Patents by Inventor Chifuyu Tanaka

Chifuyu Tanaka 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: 5729291
    Abstract: A photographic optical system and a viewfinder are disposed above a recorder casing for recording a signal obtained by photography. The photographic optical system and the viewfinder are disposed so as not to overlap each other in a direction parallel to an optical axis of the photographic optical system and so that an optical path of the photographic optical system and an optical path of the viewfinder overlap each other as viewed on an extended line of the optical axis of the photographic optical system. In addition, the photographic optical system is disposed above the recorder casing, and the recorder casing is arranged to eject downward a recording medium for recording of a signal obtained by photography. A grip is disposed on one side of the aforesaid recorder casing, and an operating part for driving a mechanism for varying the magnification of the photographic optical system is provided at the rear of the photographic optical system.
    Type: Grant
    Filed: October 18, 1994
    Date of Patent: March 17, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Chifuyu Tanaka, Kenichi Nagasawa, Takeshi Abe
  • Patent number: 5515174
    Abstract: A camera-integrated type video recorder apparatus having a camera part and a recorder part which records an image pickup signal outputted from the camera part comprises a grip which is provided for holding the apparatus in a shooting state and is arranged near to a cassette mounting part which is provided for mounting and demounting a tape cassette on and from the recorder part, and an operation part which is openably and closably arranged near to the cassette mounting part and includes a plurality of operation keys for operations on the apparatus. When the apparatus is held in the shooting state, the grip and the operation part jointly close the cassette mounting part. When the grip and the operation part are in an open state, the tape cassette is mountable and demountable while the operation part is held in a predetermined operating position. Further, while the apparatus is in the shooting state, the operation keys are kept in an inoperable position.
    Type: Grant
    Filed: June 16, 1994
    Date of Patent: May 7, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Abe, Chifuyu Tanaka, Kenichi Nagasawa
  • Patent number: 5347307
    Abstract: A camcorder having a battery compartment below the lens optical axis includes optical lenses for receiving light from an object. A housing is provided for housing the optical lenses. A battery load section capable of mounting a battery for supplying power to the housing is disposed at a bottom of the housing. The battery load section is capable of supporting different kinds of batteries of different sizes.
    Type: Grant
    Filed: April 27, 1993
    Date of Patent: September 13, 1994
    Assignee: Canon Kabushiki Kaisha
    Inventors: Chifuyu Tanaka, Koji Takahashi
  • Patent number: D479726
    Type: Grant
    Filed: October 11, 2002
    Date of Patent: September 16, 2003
    Assignee: Canon Kabushiki Kaisha
    Inventor: Chifuyu Tanaka
  • Patent number: D479728
    Type: Grant
    Filed: October 11, 2002
    Date of Patent: September 16, 2003
    Assignee: Canon Kabushiki Kaisha
    Inventor: Chifuyu Tanaka
  • Patent number: D316420
    Type: Grant
    Filed: June 16, 1989
    Date of Patent: April 23, 1991
    Assignee: Canon Kabushiki Kaisha
    Inventor: Chifuyu Tanaka
  • Patent number: D331935
    Type: Grant
    Filed: December 24, 1990
    Date of Patent: December 22, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventor: Chifuyu Tanaka
  • Patent number: D337340
    Type: Grant
    Filed: October 18, 1991
    Date of Patent: July 13, 1993
    Assignee: Canon Kabushiki Kaisha
    Inventor: Chifuyu Tanaka
  • Patent number: D368922
    Type: Grant
    Filed: October 5, 1994
    Date of Patent: April 16, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventor: Chifuyu Tanaka
  • Patent number: D376378
    Type: Grant
    Filed: August 22, 1995
    Date of Patent: December 10, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventor: Chifuyu Tanaka
  • Patent number: D377941
    Type: Grant
    Filed: January 19, 1996
    Date of Patent: February 11, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventor: Chifuyu Tanaka
  • Patent number: D388106
    Type: Grant
    Filed: December 11, 1996
    Date of Patent: December 23, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventor: Chifuyu Tanaka
  • Patent number: D416031
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: November 2, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventor: Chifuyu Tanaka
  • Patent number: D426843
    Type: Grant
    Filed: July 9, 1999
    Date of Patent: June 20, 2000
    Assignee: Canon Kabushiki Kaisha
    Inventor: Chifuyu Tanaka
  • Patent number: D429746
    Type: Grant
    Filed: July 9, 1999
    Date of Patent: August 22, 2000
    Assignee: Canon Kabushiki Kaisha
    Inventor: Chifuyu Tanaka
  • Patent number: D429747
    Type: Grant
    Filed: July 9, 1999
    Date of Patent: August 22, 2000
    Assignee: Canon Kabushiki Kaisha
    Inventor: Chifuyu Tanaka