Patents by Inventor Katsuzi Sakuma

Katsuzi Sakuma 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: 6971694
    Abstract: A bumper apparatus for a vehicle includes a bumper reinforcement extending in a vehicle width direction and a bumper stay fastened to one side of the bumper reinforcement and including a body extending in a front-rear direction of a vehicle and a first plate fastened to one end of the body. The first plate includes a contacting surface portion provided along the bumper reinforcement, a slanting surface portion branching from the bumper reinforcement, a first flange portion extending outside the body of the bumper stay, and second flange portions provided at both side ends of the first plate contacting with side surfaces of the body of the bumper stay.
    Type: Grant
    Filed: March 25, 2005
    Date of Patent: December 6, 2005
    Assignees: Aisin Seiki Kabushiki Kaisha, Aisin Keikinzoku Kabushiki Kaisha
    Inventors: Katsuzi Sakuma, Shinichi Haneda, Kazunari Azuchi, Kiyoichi Kita, Gen Nishida
  • Publication number: 20050212312
    Abstract: A bumper apparatus for a vehicle includes a bumper reinforcement extending in a vehicle width direction and a bumper stay fastened to one side of the bumper reinforcement and including a body extending in a front-rear direction of a vehicle and a first plate fastened to one end of the body. The first plate includes a contacting surface portion provided along the bumper reinforcement, a slanting surface portion branching from the bumper reinforcement, a first flange portion extending outside the body of the bumper stay, and second flange portions provided at both side ends of the first plate contacting with side surfaces of the body of the bumper stay.
    Type: Application
    Filed: March 25, 2005
    Publication date: September 29, 2005
    Inventors: Katsuzi Sakuma, Shinichi Haneda, Kazunari Azuchi, Kiyoichi Kita, Gen Nishida
  • Patent number: 6209934
    Abstract: To promote a function of absorbing impact energy produced by deforming a reinforcement member, at bond portions of a reinforcement member (10) intersecting with a front and a rear wall portion (11, 12) and an upper and a lower wall portion (13, 14), there are provided circular arc faces on outer sides of the bond portions having radii of curvature R1 are larger than radii of curvature R2 of circular arc faces on inner sides thereof.
    Type: Grant
    Filed: April 25, 2000
    Date of Patent: April 3, 2001
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Katsuzi Sakuma, Tsuyoshi Kamiya, Shinichi Haneda, Kazunari Azuchi, Toshiyuki Inagaki, Taku Matsutani, Kazunobu Nuno
  • Patent number: 6016630
    Abstract: A door frame for a vehicle includes a first supporting portion having a recess, a second supporting portion having an recess which is arranged opposite to the recess of the first supporting portion and a decorative portion having a gradually tapered edge so as to change a width of the decorative portion, the decorative portion extending parallel to the recesses. The first supporting portion, the second supporting portion and the decorative portion are formed in one piece from one sheet.
    Type: Grant
    Filed: October 29, 1997
    Date of Patent: January 25, 2000
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Shinya Takeda, Masaru Hoshina, Katsuzi Sakuma
  • Patent number: 5992021
    Abstract: A door frame for a vehicle includes a main member formed by one sheet and having a first supporting portion with an opening, a second supporting portion which has an opening oppositely arranged to the opening of the first supporting portion, a decorative portion which has a sloped edge portion that changes the width of the decorative portion, and a submember formed by one sheet and fixed to the main member so as to form an enclosed space between the main member and the submember. The cross-sectional area of the enclosed space gradually changes along the longitudinal direction of the door frame.
    Type: Grant
    Filed: February 12, 1997
    Date of Patent: November 30, 1999
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Shinya Takeda, Hirotake Nakao, Katsuzi Sakuma, Masaru Hoshina, Atuo Torii, Aiichiro Yokota, Koujirou Kubota
  • Patent number: 5983571
    Abstract: A door frame for a vehicle includes a first supporting portion having a recess, a second supporting portion having an recess which is arranged opposite to the recess of the first supporting portion and a decorative portion having a gradually tapered edge so as to change a width of the decorative portion, the decorative portion extending parallel to the recesses. The first supporting portion, the second supporting portion and the decorative portion are formed in one piece from one sheet.
    Type: Grant
    Filed: July 25, 1996
    Date of Patent: November 16, 1999
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Shinya Takeda, Masaru Hoshina, Katsuzi Sakuma
  • Patent number: 5345717
    Abstract: A window construction for vehicle includes a sash frame rectangular in shape for receiving glass panes in a window opening thereof, and a seal member secured to the sash frame and adapted to be mounted on a vehicle's body. The sash frame has a projection extending outwardly from the outer surface thereof, and the seal member has a recess or groove in which the projection is fitted. The seal member has one hook for gripping the edge of the inside wall of the sash frame and one abutment portion for abutment engagement with the edge of the outside wall of the sash frame.
    Type: Grant
    Filed: August 27, 1993
    Date of Patent: September 13, 1994
    Assignees: Aisin Seiki Kabushiki Kaisha, Aisin Keikinzoku Kabushiki Kaisha
    Inventors: Akiyoshi Mori, Katsuzi Sakuma, Joichi Bansho