Patents by Inventor Genji Kosaka

Genji Kosaka 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: 6742220
    Abstract: A nozzle unit for an electric vacuum cleaner has a body case with a nozzle open toward a surface to be cleaned, a first pipe coupled to the body case so as to be rotatable in the direction, and a second pipe coupled to the first pipe so as to be rotatable in the direction. A first and a second air flow passage, formed inside the first and second pipes respectively, are arranged substantially in a straight line as seen in a side view. The first pipe has a sliding portion that has an arc-shaped cross section and that slides along the inner surface of the body case, and this sliding portion is arranged inside the body case, which is substantially rectangular, as seen in a plan view.
    Type: Grant
    Filed: October 2, 2001
    Date of Patent: June 1, 2004
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kiyomu Nagai, Genji Kosaka, Nobuharu Hikida, Mikio Yagi, Shigenori Hato, Taichi Tamura, Teruhisa Inoue, Kei Ohta, Masaru Shindou
  • Publication number: 20030163891
    Abstract: A nozzle unit for an electric vacuum cleaner has a body case 32 with a nozzle 34a open toward a surface to be cleaned, a first pipe 35 coupled to the body case 32 so as to be rotatable in the direction J1, and a second pipe 36 coupled to the first pipe 35 so as to be rotatable in the direction J2. A first and a second air flow passage, formed inside the first and second pipes 35 and 36 respectively, are arranged substantially in a straight line as seen in a side view. The first pipe 35 has a sliding portion 35a that has an arc-shaped cross section and that slides along the inner surface of the body case 32, and this sliding portion 35a is arranged inside the body case 32, which is substantially rectangular, as seen in a plan view.
    Type: Application
    Filed: October 2, 2001
    Publication date: September 4, 2003
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Kiyomu Nagai, Genji Kosaka, Nobuharu Hikida, Mikio Yagi, Shigenori Hato, Taichi Tamura, Teruhisa Inoue, Kei Ohta, Masaru Shindou
  • Publication number: 20020042969
    Abstract: A nozzle unit for an electric vacuum cleaner has a body case 32 with a nozzle 34a open toward a surface to be cleaned, a first pipe 35 coupled to the body case 32 so as to be rotatable in the direction J1, and a second pipe 36 coupled to the first pipe 35 so as to be rotatable in the direction J2. A first and a second air flow passage, formed inside the first and second pipes 35 and 36 respectively, are arranged substantially in a straight line as seen in a side view. The first pipe 35 has a sliding portion 35a that has an arc-shaped cross section and that slides along the inner surface of the body case 32, and this sliding portion 35a is arranged inside the body case 32, which is substantially rectangular, as seen in a plan view.
    Type: Application
    Filed: October 2, 2001
    Publication date: April 18, 2002
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Kiyomu Nagai, Genji Kosaka, Nobuharu Hikida, Mikio Yagi, Shigenori Hato, Taichi Tamura, Teruhisa Inoue, Kei Ohta, Masaru Shindou
  • Patent number: 6345408
    Abstract: A nozzle unit for an electric vacuum cleaner has a body case 32 with a nozzle 34a open toward a surface to be cleaned, a first pipe 35 coupled to the body case 32 so as to be rotatable in the direction J1, and a second pipe 36 coupled to the first pipe 35 so as to be rotatable in the direction J2. A first and a second air flow passage, formed inside the first and second pipes 35 and 36 respectively, are arranged substantially in a straight line as seen in a side view. The first pipe 35 has a sliding portion 35a that has an arc-shaped cross section and that slides along the inner surface of the body case 32, and this sliding portion 35a is arranged inside the body case 32, which is substantially rectangular, as seen in a plan view.
    Type: Grant
    Filed: July 20, 1999
    Date of Patent: February 12, 2002
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kiyomu Nagai, Genji Kosaka, Nobuharu Hikida, Mikio Yagi, Shigenori Hato, Taichi Tamura, Teruhisa Inoue, Kei Ohta, Masaru Shindou
  • Patent number: 4977306
    Abstract: A hair dryer including an intake port and a blow-off port with a heating mechanism provided adjacent the intake port and inboard of the cylinder head. A pair of adjustable shutter members pivotally mounted adjacent the blow off port to concentrate the air at a central portion of the cylinder head cross-sectional area. The shutters are of a non-permeable structure and are capable of blocking the entire air flow.
    Type: Grant
    Filed: October 18, 1989
    Date of Patent: December 11, 1990
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Genji Kosaka, Keiko Matoba
  • Patent number: 4904847
    Abstract: A hair dryer includes a hair dryer body and a stand for supporting the body, wherein the hair dryer body has a body head having a heater and a blast fan driven by a motor disposed from an intake port toward a blow-off port side, incorporating a collecting mechanism on the blow-off port, and a handle capable of supporting the body head foldably and provided with a switch for changing operations of the motor and the heater. The stand includes a handle containing cylinder capable of storing the detached handle and is provided with a height adjusting mechanism capable of adjusting a height of the handle, and a storage area formed integrally with the handle containing cylinder is provided with an interior storage space.
    Type: Grant
    Filed: August 5, 1988
    Date of Patent: February 27, 1990
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Genji Kosaka, Keiko Matoba