUCHI, Keizo KAWAKAMI, Akira TANIGUCHI, Shuji YAMASHITA
  • Patent number: 9075169
    Abstract: A brightness distribution of light emitted from one specific light source and outputted from the light outputting part of a light-guide part has a characteristic of having a mountain-shaped distribution increasing from a position of the specific light source, then reaching a maximum value, and then decreasing with distance from a specific light source, and a light source adjacent to the specific light source is disposed at a position where a brightness distribution decreases from the maximum value of the brightness distribution.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: July 7, 2015
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Keizo Kawakami, Ken Miura, Suguru Nakao, Ichiro Okuda, Shuji Yamashita
  • Publication number: 20140063851
    Abstract: A brightness distribution of light emitted from one specific light source and outputted from the light outputting part of a light-guide part has a characteristic of having a mountain-shaped distribution increasing from a position of the specific light source, then reaching a maximum value, and then decreasing with distance from a specific light source, and a light source adjacent to the specific light source is disposed at a position where a brightness distribution decreases from the maximum value of the brightness distribution.
    Type: Application
    Filed: August 20, 2013
    Publication date: March 6, 2014
    Applicant: PANASONIC CORPORATION
    Inventors: Keizo KAWAKAMI, Ken MIURA, Suguru NAKAO, Ichiro OKUDA, Shuji YAMASHITA
  • Patent number: 8325471
    Abstract: The present invention provides a display device that prevents damage on a display panel even when the display device drops or falls down during handling. The display device includes: a PDP (10) including a front panel (20) and a back panel (30) that have peripheral portions joined to each other by a sealing material (36); a chassis member (44) supporting the PDP (10); and a housing enclosing the PDP (10) and the chassis member (44). The housing includes a front housing portion (41) provided with an opening (54), a side housing portion (51), and a back housing portion (42). The back housing portion (42) is provided with a drawn portion (62), and a top part of the drawn portion (62) is coupled to the chassis member (44) by a fixing member.
    Type: Grant
    Filed: October 24, 2008
    Date of Patent: December 4, 2012
    Assignee: Panasonic Corporation
    Inventors: Yasuo Yokota, Kiyotaka Nakase, Keizo Kawakami
  • Publication number: 20100246111
    Abstract: The present invention provides a display device that prevents damage on a display panel even when the display device drops or falls down during handling. The display device includes: a PDP (10) including a front panel (20) and a back panel (30) that have peripheral portions joined to each other by a sealing material (36); a chassis member (44) supporting the PDP (10); and a housing enclosing the PDP (10) and the chassis member (44). The housing includes a front housing portion (41) provided with an opening (54), a side housing portion (51), and a back housing portion (42). The back housing portion (42) is provided with a drawn portion (62), and a top part of the drawn portion (62) is coupled to the chassis member (44) by a fixing member.
    Type: Application
    Filed: October 24, 2008
    Publication date: September 30, 2010
    Applicant: PANASONIC CORPORATION
    Inventors: Yasuo Yokota, Kiyotaka Nakase, Keizo Kawakami