Patents by Inventor Takayuki Hikotani

Takayuki Hikotani 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).

  • Heat sink, method for manufacturing same, and pressing jig
    Patent number: 6758262
    Abstract: There is provided a heat sink comprising a base plate provided with a plurality grooves and concave portions, each of which has a substantially trapezoidal cross section having a flat bottom face and inclined side faces and is formed into a tapered shape, formed between the adjacent grooves by plastic deformation; and a plurality of thin-sheet fins which are inserted in the grooves and are crimped from both sides by the inclined side faces formed by the plastic deformation of the concave portion.
    Type: Grant
    Filed: October 17, 2001
    Date of Patent: July 6, 2004
    Assignee: The Furukawa Electric Co., Ltd.
    Inventors: Kenya Kawabata, Mikio Kuwahara, Izumi Nakajima, Takeshi Hyotani, Takashi Mori, Hajime Noda, Takayuki Hikotani
  • Heat sink, method for manufacturing same, and pressing jig
    Publication number: 20020070005
    Abstract: There is provided a heat sink comprising a base plate provided with a plurality grooves and concave portions, each of which has a substantially trapezoidal cross section having a flat bottom face and inclined side faces and is formed into a tapered shape, formed between the adjacent grooves by plastic deformation; and a plurality of thin-sheet fins which are inserted in the grooves and are crimped from both sides by the inclined side faces formed by the plastic deformation of the concave portion.
    Type: Application
    Filed: October 17, 2001
    Publication date: June 13, 2002
    Inventors: Kenya Kawabata, Mikio Kuwahara, Izumi Nakajima, Takeshi Hyotani, Takashi Mori, Hajime Noda, Takayuki Hikotani