Patents by Inventor Toshiro TSURUMARU

Toshiro TSURUMARU 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: 11226488
    Abstract: Provided is a head-up display having excellent handling properties. This head-up display is provided with a display panel, a substrate including a light source which illuminates the display panel from a rear surface thereof, a heat sink which dissipates heat transferred from the substrate, and a case which accommodates the heat sink. The case includes an opening exposing at least a portion of the heat sink, and a protecting wall which has a larger amount of protrusion than the amount of protrusion of the heat sink protruding from the opening, and which protects the heat sink protruding from the opening.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: January 18, 2022
    Assignee: NIPPON SEIKI CO., LTD.
    Inventors: Wataru Saito, Bunkichi Kaneko, Masao Satoh, Tatsuya Hasegawa, Toshiro Tsurumaru, Yoshiyuki Iida
  • Publication number: 20210003881
    Abstract: A liquid crystal display device is provided with: a liquid crystal display panel; a hot mirror (transmissive panel) that is located ahead of the liquid crystal display panel and transmits light; packing that supports the periphery of the hot mirror; and a frame body that holds and secures the liquid crystal display panel and the packing. The frame body comprises a holder (first frame body) and a cover (second frame body) that are engaged and connected, a support portion penetrating the packing and located ahead of the liquid crystal display panel is provided in the holder, an elastic support portion facing the support portion and located behind the liquid display panel is provided in the cover, and the liquid crystal display panel is held and secured without being in contact with the packing while being sandwiched between the support portion and the elastic support portion.
    Type: Application
    Filed: April 19, 2019
    Publication date: January 7, 2021
    Inventors: Yoshiyuki IIDA, Bunkichi KANEKO, Masao SATOH, Hiroyuki FURUSAWA, Tatsuya HASEGAWA, Toshiro TSURUMARU, Wataru SAITO
  • Publication number: 20200379256
    Abstract: Provided is a head-up display having excellent handling properties. This head-up display is provided with a display panel, a substrate including a light source which illuminates the display panel from a rear surface thereof, a heat sink which dissipates heat transferred from the substrate, and a case which accommodates the heat sink. The case includes an opening exposing at least a portion of the heat sink, and a protecting wall which has a larger amount of protrusion than the amount of protrusion of the heat sink protruding from the opening, and which protects the heat sink protruding from the opening.
    Type: Application
    Filed: March 19, 2019
    Publication date: December 3, 2020
    Inventors: Wataru SAITO, Bunkichi KANEKO, Masao SATOH, Tatsuya HASEGAWA, Toshiro TSURUMARU, Yoshiyuki IIDA