Patents by Inventor Minoru Furuhata

Minoru Furuhata 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).

  • Casting method and casting mold
    Patent number: 7025114
    Abstract: A casting method and casting mold able produce a casting having an island and connecting portion is disclosed. A casting having a body, an opening provided so as to pass through the body, an island arranged separated from the body in the opening, and a connecting portion joining the island and body is cast using a casting mold. The casting mold is provided with a body gate connected to a body cavity for forming the body and an opening gate connected to an island/connecting portion cavity for forming the island and the connecting portion. The body gate and opening gate are connected to a runner through body pin gates and opening pin gates; in addition, a die casting mold able to suitably change between a three-part mold structure and a two-part mold structure to cast a die casting is disclosed. The three-part mold structure die casting mold, a movable mold, a first cavity, a connection sleeve, a first runner, a pin gate, and an extension sleeve.
    Type: Grant
    Filed: October 10, 2003
    Date of Patent: April 11, 2006
    Assignee: DENSO Corporation
    Inventors: Takeshi Nagasaka, Tomoyuki Hatano, Hiromi Takagi, Ikuo Ozawa, Yasushi Hibi, Minoru Furuhata, Koji Tsuboe, Isao Uenaka
  • Casting method and casting mold
    Publication number: 20050072550
    Abstract: A casting method and casting mold able to easily produce a casting having an island and connecting portion at a high quality. A casting (1) having a body (11), an opening (12) provided so as to pass through the body, an island (121) arranged separated from the body in the opening, and a connecting portion (22) joining the island and body is cast using a casting mold (2). The casting mold is provided with a body gate (311) connected to a body cavity for forming the body and an opening gate (321) connected to an island/connecting portion cavity (32) for forming the island and the connecting portion.
    Type: Application
    Filed: October 10, 2003
    Publication date: April 7, 2005
    Inventors: Takeshi Nagasaka, Tomoyuki Hatano, Hiromi Takagi, Ikuo Ozawa, Yasushi Hibi, Minoru Furuhata, Koji Tsuboe, Isao Uenaka
  • Casting method and casting mold
    Publication number: 20030041995
    Abstract: A casting method and casting mold able to easily produce a casting having an island and connecting portion at a high quality. A casting (1) having a body (11), a opening (12) provided so as to pass through the body, an island (121) arranged separated from the body in the opening, and a connecting portion (22) joining the island and body is cast using a casting mold (2). The casting mold is provided with a body gate (311) connected to a body cavity for forming the body and a opening gate (321) connected to an island/connecting portion cavity (32) for forming the island and the connecting portion. The body gate and opening gate are connected to a runner (33) through body pin gates (312) and opening pin gates (322).
    Type: Application
    Filed: July 3, 2002
    Publication date: March 6, 2003
    Inventors: Takeshi Nagasaka, Tomoyuki Hatano, Hiromi Takagi, Ikuo Ozawa, Yasushi Hibi, Minoru Furuhata, Koji Tsuboe