Patents by Inventor Yoshiyuki Kakisaka

Yoshiyuki Kakisaka 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).

  • Optical device, projector, and method of manufacturing optical device
    Patent number: 9348199
    Abstract: An optical device includes a plurality of light modulators modulating a plurality of incident color lights with respect to each color light, a light combining optical unit having a plurality of light incident surfaces that the plurality of modulated color lights respectively enter, and combining the plurality of entering color lights, a holding part holding the light modulator, and a supporting part loosely fitting and supporting the holding part, and disposed in a location facing the light incident surface of the light combining optical unit, wherein the supporting part has an extending part extending in a direction away from the light incident surface, and a locking part having a first slope is provided in an end part in an extension direction of the extending part.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: May 24, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Masato Kadotani, Fumihide Sasaki, Yoshiyuki Kakisaka
  • OPTICAL DEVICE, PROJECTOR, AND METHOD OF MANUFACTURING OPTICAL DEVICE
    Publication number: 20140036237
    Abstract: An optical device includes a plurality of light modulators modulating a plurality of incident color lights with respect to each color light, a light combining optical unit having a plurality of light incident surfaces that the plurality of modulated color lights respectively enter, and combining the plurality of entering color lights, a holding part holding the light modulator, and a supporting part loosely fitting and supporting the holding part, and disposed in a location facing the light incident surface of the light combining optical unit, wherein the supporting part has an extending part extending in a direction away from the light incident surface, and a locking part having a first slope is provided in an end part in an extension direction of the extending part.
    Type: Application
    Filed: July 31, 2013
    Publication date: February 6, 2014
    Applicant: Seiko Epson Corporation
    Inventors: Masato Kadotani, Fumihide Sasaki, Yoshiyuki Kakisaka