Patents by Inventor Kunihiko Ichikawa

Kunihiko Ichikawa 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: 5575851
    Abstract: Disclosed herein is a die coater comprising a die composed of upper and lower mold-pieces which form a manifold and a slit extending from the manifold, an inner deckle shaft disposed in the manifold, a deckle disposed in the slit in a fluid-tight state, and a deckle guide; the inner deckle shaft having a fluid-tight portion near an end thereof and capable of moving with its fluid-tight state kept, the deckle and the deckle guide being secured to the inner deckle shaft, and the deckle being connected with the fluid-tight portion of the inner deckle shaft.
    Type: Grant
    Filed: October 27, 1993
    Date of Patent: November 19, 1996
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Tetsuo Abe, Hitoshi Hatashima, Kunihiko Ichikawa, Takefumi Yoshikawa
  • Patent number: 5399196
    Abstract: A die coater comprising a die composed of upper and lower mold-pieces which form a manifold and a slit extending from the manifold, a first paint supply pipe communicating with one end portion of the manifold, a second paint supply pipe communicating with another end portion of the manifold and a flow channel closing member disposed in the manifold in a fluid sealing state, the member being movable along the manifold.
    Type: Grant
    Filed: July 29, 1993
    Date of Patent: March 21, 1995
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Kunihiko Ichikawa, Takefumi Yoshikawa
  • Patent number: 4994130
    Abstract: A method for continuously producing a composite laminate comprising a thermoplastic synthetic resin sheet and an aluminum sheet laminated on each side of the resin sheet, wherein(1) as the thermoplastic resin sheet, a solid sheet is used,(2) as the aluminum sheet, an aluminum sheet having a thermoplastic adhesive layer provided on its surface is used,(3) two such aluminum sheets with the respective adhesive layers facing to each other, with the thermoplastic synthetic resin sheet interposed therebetween, are fed to hot press bonding rollers, and(4) when they are fed to the hot press bonding rollers, (a) a tension of at least 2 kg/mm.sup.2 is exerted to each aluminum sheet, and (b) the thermoplastic adhesive layer provided on the surface of each aluminum sheet is maintained to be in a molten state.
    Type: Grant
    Filed: August 17, 1989
    Date of Patent: February 19, 1991
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Kunihiko Ichikawa, Kiyoshi Mishima, Kunio Tsukagoshi, Isao Hayatsu, Toshiharu Yamazaki