Patents by Inventor Kazuhiko Watarai

Kazuhiko Watarai 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: 6809773
    Abstract: An electronic camera includes a camera main body and a lens barrel arranged on the front face of the camera main body to extend forward therefrom, and to hold an image-pickup lens therein. A U-shaped protruding cover is attached to the lens barrel to extend downward therefrom. The bottoms of the camera main body and the protruding cover are level with each other. First and second windows are arranged on the front face of the protruding cover. A lamp for emitting an auto-focus assist light is arranged in the protruding cover to face the first window. A sensor for receiving a light signal from a remote control is arranged in the protruding cover to face the second window.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: October 26, 2004
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Kazuhiko Watarai, Koh Yokokawa, Kaoru Kaneko
  • Patent number: 5623712
    Abstract: The present invention provides a camera comprising an opening that is located in a camera body and defines a film screen, a lens barrel located in front of the opening and extended forward of the camera body, a projection located behind the opening, a grip that ls formed on one side surface of the projection, whose back end lies ahead of the back end of the projection, and that is held with the fingers of a photographer's hand during photography, and a recess that is formed on the outer circumference of the outer wall of the lens barrel, located in an area substantially opposed to the grip, and dented toward the inner circumference of the lens barrel.
    Type: Grant
    Filed: March 28, 1995
    Date of Patent: April 22, 1997
    Assignee: Olympus Optical Co. Ltd.
    Inventors: Hiroki Onda, Kazuhiko Watarai, Mutsumi Naruse
  • Patent number: D516596
    Type: Grant
    Filed: July 28, 2004
    Date of Patent: March 7, 2006
    Assignee: Olympus Corporation
    Inventor: Kazuhiko Watarai
  • Patent number: D538831
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: March 20, 2007
    Assignee: Olympus Imaging Corp.
    Inventor: Kazuhiko Watarai
  • Patent number: D284197
    Type: Grant
    Filed: January 9, 1984
    Date of Patent: June 10, 1986
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Kazuo Yamamoto, Kazuhiko Watarai, Michio Imada
  • Patent number: D485288
    Type: Grant
    Filed: January 23, 2003
    Date of Patent: January 13, 2004
    Assignee: Olympus Corporation
    Inventor: Kazuhiko Watarai
  • Patent number: D388110
    Type: Grant
    Filed: November 12, 1996
    Date of Patent: December 23, 1997
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Kazuhiko Watarai, Satoru Tanio
  • Patent number: D425095
    Type: Grant
    Filed: August 5, 1999
    Date of Patent: May 16, 2000
    Assignee: Olympus Optical Co., Ltd
    Inventors: Kazuhiko Watarai, Gisuke Ota