Patents by Inventor Syuzi Isoi

Syuzi Isoi 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).

  • Molded article of methacrylic resin
    Patent number: 5006415
    Abstract: A molded article of methacrylic resin formed of a cross-linked polymer having at least part of the surface thereof coated with an abrasion resistant layer in contact with a basic molding material made of a methacrylic partially cross-linked gel thereby allowing the methacrylic partially cross-linked gel consequently produced to possess the property of retaining the polymerization in a stopped state, and simultaneously polymerizing said two materials held in mutual contact under a condition capable of imparting a desired shape to the combined materials.
    Type: Grant
    Filed: November 17, 1988
    Date of Patent: April 9, 1991
    Assignee: Kyowa Gas Chemical Industry Co., Ltd.
    Inventors: Shigeo Matsumaru, Akihiro Mochizuki, Syuzi Isoi
  • Method of making a molded article of methacrylic resin
    Patent number: 4830803
    Abstract: A molded article of methacrylic resin formed of a cross-linked polymer having at least part of the surface thereof coated with an abrasion resistant layer in contact with a basic molding material made of a methacrylic partially cross-linked gel thereby allowing the methacrylic partially cross-linked gel consequently produced to possess the property of retaining the polymerization in a stopped state, and simultaneously polymerizing said two materials held in mutual contact under a condition capable of imparting a desired shape to the combined materials.
    Type: Grant
    Filed: January 20, 1987
    Date of Patent: May 16, 1989
    Assignee: Kyowa Gas Chemical Industry Co., Ltd.
    Inventors: Shigeo Matsumaru, Akihiro Mochizuki, Syuzi Isoi