Patents by Inventor Yasuto SHIROI

Yasuto SHIROI 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).

  • Phosphor wheel device, light source device, and projection image display device
    Patent number: 11513336
    Abstract: A phosphor wheel device includes a motor having a rotation shaft, a phosphor wheel substrate attached to one end side of the rotation shaft, and a balancer fixed to the phosphor wheel substrate. The balancer has at least one opening that is open to an outside of the phosphor wheel device.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: November 29, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yusaku Nishikawa, Taiki Bessho, Yasuto Shiroi, Shigekazu Yamagishi, Takashi Ikeda
  • PHOSPHOR WHEEL DEVICE, LIGHT SOURCE DEVICE, AND PROJECTION IMAGE DISPLAY DEVICE
    Publication number: 20210157126
    Abstract: A phosphor wheel device includes a motor having a rotation shaft, a phosphor wheel substrate attached to one end side of the rotation shaft, and a first balancer fixed to the phosphor wheel substrate. The first balancer has at least one opening that is opened to an outside of the phosphor wheel device.
    Type: Application
    Filed: November 25, 2020
    Publication date: May 27, 2021
    Inventors: Yusaku NISHIKAWA, Taiki BESSHO, Yasuto SHIROI, Shigekazu YAMAGISHI, Takashi IKEDA