Patents by Inventor Yoshio Wakayama

Yoshio Wakayama 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).

  • Publication number: 20230258857
    Abstract: There is provided a light guide plate for image display includes: a first laminate (11) configured to be provided with a first resin base (1), a first anchor coat layer (2), and a first barrier layer (3) in this order; and a hologram layer (4), wherein the first barrier layer (3) is made of silicon oxynitride as a main component and a nitrogen element formulation, which is determined by X-ray photoelectron spectroscopy (XPS), in the first barrier layer (3) is greater than 0 atm % and 25 atm % or less.
    Type: Application
    Filed: March 24, 2023
    Publication date: August 17, 2023
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Shinichiro KANAI, Shuichi KUBO, Takayuki WATANABE, Yoshio WAKAYAMA
  • Publication number: 20210341877
    Abstract: Provided is a light guide plate for image display, whereby clear images can be displayed even when a resin base is used, wherein the light guide plate for image display (1004) has a first resin base (1001) and a hologram layer (1002), and wherein the first resin base (1001) has an MC value of 0.120 or less obtained by evaluation using shadow contrast.
    Type: Application
    Filed: July 12, 2021
    Publication date: November 4, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Katsuya FUNAYAMA, Tatsushi BABA, Masahiko ONO, Yoshio WAKAYAMA, Shuichi KUBO
  • Publication number: 20120234470
    Abstract: The present invention provides a laminate film for coating metal sheet for screen board comprising: a layer of which elastic modulus at 180° C.˜200° C. is 1.0×107 Pa or less and elastic modulus at 120° C.˜160° C. is 1.0×108 Pa or more, and a layer consisting of a fluorine resin thereon. The laminate film for coating metal sheet for screen board has excellent writing-and-drawing property, erasability, and anti-glare property; the laminate film can be economically manufactured by reducing the usage of fluorine resin; the laminate film also can be efficiently manufactured by reducing the steps for laminating with adhesive; and it can prevent the reversion of embossing of the film surface.
    Type: Application
    Filed: April 10, 2012
    Publication date: September 20, 2012
    Applicant: Mitsubishi Plastics, Inc.
    Inventors: Yoshihiko NISHIO, Yoshio WAKAYAMA, Toshiaki EBITANI
  • Publication number: 20090233089
    Abstract: The present invention provides a laminate film for coating metal sheet for screen board comprising: a layer of which elastic modulus at 180° C.˜200° C. is 1.0×107 Pa or less and elastic modulus at 120° C.˜160° C. is 1.0×108 Pa or more, and a layer consisting of a fluorine resin thereon. The laminate film for coating metal sheet for screen board has excellent writing-and-drawing property, erasability, and anti-glare property; the laminate film can be economically manufactured by reducing the usage of fluorine resin; the laminate film also can be efficiently manufactured by reducing the steps for laminating with adhesive; and it can prevent the reversion of embossing of the film surface.
    Type: Application
    Filed: November 16, 2006
    Publication date: September 17, 2009
    Applicant: MITSUBISHI PLASTICS, INC.
    Inventors: Yoshihiko Nishio, Yoshio Wakayama, Toshiaki Ebitani
  • Patent number: 6811893
    Abstract: A thermoplastic resin-coated aluminum plate is provided which is less liable to develop ply separation or cracks in a resin coating film during drawing or ironing and on which the resin coating film is less likely to peel off the aluminum plate. A semi-non-porous anodized film is formed on at least one side of the aluminum plate, a coating layer is formed on the semi-non-porous anodized film, and a thermoplastic resin coating film is formed on the coating layer.
    Type: Grant
    Filed: May 13, 2003
    Date of Patent: November 2, 2004
    Assignees: Mitsubishi Plastics, Inc., Mitsubishi Aluminum Co., Ltd.
    Inventors: Yoshio Wakayama, Keitaro Yamaguchi, Nobuhiro Sakata
  • Publication number: 20030180555
    Abstract: A thermoplastic resin-coated aluminum plate is provided which is less liable to develop ply separation or cracks in a resin coating film during drawing or ironing and on which the resin coating film is less likely to peel off the aluminum plate. A semi-non-porous anodized film is formed on at least one side of the aluminum plate, a coating layer is formed on the semi-non-porous anodized film, and a thermoplastic resin coating film is formed on the coating layer.
    Type: Application
    Filed: May 13, 2003
    Publication date: September 25, 2003
    Inventors: Yoshio Wakayama, Keitaro Yamaguchi, Nobuhiro Sakata