Patents by Inventor Toshihiro Hieda

Toshihiro Hieda 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 having reflecting member attached to housing and projector having optical device
    Patent number: 8267529
    Abstract: An optical device includes: a housing; and a reflection member disposed at a predetermined position within the housing, the housing includes a receiving opening through which the reflection member is inserted to be accommodated in the housing, and an attachment unit to which the reflection member is attached, the reflection member includes a front portion which has a reflection area for reflecting supplied light, a back portion positioned on the side opposite to the front portion, and a fixing unit positioned within the surface of the back portion and fixed to the attachment unit, and the fixing unit has an opening into which a position control jig inserted in an attachment direction of attaching the reflection member to the attachment unit through the receiving opening is inserted.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: September 18, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Shohei Fujisawa, Hidetoshi Hashizume, Toshihiro Hieda, Kazuyuki Iinuma
  • OPTICAL DEVICE AND PROJECTOR
    Publication number: 20100208218
    Abstract: An optical device includes: a housing; and a reflection member disposed at a predetermined position within the housing, the housing includes a receiving opening through which the reflection member is inserted to be accommodated in the housing, and an attachment unit to which the reflection member is attached, the reflection member includes a front portion which has a reflection area for reflecting supplied light, a back portion positioned on the side opposite to the front portion, and a fixing unit positioned within the surface of the back portion and fixed to the attachment unit, and the fixing unit has an opening into which a position control jig inserted in an attachment direction of attaching the reflection member to the attachment unit through the receiving opening is inserted.
    Type: Application
    Filed: February 16, 2010
    Publication date: August 19, 2010
    Applicant: Seiko Epson Corporation
    Inventors: Shohei FUJISAWA, Hidetoshi HASHIZUME, Toshihiro HIEDA, Kazuyuki IINUMA
  • Lamp for projector
    Patent number: D589997
    Type: Grant
    Filed: May 13, 2008
    Date of Patent: April 7, 2009
    Assignee: Seiko Epson Corporation
    Inventors: Toshihiro Hieda, Toshio Matsumiya