Patents by Inventor Akitoshi Morishima

Akitoshi Morishima 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: 8323758
    Abstract: A design cover attachment structure is provided configured to facilitate an attachment/removal of a design cover composed of a plurality of decorative plates. At least a top surface and each of side surfaces of a casing of an electronic apparatus are covered with a design cover composed of a top surface decorative plate, and left and right side surface decorative plates. The left and right side surface decorative plates are provided with second engagement portions configured to be engaged with first engagement portions provided to a bottom surface decorative plate mounted on the casing or a bottom surface of the casing, so that the left and right side surface decorative plates are mounted on the casing. Third engagement portions configured to be engaged with fourth engagement portions provided to the top surface decorative plate, so that the top surface decorative plate is mounted on the left and right side surface decorative plates.
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: December 4, 2012
    Assignee: Hitachi, Ltd.
    Inventors: Yuji Kishi, Ken Tsukamoto, Yoshinori Horikawa, Shinji Nishi, Kazuma Kishi, Akitoshi Morishima
  • Patent number: 8159629
    Abstract: There is provided a slim liquid crystal display unit having a large screen by providing a slim structure capable of sufficiently radiating the heat from a light source. The liquid crystal display unit according to the present invention includes: a liquid crystal panel; an optical guiding board installed on a rear face thereof; a pair of light source-mounted substrate disposed, opposing right and left side faces thereof; a light source mounted on the light source-mounted substrate; a metal frame connected on the opposite side to the optical guiding board of the light source-mounted substrate; a chassis member for supporting the optical guiding board and a reflection sheet group; and a thermal diffusion member fixed onto the metal frame along with the chassis member. The chassis member has a stepped portion in the vicinity of the light source. Between the stepped portion and the reflection sheet group, a thermal insulation member is attached.
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: April 17, 2012
    Assignee: Hitachi, Ltd.
    Inventors: Yoshiharu Yamashita, Akitoshi Morishima, Katsunari Sato, Noriyo Nishijima, Shigeo Ohashi, Takeshi Miitsu, Hiroyoshi Ogura, Hiroki Hosono, Koichi Sato
  • Publication number: 20100066937
    Abstract: There is provided a slim liquid crystal display unit having a large screen by providing a slim structure capable of sufficiently radiating the heat from a light source. The liquid crystal display unit according to the present invention includes: a liquid crystal panel; an optical guiding board installed on a rear face thereof; a pair of light source-mounted substrate disposed, opposing right and left side faces thereof; a light source mounted on the light source-mounted substrate; a metal frame connected on the opposite side to the optical guiding board of the light source-mounted substrate; a chassis member for supporting the optical guiding board and a reflection sheet group; and a thermal diffusion member fixed onto the metal frame along with the chassis member. The chassis member has a stepped portion in the vicinity of the light source. Between the stepped portion and the reflection sheet group, a thermal insulation member is attached.
    Type: Application
    Filed: May 28, 2009
    Publication date: March 18, 2010
    Applicant: Hitachi, Ltd.
    Inventors: Yoshiharu Yamashita, Akitoshi Morishima, Katsunari Sato, Noriyo Nishijima, Shigeo Ohashi, Takeshi Miitsu, Hiroyoshi Ogura, Hiroki Hosono, Koichi Sato
  • Publication number: 20090148638
    Abstract: A design cover attachment structure is provided capable of facilitating attachment/removal of a design cover composed of a plurality of decorative plates. At least a top surface and both side surfaces of a generally box-like casing of an electronic apparatus are covered with a design cover composed of a top surface decorative plate, a left side surface decorative plate, and a right side surface decorative plate. The left side surface decorative plate and the right side surface decorative plate are provided with second engagement portions configured to be engaged with first engagement portions provided to a bottom surface decorative plate mounted on the casing or a bottom surface of the casing and third engagement portions configured to be engaged with fourth engagement portions provided to the top surface decorative plate.
    Type: Application
    Filed: December 4, 2008
    Publication date: June 11, 2009
    Inventors: Yuji Kishi, Ken Tsukamoto, Yoshinori Horikawa, Shinji Nishi, Kazuma Kishi, Akitoshi Morishima